<html>
<head>
<meta content="text/html;charset=utf-8" http-equiv="Content-Type">
<meta content="utf-8" http-equiv="encoding">
<title>Xcos</title>
<!-- Loads and initializes the library -->
<script type="text/javascript" src="jquery/jquery-1.8.2.js"></script>
<script type="text/javascript" src="mxClient.min.js"></script>
<script type="text/javascript" src="jquery/farbtastic.js"></script>
<link rel="stylesheet" href="jquery/farbtastic.css" type="text/css" />
<link rel="stylesheet" href="jquery/jquery-ui.css">
<script type="text/javascript" src="details.js"></script>
<script type="text/javascript" src="setup.js"></script>
<script type="text/javascript" src="combined.js"></script>
<script type="text/javascript">
// Stores edgeState for every recently created edge in updateFixedTerminalPoint() function
var edgeState = {};
function main(container, outline, toolbar, sidebar, status) {
// Checks if the browser is supported
if (!mxClient.isBrowserSupported()) {
// Displays an error message if the browser is not supported.
mxUtils.error('Browser is not supported!', 200, false);
} else {
// If connect preview is not moved away then getCellAt is used to detect the cell under
// the mouse if the mouse is over the preview shape in IE (no event transparency), ie.
// the built-in hit-detection of the HTML document will not be used in this case.
mxConnectionHandler.prototype.movePreviewAway = false;
mxConnectionHandler.prototype.waypointsEnabled = true;
mxGraph.prototype.resetEdgesOnConnect = false;
// Enables guides
mxGraphHandler.prototype.guidesEnabled = true;
// Alt disables guides
mxGuide.prototype.isEnabledForEvent = function(evt) {
return !mxEvent.isAltDown(evt);
};
// Enables snapping waypoints to terminals
mxEdgeHandler.prototype.snapToTerminals = true;
// Assigns some global constants for general behaviour, eg. minimum
// size (in pixels) of the active region for triggering creation of
// new connections, the portion (100%) of the cell area to be used
// for triggering new connections, as well as some fading options for
// windows and the rubberband selection.
mxConstants.MIN_HOTSPOT_SIZE = 16;
mxConstants.DEFAULT_HOTSPOT = 1;
// Workaround for Internet Explorer ignoring certain CSS directives
if (mxClient.IS_QUIRKS) {
document.body.style.overflow = 'hidden';
new mxDivResizer(container);
new mxDivResizer(outline);
new mxDivResizer(toolbar);
new mxDivResizer(sidebar);
new mxDivResizer(status);
}
// Creates a wrapper editor with a graph inside the given container.
// The editor is used to create certain functionality for the
// graph, such as the rubberband selection, but most parts
// of the UI are custom in this example.
var editor = new mxEditor();
var graph = editor.graph;
var model = graph.getModel();
/*
Maverick
The following variable 'diagRoot' serves as the root element for the entire
diagram.
*/
var diagRoot = new XcosDiagram(null, model, null);
graph.setPanning(true);
graph.setConnectable(true);
graph.setConnectableEdges(true);
graph.setDisconnectOnMove(false);
graph.foldingEnabled = false;
// Disable highlight of cells when dragging from toolbar
graph.setDropEnabled(false);
// Centers the port icon on the target port
graph.connectionHandler.targetConnectImage = true;
// Does not allow dangling edges
graph.setAllowDanglingEdges(false);
// Sets the graph container and configures the editor
editor.setGraphContainer(container);
// Disables built-in context menu
mxEvent.disableContextMenu(document.body);
// Configures automatic expand on mouseover
graph.panningHandler.autoExpand = true;
/*
@jiteshjha, @pooja
Overrides mxGraphModel.getStyle to return a specific style
for edges that reflects their target terminal.
*/
graph.model.getStyle = function(cell) {
var style = null;
if (cell != null) {
// Get style for the recently created mxCell.
style = mxGraphModel.prototype.getStyle.apply(this, arguments);
// If the mxCell is an edge and if it's a fully formed edge
if (this.isEdge(cell) && cell.source != null) {
var target = this.getTerminal(cell, false);
if (target != null) {
/* cell.name attribute defines the link name
so that it can be parsed in the XML during
XSLT transformation.
*/
var cellSource = cell.source;
while (cellSource.isEdge() == true) {
cellSource = cellSource.source;
}
if (cellSource.value == "ExplicitOutputPort" || cellSource.value == "ExplicitInputPort") {
if (style == null) {
style = 'ExplicitLink' + ';';
}
cell.name = "ExplicitLink";
} else if (cellSource.value == "ImplicitOutputPort" || cellSource.value == "ImplicitInputPort") {
if (style == null) {
style = 'ImplicitLink' + ';';
}
cell.name = "ImplicitLink";
} else if (cellSource.value == "CommandPort" || cellSource.value == "ControlPort") {
if (style == null) {
style = 'CommandControlLink' + ';';
}
cell.name = "CommandControlLink";
}
}
}
}
return style;
};
// Creates a right-click menu
graph.panningHandler.factoryMethod = function(menu, cell, evt) {
if (cell != null) {
if (cell.value == "ExplicitInputPort" || cell.value == "ExplicitOutputPort" || cell.value == "CommandPort" || cell.value == "ControlPort") {
} else if (cell.isEdge() == true) // @ToDo: Pooja: Different edge value cases.
{
menu.addItem('Delete', 'images/delete2.png', function() {
editor.execute('deleteBlock');
});
var edgeformat = menu.addItem('Format', null, null);
menu.addItem('Border Color', 'images/draw-brush.png', function() {
showColorWheel(graph, cell, 'edgeStrokeColor');
}, edgeformat);
menu.addItem('Text and Text Font', 'images/edit.png', function() {
showTextEditWindow(graph, cell);
}, edgeformat);
menu.addItem('Text Color', 'images/edit.png', function() {
showColorWheel(graph, cell, 'edgeTextColor');
}, edgeformat);
} else {
menu.addItem('Block Parameters...', 'images/gear.gif', function() {
showPropertiesWindow(graph, cell);
});
menu.addItem('Cut', 'images/cut.png', function() {
editor.execute('cut');
});
menu.addItem('Copy', 'images/copy.png', function() {
editor.execute('copy');
});
menu.addItem('Delete', 'images/delete2.png', function() {
editor.execute('delete');
});
menu.addItem('Selection to superblock', 'images/superblock.png', function() {
// @ToDo: Pooja: Functionality to be put.
});
var format = menu.addItem('Format', null, null);
menu.addItem('Rotate', 'images/rotate.png', function() {
editor.execute('rotateCustom');
}, format);
menu.addItem('Border Color', 'images/draw-brush.png', function() {
showColorWheel(graph, cell, 'vertexStrokeColor');
}, format);
menu.addItem('Fill Color', 'images/edit.png', function() {
showColorWheel(graph, cell, 'vertexFillColor');
}, format);
menu.addItem('Details', null, function() {
// @ToDo: Pooja: Functionality to be put.
});
}
} else {
menu.addItem('Undo', 'images/undo.png', function() {
editor.execute('undo');
});
menu.addItem('Redo', 'images/redo.png', function() {
editor.execute('redo');
});
menu.addItem('Paste', 'images/paste.png', function() {
editor.execute('paste');
});
menu.addItem('Select all', 'images/selectall.png', function() {
editor.execute('selectAll');
});
/*
Maverick
Added one more parameter to the setContext function.
*/
menu.addItem('Set Context', null, function() {
showSetContext(graph, diagRoot);
});
/*
Maverick
Added one more parameter to the setContext function.
*/
menu.addItem('Setup', 'images/setup.png', function() {
showSetupWindow(graph, diagRoot);
});
menu.addItem('Zoom In', 'images/zoom_in.png', function() {
editor.execute('zoomIn');
});
menu.addItem('Zoom Out', 'images/zoom_out.png', function() {
editor.execute('zoomOut');
});
menu.addItem('Diagram background...', null, function() {
showColorWheel(graph, cell, 'bgColor');
});
}
};
//var config = mxUtils.load('config/editor-commons.xml').getDocumentElement();
var config = mxUtils.load('config/keyhandler-commons.xml').getDocumentElement();
editor.configure(config);
graph.isCellSelectable = function(cell)
{
if(cell.isConnectable() == true && cell.isEdge() == false) {
return false;
}
return true;
};
graph.resizeCell = function(cell, bounds, recurse) {
if(cell.getStyle() == 'Split') {
return null;
}
else {
return mxGraph.prototype.resizeCell.apply(this, arguments);
}
}
/*
For a new edge on the graph, check if that edge satisfies one of the port constraints.
Possible edge cases with source & target :
1) Source : Port, Target : Port
2) Source : Edge, Target : Port
3) Source : Port, Target : Edge
4) Source : Edge, Target : Edge
*/
graph.addEdge = function(edge, parent, source, target, index) {
if(source.isEdge() == true && target.isEdge() == true) {
alert("Illegal connection! - Link to link connection");
return null;
}
// If the edge is legit, return the edge.
if(source.isEdge() == true) {
graph.getModel().beginUpdate();
try
{
var edgeSource = source;
// While the source of the edge is an edge, find the final port
while (edgeSource.isEdge() == true) {
edgeSource = edgeSource.source;
}
// If the edge violates any of the port constraints, don't create the edge
if(edgeSource.value == "ExplicitOutputPort" && target.value != "ExplicitInputPort") {
alert("Explicit data output port must be connected to explicit data input port");
return null;
}
else if(edgeSource.value == "ExplicitInputPort" && target.value != "ExplicitOutputPort") {
alert("Explicit data input port must be connected to explicit data output port");
return null;
}
else if(edgeSource.value == "ImplicitOutputPort" && target.value != "ImplicitInputPort") {
alert("Implicit data output port must be connected to implicit data input port");
return null;
}
else if(edgeSource.value == "ImplicitInputPort" && target.value != "ImplicitOutputPort") {
alert("Implicit data input port must be connected to implicit data output port");
return null;
}
else if(edgeSource.value == "CommandPort" && target.value != "ControlPort") {
alert("Command port must be connected to control port");
return null;
}
else if(edgeSource.value == "ControlPort" && target.value != "CommandPort") {
alert("Control port must be connected to command port");
return null;
}
// Create the splitBlock
// (x-5, y-5.5) is the offset to correct the position of split-block
var cell = graph.insertVertex(graph.getDefaultParent(), null, '', source.sourcePoint.x-5, source.sourcePoint.y-5.5, 10, 10,'Split', false);
// Get the source state
var sourceState = graph.view.getState(source);
var waypoints = source.waypoints;
var waypoints1 = [];
// Add the absolute points for source edge to waypoints variable
for(i in sourceState.absolutePoints) {
waypoints1.push(sourceState.absolutePoints[i]);
}
// Remove source and target points
waypoints1.shift();
waypoints1.pop();
// Store the waypoints to the source edge
waypoints = waypoints1;
// Find the index in the waypoints nearest to the split-block
var seg = mxUtils.findNearestSegment(sourceState, source.sourcePoint.x, source.sourcePoint.y);
var sourceTarget = source.target;
// Set the type of ports for split-block according to type of source edge
if (edgeSource.value == 'ExplicitOutputPort') {
createPorts(graph, cell, ['E'], [], ['E'], ['E']);
}
else if (edgeSource.value == 'ImplicitOutputPort') {
createPorts(graph, cell, ['I'], [], ['I', 'I'], []);
}
else {
createPorts(graph, cell, ['CONTROL'], [], ['COMMAND', 'COMMAND'], []);
}
// Source edge is replaced with first edge and futureSource edges
cell.name = 'SPLIT_f';
// Hide all the ports of a split-block
cell.getChildAt(0).setVisible(false);
cell.getChildAt(1).setVisible(false);
cell.getChildAt(2).setVisible(false);
// Remove the current source
graph.removeCells([source], true);
/*
* If there are any waypoints, divide them for the two newly created edges.
* The two newly created edges are inherited from the source edge
*/
if(waypoints != null) {
var waypoints1 = [];
for(var i = 0; i < seg; i++) {
waypoints1.push(waypoints[i]);
}
var waypoints2 = [];
for(var i = seg; i < waypoints.length; i++) {
waypoints2.push(waypoints[i]);
}
}
// Find the waypoints of the current edge, and set the waypoints for the new thirdEdge
var waypoints3 = edgeState.absolutePoints;
if(waypoints3 != null && waypoints3.length > 1) {
// Remove last absolute point
waypoints3.pop();
}
// Create three edges associated with the split-block
var firstEdge = createEdgeObject(graph, cell.getChildAt(1), sourceTarget, waypoints2);
var thirdEdge = createEdgeObject(graph, cell.getChildAt(2), target, waypoints3);
var futureSource = createEdgeObject(graph, source.source, cell.getChildAt(0), waypoints1);
// Set the newly made futureSource as the source
source = futureSource;
// Connectable for the ports and the split-block should be false
cell.getChildAt(0).setConnectable(false);
cell.getChildAt(1).setConnectable(false);
cell.getChildAt(2).setConnectable(false);
cell.setConnectable(false);
// Get the parent of the splitBlock
var parent = graph.model.getParent(cell);
graph.model.beginUpdate();
try {
/*
* Adds the split-block to the parent at the last index
* Enables split-block to appear over it's associated edges
*/
graph.model.add(parent, cell, graph.model.getChildCount(parent) - 1);
}
finally {
graph.model.endUpdate();
}
graph.refresh();
}
finally
{
graph.getModel().endUpdate();
}
/*
* Remove the current edge, as we have already created
* thirdEdge as it's replacement, to enable waypoints.
*/
return null;
}
// If the edge is legit, return the edge.
if(target.isEdge() == true) {
graph.getModel().beginUpdate();
try
{
var edgeSource = target;
// While the source of the edge is an edge, find the final port
while (edgeSource.isEdge() == true) {
edgeSource = edgeSource.source;
}
// If the edge violates any of the port constraints, don't create the edge
if(source.value == "ExplicitOutputPort" && edgeSource.value != "ExplicitInputPort") {
alert("Explicit data output port must be connected to explicit data input port");
return null;
}
else if(source.value == "ExplicitInputPort" && edgeSource.value != "ExplicitOutputPort") {
alert("Explicit data input port must be connected to explicit data output port");
return null;
}
else if(source.value == "ImplicitOutputPort" && edgeSource.value != "ImplicitInputPort") {
alert("Implicit data output port must be connected to implicit data input port");
return null;
}
else if(source.value == "ImplicitInputPort" && edgeSource.value != "ImplicitOutputPort") {
alert("Implicit data input port must be connected to implicit data output port");
return null;
}
else if(source.value == "CommandPort" && edgeSource.value != "ControlPort") {
alert("Command port must be connected to control port");
return null;
}
else if(source.value == "ControlPort" && edgeSource.value != "CommandPort") {
alert("Control port must be connected to command port");
return null;
}
// Create the splitBlock
// (x-5, y-5.5) is the offset to correct the position of split-block
var cell = graph.insertVertex(graph.getDefaultParent(), null, '', target.sourcePoint.x-5, target.sourcePoint.y-5, 10, 10,'Split', false);
// Get the source state
var sourceState = graph.view.getState(target);
var waypoints = target.waypoints;
var waypoints1 = [];
// Add the absolute points for source edge to waypoints variable
for(i in sourceState.absolutePoints) {
waypoints1.push(sourceState.absolutePoints[i]);
}
waypoints1.shift();
waypoints1.pop();
waypoints = waypoints1;
// Find the index in the waypoints nearest to the split-block
var seg = mxUtils.findNearestSegment(sourceState, target.sourcePoint.x, target.sourcePoint.y);
var sourceTarget = target.target;
if (edgeSource.value == 'ExplicitOutputPort') {
createPorts(graph, cell, ['E'], [], ['E'], ['E']);
}
else if (edgeSource.value == 'ImplicitOutputPort') {
createPorts(graph, cell, ['I'], [], ['I', 'I'], []);
}
else {
createPorts(graph, cell, ['CONTROL'], [], ['COMMAND', 'COMMAND'], []);
}
// Source edge is replaced with first edge and futureSource edges
cell.name = 'SPLIT_f';
// Hide all the ports of a split-block
cell.getChildAt(0).setVisible(false);
cell.getChildAt(1).setVisible(false);
cell.getChildAt(2).setVisible(false);
// Remove the current source
graph.removeCells([target], true);
/*
* If there are any waypoints, divide them for the two newly created edges.
* The two newly created edges are inherited from the source edge
*/
if(waypoints != null) {
var waypoints1 = [];
for(var i = 0; i < seg; i++) {
waypoints1.push(waypoints[i]);
}
var waypoints2 = [];
for(var i = seg; i < waypoints.length; i++) {
waypoints2.push(waypoints[i]);
}
}
// Find the waypoints of the current edge, and set the waypoints for the new thirdEdge
var waypoints3 = edgeState.absolutePoints;
if(waypoints3 != null && waypoints3.length > 1) {
waypoints3.pop();
}
waypoints3.reverse();
// Create three edges associated with the split-block
var firstEdge = createEdgeObject(graph, cell.getChildAt(1), sourceTarget, waypoints2);
var thirdEdge = createEdgeObject(graph, cell.getChildAt(2), source, waypoints3);
var futureSource = createEdgeObject(graph, target.source, cell.getChildAt(0), waypoints1);
// Set the newly made futureSource as the source
target = futureSource;
// Connectable for the ports and the split-block should be false
cell.getChildAt(0).setConnectable(false);
cell.getChildAt(1).setConnectable(false);
cell.getChildAt(2).setConnectable(false);
cell.setConnectable(false);
// Get the parent of the splitBlock
var parent = graph.model.getParent(cell);
graph.model.beginUpdate();
try {
/*
* Adds the split-block to the parent at the last index
* Enables split-block to appear over it's associated edges
*/
graph.model.add(parent, cell, graph.model.getChildCount(parent) - 1);
}
finally {
graph.model.endUpdate();
}
graph.refresh();
}
finally
{
graph.getModel().endUpdate();
}
/*
* Remove the current edge, as we have already created
* thirdEdge as it's replacement, to enable waypoints.
*/
return null;
}
// If the newly created edge is related to a splitBlock, make the edge.
if(source.parent.name == 'SPLIT_f' || target.parent.name == 'SPLIT_f') {
return mxGraph.prototype.addEdge.apply(this, arguments);
}
var edgeSource = source;
// If the source of the edge is also an edge, find the port.
while (edgeSource.isEdge() == true) {
edgeSource = edgeSource.source;
}
// For port-to-port edges with port constraint violations, don't create that edge
if(source.getEdgeCount() > 0 || target.getEdgeCount() > 0) {
alert("Port is already connected, please select an please select an unconnected port or a valid link");
}
else if(edgeSource.value == "ExplicitOutputPort" && target.value != "ExplicitInputPort") {
alert("Explicit data output port must be connected to explicit data input port");
}
else if(edgeSource.value == "ExplicitInputPort" && target.value != "ExplicitOutputPort") {
alert("Explicit data input port must be connected to explicit data output port");
}
else if(edgeSource.value == "ImplicitOutputPort" && target.value != "ImplicitInputPort") {
alert("Implicit data output port must be connected to implicit data input port");
}
else if(edgeSource.value == "ImplicitInputPort" && target.value != "ImplicitOutputPort") {
alert("Implicit data input port must be connected to implicit data output port");
}
else if(edgeSource.value == "CommandPort" && target.value != "ControlPort") {
alert("Command port must be connected to control port");
}
else if(edgeSource.value == "ControlPort" && target.value != "CommandPort") {
alert("Control port must be connected to command port");
}
else {
/*
* For reverse edges, (that is, edges from input port to outport) :
* If the source is input port, and target is an output port
* NOTE: Manipulation of source object and target object
* with respect to current edge is not possible,
* as mxGraph.prototype.addEdge(@parameters) function is
* called just before the creation of the edge.
* Hence, the following code creates a identical new edge
* to replace the current edge.
*/
if((source.value.indexOf('Input') != -1 && target.value.indexOf('Output') != -1)
|| (target.value == 'CommandPort' && source.value == 'ControlPort')) {
// Get points for the current edge from the global edgeState object
var waypoints = edgeState.absolutePoints;
// Reverse waypoint array
waypoints.reverse();
// Create a new edge
var newEdge = createEdgeObject(graph, target, source, waypoints);
// Return null for the current edge,
/*
* Return null for the current edge,
* since we have created a new edge above to replace it
*/
return null;
}
// If the edge is legit, return the edge.
return mxGraph.prototype.addEdge.apply(this, arguments);
}
return null;
}
// Shows a "modal" window when double clicking a vertex.
graph.dblClick = function(evt, cell) {
// Do not fire a DOUBLE_CLICK event here as mxEditor will
// consume the event and start the in-place editor.
if (this.isEnabled() &&
!mxEvent.isConsumed(evt) &&
cell != null &&
this.isCellEditable(cell)) {
if (!this.isHtmlLabel(cell)) {
this.startEditingAtCell(cell);
} else {
/*
var content = document.createElement('div');
content.innerHTML = this.convertValueToString(cell);
showModalWindow(this, 'Properties', content, 400, 300);
*/
if (cell.isVertex() == true) {
showPropertiesWindow(graph, cell);
}
}
}
// Disables any default behaviour for the double click
mxEvent.consume(evt);
};
// Returns a shorter label if the cell is collapsed and no
// label for expanded groups
graph.getLabel = function(cell) {
var tmp = mxGraph.prototype.getLabel.apply(this, arguments); // "supercall"
if (this.isCellLocked(cell)) {
// Returns an empty label but makes sure an HTML
// element is created for the label (for event
// processing wrt the parent label)
return '';
} else if (this.isCellCollapsed(cell)) {
var index = tmp.indexOf('</h1>');
if (index > 0) {
tmp = tmp.substring(0, index + 5);
}
}
return tmp;
}
// Disables HTML labels for swimlanes to avoid conflict
// for the event processing on the child cells. HTML
// labels consume events before underlying cells get the
// chance to process those events.
//
// NOTE: Use of HTML labels is only recommended if the specific
// features of such labels are required, such as special label
// styles or interactive form fields. Otherwise non-HTML labels
// should be used by not overidding the following function.
// See also: configureStylesheet.
graph.isHtmlLabel = function(cell) {
return !this.isSwimlane(cell);
}
graph.getTooltipForCell = function(cell) {
var text = null;
if (cell.isVertex() == true && cell.isConnectable() == false) {
var name = cell.value.getAttribute('blockElementName');
var cellvar = cell.blockInstance.instance.details();
// If cell is a block or ports
if (cell.source == null && cell.target == null) {
if (cell.connectable) { // Cell is a Port
// @ToDo: Port Number
text = 'Style : ' + cell.style + "\n";
} else { //Cell is a block
// @ToDo: Block Name, Simulation, Flip, Mirror
// @ToDo: Number of Input, Output, Control, Command Ports
var inputPort, outputPort, controlPort, commandPort;
if (cellvar.model.in.height == null) {
inputPort = 0;
}
else {
inputPort = cellvar.model.in.height;
}
if (cellvar.model.out.height == null) {
outputPort = 0;
}
else {
outputPort = cellvar.model.out.height;
}
if (cellvar.model.evtin.height == null) {
controlPort = 0;
}
else {
controlPort = cellvar.model.evtin.height;
}
if (cellvar.model.evtout.height == null) {
commandPort = 0;
}
else {
commandPort = cellvar.model.evtout.height;
}
var geometry = cell.getGeometry();
text = 'Block Name : ' + cell.value.getAttribute('blockElementName') + "\n" +
'Simulation : ' + cell.value.getAttribute('simulationFunctionName') + "\n" +
'UID : ' + cell.id + "\n" +
'Style : ' + cell.style + "\n" +
'Flip : ' + getData(cellvar.graphics.flip)[0] + "\n" +
'Mirror : false' + "\n" +
'Input Ports : ' + inputPort + "\n" +
'Output Ports : ' + outputPort + "\n" +
'Control Ports : ' + controlPort + "\n" +
'Command Ports : ' + commandPort + "\n" +
'x : ' + geometry.x + "\n" +
'y : ' + geometry.y + "\n" +
'w : ' + geometry.width + "\n" +
'h : ' + geometry.height + "\n";
}
}
}
return text;
};
// Create XML tags!
// @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
// https://jgraph.github.io/mxgraph/docs/js-api/files/model/mxCell-js.html
// Uncomment this block to see XML tags work
graph.convertValueToString = function(cell)
{
if (mxUtils.isNode(cell.value))
{
var stylesheet = graph.getStylesheet();
var style = stylesheet.styles[cell.value.getAttribute('style')];
var displayedLabel = style['displayedLabel'];
if(displayedLabel != null) {
var displayParameter = cell.blockInstance.instance.displayParameter;
for(i in displayParameter) {
displayedLabel = displayedLabel.replace("%s", displayParameter[i].toString());
}
return displayedLabel;
}
else {
return cell.getAttribute('label', '');
}
}
};
var cellLabelChanged = graph.cellLabelChanged;
graph.cellLabelChanged = function(cell, newValue, autoSize) {
if (mxUtils.isNode(cell.value)) {
// Clones the value for correct undo/redo
var elt = cell.value.cloneNode(true);
elt.setAttribute('label', newValue);
newValue = elt;
}
cellLabelChanged.apply(this, arguments);
};
// Enables new connections
graph.setConnectable(true);
// Adds all required styles to the graph (see below)
configureStylesheet(graph);
// Adds sidebar icons.
addIcons(graph, sidebar);
// Creates a new DIV that is used as a toolbar and adds
// toolbar buttons.
var spacer = document.createElement('div');
spacer.style.display = 'inline';
spacer.style.padding = '8px';
// Defines a new export action
editor.addAction('toggle', function(editor, cell) {
var toggle = document.getElementById("toggleBlocks");
var button = document.getElementById("toggle");
toggle.click();
button.innerHTML = '';
if (toggle.innerHTML == 'Expand All') {
createButtonImage(button, 'images/navigate_plus.png');
} else if (toggle.innerHTML == 'Collapse All') {
createButtonImage(button, 'images/navigate_minus.png');
}
var titleName = document.createTextNode(toggle.innerHTML);
button.appendChild(titleName);
});
// @jiteshjha, @pooja
/*
On selection and deletion of any block, 'deleteBlock'
function deletes all the associated edges with that block.
Used Preorder traversal for edges.
*/
editor.addAction('deleteBlock', function(editor, cell) {
graph.getModel().beginUpdate();
try {
// getEdgeId(@edgeObject) finds all the associated edges and split-block, and deletes them
function getEdgeId(edgeObject) {
var cellStack = [];
if(edgeObject != null && edgeObject.isEdge() == true) {
cellStack.push(edgeObject);
while(cellStack.length != 0) {
var tempEdgeObject = cellStack.pop();
if (tempEdgeObject.edge == true && (cells.indexOf(tempEdgeObject) == -1)) {
cells.push(tempEdgeObject);
}
// If the edge is associated with a split-block(source is a split-block)
if(tempEdgeObject.source.parent.name == "SPLIT_f") {
if(tempEdgeObject.source == tempEdgeObject.source.parent.getChildAt(1)) {
var sourceEdge = tempEdgeObject.source.parent.getChildAt(0).getEdgeAt(0);
var target = tempEdgeObject.source.parent.getChildAt(2).getEdgeAt(0).target;
// If the state of the edge is not null
if(graph.view.getState(sourceEdge) != null) {
// Find waypoints for the first edge related to split-block
var waypoints1 = graph.view.getState(sourceEdge).absolutePoints;
// Find the waypoints for the second edge related to split-block
var waypoints2 = graph.view.getState(tempEdgeObject.source.parent.getChildAt(2).getEdgeAt(0)).absolutePoints;
waypoints2.shift();
for(i in waypoints2) {
waypoints1.push(waypoints2[i]);
}
var geometry = graph.getModel().getGeometry(sourceEdge);
var cloneGeometry = geometry.clone();
cloneGeometry.points = waypoints1;
graph.getModel().setGeometry(sourceEdge, cloneGeometry);
graph.refresh();
// Shift the target for the first edge related to splitBlock
graph.getModel().setTerminal(sourceEdge, target, false);
}
cells.push(tempEdgeObject.source.parent);
}
else {
var sourceEdge = tempEdgeObject.source.parent.getChildAt(0).getEdgeAt(0);
var target = tempEdgeObject.source.parent.getChildAt(1).getEdgeAt(0).target;
// If the state of the edge is not null
if(graph.view.getState(sourceEdge) != null) {
// Find waypoints for the first edge related to split-block
var waypoints1 = graph.view.getState(sourceEdge).absolutePoints;
// Find the waypoints for the second edge related to split-block
var waypoints2 = graph.view.getState(tempEdgeObject.source.parent.getChildAt(1).getEdgeAt(0)).absolutePoints;
waypoints1.pop();
waypoints2.shift();
for(i in waypoints2) {
waypoints1.push(waypoints2[i]);
}
var geometry = graph.getModel().getGeometry(sourceEdge);
var cloneGeometry = geometry.clone();
cloneGeometry.points = waypoints1;
graph.getModel().setGeometry(sourceEdge, cloneGeometry);
graph.refresh();
// Shift the target for the first edge related to splitBlock
graph.getModel().setTerminal(sourceEdge, target, false);
}
cells.push(tempEdgeObject.source.parent);
}
}
// If the edge is associated with a split-block(target is a split-block)
if(tempEdgeObject.target.parent.name == "SPLIT_f") {
if(cells.indexOf(tempEdgeObject.target.parent) == -1) {
cells.push(tempEdgeObject.target.parent);
}
cellStack.push(tempEdgeObject.target.parent.getChildAt(1).getEdgeAt(0));
cellStack.push(tempEdgeObject.target.parent.getChildAt(2).getEdgeAt(0));
}
}
}
}
var cells = [];
// Get all selected cells
var selectionCells = graph.getSelectionCells();
// For each cell in the selection
for (var k = 0; k < selectionCells.length; k++) {
// If the cell is an edge, directly call getEdgeId(@parameter) for deletion
if(selectionCells[k].isEdge() == true) {
getEdgeId(selectionCells[k]);
}
// If the cell is a vertex, select the cell
else {
var portCount = selectionCells[k].getChildCount();
cells.push(selectionCells[k]);
for (var i = 0; i < portCount; i++) {
var edgeCount = selectionCells[k].getChildAt(i).getEdgeCount();
if (edgeCount != 0) {
/*
* For every edge associated with the current selected cell,
* call the getEdgeId(@parameter), parameter is an edgeObject for deletion
*/
for (var j = 0; j < edgeCount; j++) {
var edgeObject = selectionCells[k].getChildAt(i).getEdgeAt(j);
getEdgeId(edgeObject);
}
}
}
}
}
graph.removeCells(cells, true);
}
finally {
graph.getModel().endUpdate();
}
});
addToolbarButton(editor, toolbar, 'toggle', 'Expand All', 'images/navigate_plus.png');
toolbar.appendChild(spacer.cloneNode(true));
addToolbarButton(editor, toolbar, 'cut', 'Cut', 'images/cut.png');
addToolbarButton(editor, toolbar, 'copy', 'Copy', 'images/copy.png');
addToolbarButton(editor, toolbar, 'paste', 'Paste', 'images/paste.png');
toolbar.appendChild(spacer.cloneNode(true));
addToolbarButton(editor, toolbar, 'deleteBlock', 'Delete', 'images/delete2.png');
addToolbarButton(editor, toolbar, 'undo', '', 'images/undo.png');
addToolbarButton(editor, toolbar, 'redo', '', 'images/redo.png');
toolbar.appendChild(spacer.cloneNode(true));
addToolbarButton(editor, toolbar, 'show', 'Show', 'images/camera.png');
addToolbarButton(editor, toolbar, 'print', 'Print', 'images/printer.png');
toolbar.appendChild(spacer.cloneNode(true));
/*
Maverick
This method is used for loading the stylesheet from the file.
Reference: http://www.w3schools.com/xsl/xsl_client.asp
*/
function loadXMLDoc(filename) {
if (window.ActiveXObject) {
xhttp = new ActiveXObject("Msxml2.XMLHTTP");
} else {
xhttp = new XMLHttpRequest();
}
xhttp.open("GET", filename, false);
try {
xhttp.responseType = "msxml-document"
} catch (err) {}
xhttp.send("");
return xhttp.responseXML;
}
/*
Maverick
The Export buttons in toolbar call this function with varying
arguments.
The third argument is used to deciFde which button is being
pressed.
exportXML : 2 arguments
exportXcos: 3 arguments
*/
function displayXMLorXcos() {
var textarea = document.createElement('textarea');
textarea.style.width = '400px';
textarea.style.height = '400px';
var enc = new mxCodec(mxUtils.createXmlDocument());
var node = enc.encode(diagRoot);
var str = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" + mxUtils.getPrettyXml(node);
textarea.value = str;
if (arguments[2] == null) {
showModalWindow(graph, 'XML', textarea, 410, 440);
} else {
return mxUtils.getPrettyXml(node);
}
}
function getXcosDiagram(editor, cell) {
//Mind the 3 parameters.
var xmlFromExportXML = displayXMLorXcos(editor, cell, true);
if (xmlFromExportXML === null)
alert('First create the XML file.');
else {
var xml = mxUtils.parseXml(xmlFromExportXML);
var xsl = loadXMLDoc("finalmodsheet.xsl");
xsltProcessor = new XSLTProcessor();
xsltProcessor.importStylesheet(xsl);
resultDocument = xsltProcessor.transformToDocument(xml);
/*
Maverick
Using resultDocument.documentElement to remove an additional tag "<#document>" created by the XSLTProcessor.
*/
var str = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n\n" + mxUtils.getPrettyXml(resultDocument.documentElement);
str = str.replace(/\n\n/g, "\n");
return str;
}
}
// Defines a new export action
editor.addAction('exportXML', function (editor, cell) {
//Only two parameters passed here.
displayXMLorXcos(editor, cell);
});
/* Maverick
Reference: http://www.w3schools.com/xsl/xsl_client.asp
*/
editor.addAction('exportXcos', function (editor, cell) {
var textarea = document.createElement('textarea');
textarea.style.width = '400px';
textarea.style.height = '400px';
textarea.value = getXcosDiagram(editor, cell);
showModalWindow(graph, 'Xcos', textarea, 410, 440);
});
addToolbarButton(editor, toolbar, 'exportXML', 'Export XML', 'images/export1.png');
addToolbarButton(editor, toolbar, 'exportXcos', 'Export Xcos', 'images/export1.png');
toolbar.appendChild(spacer.cloneNode(true));
addToolbarButton(editor, toolbar, 'simulate', 'Simulate', 'images/ScilabExecute.png');
editor.addAction('simulate', function (editor, cell) {
var diagram = getXcosDiagram(editor, cell);
var blob = new Blob([diagram], {type: 'text/plain'});
var xhr = new XMLHttpRequest();
xhr.open('POST','ScilabServlet', true);
xhr.onload = function() {
// Create basic structure for the form
var content = document.createElement('div');
content.setAttribute("id", "contentProperties");
// Heading of content
var heading = document.createElement('h2');
heading.innerHTML = "Set Scope Parameters";
heading.id = "headingProperties";
content.appendChild(heading);
var paragraph = document.createElement("p");
paragraph.innerHTML = xhr.responseText;
content.appendChild(paragraph);
//var img = document.createElement("img");
//img.src = "data:image/;base64,"+xhr.responseText;
//content.appendChild(img);
var wind = showModalWindow(graph, 'Properties', content, 1000, 1000);
};
xhr.onreadystatechange = function(){
console.log("state: " + xhr.readyState);
};
xhr.upload.onprogress = function() {
console.log("uploading...");
};
xhr.setRequestHeader("Content-Type", "text/plain");
xhr.send(blob);
});
// Adds toolbar buttons into the status bar at the bottom
// of the window.
addToolbarButton(editor, status, 'zoomIn', '', 'images/zoom_in.png', true);
addToolbarButton(editor, status, 'zoomOut', '', 'images/zoom_out.png', true);
addToolbarButton(editor, status, 'actualSize', '', 'images/view_1_1.png', true);
addToolbarButton(editor, status, 'fit', '', 'images/fit_to_size.png', true);
// Creates the outline (navigator, overview) for moving
// around the graph in the top, right corner of the window.
var outln = new mxOutline(graph, outline);
// To show the images in the outline, uncomment the following code
//outln.outline.labelsVisible = true;
//outln.outline.setHtmlLabels(true);
// Fades-out the splash screen after the UI has been loaded.
var splash = document.getElementById('splash');
if (splash != null) {
try {
mxEvent.release(splash);
mxEffects.fadeOut(splash, 100, true);
} catch (e) {
// mxUtils is not available (library not loaded)
splash.parentNode.removeChild(splash);
}
}
// Handles cursor keys - guides.html
var nudge = function(keyCode) {
if (!graph.isSelectionEmpty()) {
var dx = 0;
var dy = 0;
if (keyCode == 37) {
dx = -5;
} else if (keyCode == 38) {
dy = -5;
} else if (keyCode == 39) {
dx = 5;
} else if (keyCode == 40) {
dy = 5;
}
graph.moveCells(graph.getSelectionCells(), dx, dy);
}
};
// Transfer initial focus to graph container for keystroke handling
// graph.container.focus();
// Handles keystroke events
var keyHandler = new mxKeyHandler(graph);
keyHandler.bindKey(37, function() {
nudge(37);
});
keyHandler.bindKey(38, function() {
nudge(38);
});
keyHandler.bindKey(39, function() {
nudge(39);
});
keyHandler.bindKey(40, function() {
nudge(40);
});
// Starts connections on the background in wire-mode
var connectionHandlerIsStartEvent = graph.connectionHandler.isStartEvent;
graph.connectionHandler.isStartEvent = function(me) {
return connectionHandlerIsStartEvent.apply(this, arguments);
};
// Avoids any connections for gestures within tolerance except when in wire-mode
// or when over a port
var connectionHandlerMouseUp = graph.connectionHandler.mouseUp;
graph.connectionHandler.mouseUp = function(sender, me) {
if (this.first != null && this.previous != null) {
var point = mxUtils.convertPoint(this.graph.container, me.getX(), me.getY());
var dx = Math.abs(point.x - this.first.x);
var dy = Math.abs(point.y - this.first.y);
if (dx < this.graph.tolerance && dy < this.graph.tolerance) {
// Selects edges in non-wire mode for single clicks, but starts
// connecting for non-edges regardless of wire-mode
if (this.graph.getModel().isEdge(this.previous.cell)) {
this.reset();
}
return;
}
}
connectionHandlerMouseUp.apply(this, arguments);
};
mxEvent.disableContextMenu(container);
// @Adhitya: Add focus to a mxCell
if (mxClient.IS_NS) {
mxEvent.addListener(graph.container, 'mousedown', function(evt) {
if (!graph.isEditing()) {
graph.container.setAttribute('tabindex', '-1');
graph.container.focus();
}
});
}
}
};
/*
@jiteshjha
styleToObject(style) converts style string into an object.
Format : First item in the object will be 'default: linkStyle',
and the rest of items will be of the style 'mxConstants:value'
*/
function styleToObject(style) {
if(style.indexOf(';') == -1) {
style = style + ';';
}
var defaultStyle = style.substring(0, style.indexOf(';'));
var styleObject = {
"default": defaultStyle
};
var remainingStyle = style.substring(style.indexOf(';') + 1);
/*
remainingStyle is the string without the default style.
For every key:value pair in the string,
extract the key(string before '=') and the value
(string before ';'), set the key:value pair into styleObject
and remainingStyle is set to a string without the key:value pair.
*/
while (remainingStyle.length > 0) {
var indexOfKey = remainingStyle.indexOf('=');
var key = remainingStyle.substring(0, indexOfKey);
remainingStyle = remainingStyle.substring(indexOfKey + 1);
var indexOfValue = remainingStyle.indexOf(';');
var value = remainingStyle.substring(0, indexOfValue);
styleObject[key] = value;
remainingStyle = remainingStyle.substring(indexOfValue + 1);
}
return styleObject;
}
/*
@jiteshjha
styleToObject(style) converts the object back to the style string.
*/
function objectToStyle(object) {
var style = "";
for (var key in object) {
if (key.toString() == "default") {
style += object[key] + ';';
} else {
style += (key + '=' + object[key] + ';');
}
}
return style;
}
/*
Maverick
The following function is used to define a tag for entire diagram.
We can set context, model and setup parameters for the entire diagram
using this function.
*/
function XcosDiagram(context, model, attributes) {
this.context = context;
this.model = model;
this.finalIntegrationTime = attributes;
}
/*
@jiteshjha, @pooja
setContext dialog box
Includes a set context instruction text and input text area.
*/
/*
Maverick
Added 'diagRoot' parameter.
*/
function showSetContext(graph, diagRoot) {
// Create basic structure for the form
var content = document.createElement('div');
content.setAttribute("id", "setContext");
// Add Form
var myform = document.createElement("form");
myform.method = "";
myform.setAttribute("id", "formProperties");
// Add set context string
var descriptionSetContext = document.createElement("div");
descriptionSetContext.innerHTML = "You may enter here scilab instructions to define symbolic parameters used in block definitions using Scilab instructions. These instructions are evaluated once confirmed(i.e. you click on OK and every time the diagram is loaded)";
descriptionSetContext.setAttribute("id", "descriptionSetContext");
myform.appendChild(descriptionSetContext);
// Line break
var linebreak = document.createElement('br');
myform.appendChild(linebreak);
// input text area
var textareaSetContext = document.createElement("textarea");
textareaSetContext.setAttribute("id", "textareaSetContext");
myform.appendChild(textareaSetContext);
// Line break
var linebreak = document.createElement('br');
myform.appendChild(linebreak);
// Line break
var linebreak = document.createElement('br');
myform.appendChild(linebreak);
// Button - Submit
var btn = document.createElement("button");
btn.innerHTML = 'Ok';
btn.type = "button";
btn.name = "submit";
btn.setAttribute("id", "buttonSetContext");
var contextValue = handleContext("get");
var displayValue = "";
/*
Maverick
Modified the for loop because only requirement was to
traverse the array of 'contextValue' and not all the
elements of it.
*/
for (var i = 0; i < contextValue.length; i++) {
displayValue += contextValue[i] + "\n";
}
if (contextValue != "") {
textareaSetContext.value = displayValue;
} else {
textareaSetContext.value = "";
}
// Executes when button 'btn' is clicked
btn.onclick = function() {
var input = document.getElementById('textareaSetContext').value;
/*
Maverick
Code to extract context parameter values from the text area
containing the input.
*/
var contextValues = [];
var i = 0,
temp = "";
for (i = 0; i < input.length; i++) {
if (input[i] == '\n') {
if (temp != "") {
contextValues.push(temp);
}
temp = "";
continue;
}
temp += input[i];
}
if (temp != "") {
contextValues.push(temp);
}
diagRoot.context = contextValues;
diagRoot.context.scilabClass = "String[]";
handleContext("set", contextValues);
wind.destroy();
};
myform.appendChild(btn);
content.appendChild(myform);
var wind = showModalWindow(graph, 'Set Context', content, 450, 350);
};
function showPropertiesWindow(graph, cell) {
var name = cell.getAttribute('blockElementName');
var defaultProperties = cell.blockInstance.instance.get(); //window[name]("get");
/*{
nbr_curves: ["Number of curves", 1],
clrs: ["color (>0) or mark (<0)", [1, 2, 3, 4, 5, 6, 7, 13]],
siz: ["line or mark size", [1, 1, 1, 1, 1, 1, 1, 1]],
win: ["Output window number (-1 for automatic)", -1],
wpos: ["Output window position", [-1, -1]],
wdim: ["Output window sizes", [-1, -1]],
vec_x: ["Xmin and Xmax", [-15, 15]],
vec_y: ["Ymin and Ymax", [-15, 15]],
vec_z: ["Zmin and Zmax", [-15, 15]],
param3ds: ["Alpha and Theta", [50, 280]],
N: ["Buffer size", 2]
};*/
//var defaultProperties=window["CONST_m"]("get");
// Create basic structure for the form
var content = document.createElement('div');
content.setAttribute("id", "contentProperties");
// Heading of content
var heading = document.createElement('h2');
heading.innerHTML = "Set Scope Parameters";
heading.id = "headingProperties"
content.appendChild(heading);
// Add Form
var myform = document.createElement("form");
myform.method = "post";
myform.id = "formProperties";
// Line break
var linebreak = document.createElement('br');
myform.appendChild(linebreak);
for (var key in defaultProperties) {
if (defaultProperties.hasOwnProperty(key)) {
// Input Title
var fieldName = defaultProperties[key];
var namelabel = document.createElement('label');
namelabel.innerHTML = defaultProperties[key][0];
myform.appendChild(namelabel);
// Input
var input = document.createElement("input");
input.name = key;
input.value = defaultProperties[key][1];
input.setAttribute("id", key.toString());
input.setAttribute("class", "fieldInput");
myform.appendChild(input);
// Line break
var linebreak = document.createElement('br');
myform.appendChild(linebreak);
// Line break
var linebreak = document.createElement('br');
myform.appendChild(linebreak);
}
}
// Line break
var linebreak = document.createElement('br');
myform.appendChild(linebreak);
// Button - Submit
var btn = document.createElement("button");
btn.innerHTML = 'Submit';
btn.type = "button";
btn.name = "submit";
// Executes when button 'btn' is clicked
btn.onclick = function() {
var propertiesObject = {
id: cell.id
};
for (var key in defaultProperties) {
if (defaultProperties.hasOwnProperty(key)) {
propertiesObject[key] = document.getElementById(key.toString()).value;
}
}
var details = cell.blockInstance.instance.set(propertiesObject); //window[name]("set",cell.value,propertiesObject);
var enc = new mxCodec();
var node = enc.encode(details);
cell.value = node;
/*
Maverick
We have changed the value of the cell, but the change won't be reflected
unless the graph is refreshed.
*/
graph.refresh();
wind.destroy();
};
myform.appendChild(btn);
// Button - Reset
var btn = document.createElement("button");
btn.innerHTML = 'Reset';
btn.type = "button";
btn.name = "submit";
btn.id = "resetButtonProperties";
btn.onclick = function() {
// Reset
for (var key in defaultProperties) {
if (defaultProperties.hasOwnProperty(key)) {
var element = document.getElementById(key.toString());
element.value = defaultProperties[key][1];
}
}
};
myform.appendChild(btn);
// Base height without fields : 135 px
height = 135 + 26 * defaultProperties.length + 15;
content.appendChild(myform);
var wind = showModalWindow(graph, 'Properties', content, 450, height);
};
/*
* @jiteshjha
* createEdgeObject(@parameters) creates an edge on the graph DOM
* @Parameters :
* source -> source object for the edge
* target -> destination object for the edge
* points -> waypoints to be inserted in the geometry
*/
function createEdgeObject(graph, source, target, points) {
// Start the update on the graph
graph.getModel().beginUpdate();
try {
// Create an edge from the given source object and target object
var edge = graph.insertEdge(graph.getDefaultParent(), null, '', source, target);
// Get geometry of the edge
var geometry = graph.getModel().getGeometry(edge);
/*
* Clone the geometry object
* NOTE: Direct manipulation of the geometry object may not be
* registered as an action for some cases, hence we clone the
* geometry, manipulate it and set the geometry.
*/
var cloneGeometry = geometry.clone();
// Add points in the cloned geometry
cloneGeometry.points = points;
// Set the changed geometry for the edge
graph.getModel().setGeometry(edge, cloneGeometry);
// Refresh to reflect changes made
graph.refresh();
}
finally {
// End the update
graph.getModel().endUpdate();
}
return edge;
}
/*
@jiteshjha
Creates a dialog box related to the edge label properties.
The properties implemented are : edge label, label fontStyle,
label fontSize, label fontStyle.
*/
function showTextEditWindow(graph, cell) {
var fontFamilyList = {
"Arial": 0,
"Dialog": 1,
"Verdana": 2,
"Times New Roman": 3
}
var defaultProperties = {
text: ["Text", "text"],
fontFamily: ["Font Family", fontFamilyList],
fontSize: ["fontSize", 20]
};
var style = graph.getModel().getStyle(cell);
var styleObject = styleToObject(style);
if ('fontSize' in styleObject) {
defaultProperties['fontSize'][1] = styleObject['fontSize'];
}
if (cell.value != "") {
defaultProperties['text'][1] = cell.value;
}
// Create basic structure for the form
var content = document.createElement('div');
content.setAttribute("id", "contentProperties");
// Heading of content
var heading = document.createElement('h2');
heading.innerHTML = "Text and Text Font";
heading.id = "headingProperties"
content.appendChild(heading);
// Add Form
var myform = document.createElement("form");
myform.method = "post";
myform.id = "formProperties";
// Line break
var linebreak = document.createElement('br');
myform.appendChild(linebreak);
for (var key in defaultProperties) {
if (defaultProperties.hasOwnProperty(key)) {
// Input Title
var fieldName = defaultProperties[key];
var namelabel = document.createElement('label');
namelabel.innerHTML = defaultProperties[key][0];
myform.appendChild(namelabel);
if (key == "fontFamily") {
//Here we create a "select" element (a drop down list).
var newList = document.createElement("select");
newList.style.cssText = "float:right";
newList.setAttribute("id", key.toString());
var dropdownItems = defaultProperties[key][1];
for (var item in dropdownItems) {
if (dropdownItems.hasOwnProperty(item)) {
option = document.createElement('option');
option.value = item;
option.text = item;
option.setAttribute("id", item);
newList.appendChild(option);
}
}
var selectedFontFamily = 0;
var styleObject = styleToObject(style);
if ('fontFamily' in styleObject) {
selectedFontFamily = styleObject['fontFamily'];
}
newList.selectedIndex = dropdownItems[selectedFontFamily];
myform.appendChild(newList);
} else {
var input = document.createElement("input");
input.name = key;
input.value = defaultProperties[key][1];
input.setAttribute("id", key.toString());
input.setAttribute("class", "fieldInput");
myform.appendChild(input);
}
// Line break
var linebreak = document.createElement('br');
myform.appendChild(linebreak);
// Line break
var linebreak = document.createElement('br');
myform.appendChild(linebreak);
}
}
// Line break
var linebreak = document.createElement('br');
myform.appendChild(linebreak);
/*
changeFontStyle function sets the style for given fontStyle and toggles with the active class
for "set" type, and toggles with the active class for "get" type.
*/
function changeFontStyle(type, graph, cell, button, bit) {
var style = graph.getModel().getStyle(cell);
var trigger = document.getElementById(button);
var styleObject = styleToObject(style);
var previousValue = 1;
if ('fontStyle' in styleObject) {
previousValue = styleObject['fontStyle'];
// To get a bit mask:
var mask = 1 << bit; // Get the 1st element
if (type == "get") {
// toggle the bit
previousValue ^= mask;
trigger.classList.toggle(button);
styleObject['fontStyle'] = previousValue;
style = objectToStyle(styleObject);
graph.getModel().setStyle(cell, style);
} else if (type == "set") {
if ((previousValue & mask) != 0) {
trigger.classList.toggle(button);
}
}
}
}
// Button - Bold
var btn = document.createElement("button");
btn.innerHTML = 'Bold';
btn.setAttribute("id", "boldButton");
btn.type = "button";
btn.name = "submit";
btn.onclick = function() {
changeFontStyle("get", graph, cell, 'boldButton', 0);
}
myform.appendChild(btn);
// Button - Italics
var btn = document.createElement("button");
btn.innerHTML = 'Italic';
btn.setAttribute("id", "italicButton");
btn.type = "button";
btn.name = "submit";
btn.onclick = function() {
changeFontStyle("get", graph, cell, 'italicButton', 1);
}
myform.appendChild(btn);
// Button - Underline
var btn = document.createElement("button");
btn.innerHTML = 'Underline';
btn.setAttribute("id", "underlineButton");
btn.type = "button";
btn.name = "submit";
btn.onclick = function() {
changeFontStyle("get", graph, cell, 'underlineButton', 2);
}
myform.appendChild(btn);
// Line break
var linebreak = document.createElement('br');
myform.appendChild(linebreak);
// Line break
var linebreak = document.createElement('br');
myform.appendChild(linebreak);
// Button - Submit
var btn = document.createElement("button");
btn.innerHTML = 'Submit';
btn.type = "button";
btn.name = "submit";
// Executes when button 'btn' is clicked
btn.onclick = function() {
var propertiesObject = {
id: cell.id
};
for (var key in defaultProperties) {
if (defaultProperties.hasOwnProperty(key)) {
propertiesObject[key] = document.getElementById(key.toString()).value;
}
}
var style = graph.getModel().getStyle(cell);
var styleObject = styleToObject(style);
styleObject['fontSize'] = propertiesObject['fontSize'];
styleObject['fontFamily'] = propertiesObject['fontFamily'];
style = objectToStyle(styleObject);
graph.getModel().setStyle(cell, style);
graph.getModel().setValue(cell, propertiesObject['text']);
wind.destroy();
};
myform.appendChild(btn);
// Base heights without fields : 135 px
height = 135 + 26 * defaultProperties.length + 15;
content.appendChild(myform);
var wind = showModalWindow(graph, 'Text and Text font', content, 450, height);
/*
@jiteshjha
If any fontStyle(Bold, Italic, Underline) has already been implemented
for the selected edge label, add the respective active class to that button.
*/
if ('fontStyle' in styleObject) {
changeFontStyle("set", graph, cell, 'boldButton', 0);
changeFontStyle("set", graph, cell, 'italicButton', 1);
changeFontStyle("set", graph, cell, 'underlineButton', 2);
}
};
/*
@jiteshjha, @pooja
showSetupWindow dialog box
*/
/*
Maverick
Added 'diagRoot' parameter.
*/
function showSetupWindow(graph, diagRoot) {
/*
Maverick
Added one more element in the list for each key to be used in the <XcosDiagram>
tag.
*/
var defaultProperties = setup("get");
// Create basic structure for the form
var content = document.createElement('div');
content.setAttribute("id", "contentProperties");
// Heading of content
var heading = document.createElement('h2');
heading.innerHTML = "Setup";
heading.id = "headingProperties"
content.appendChild(heading);
// Add Form
var myform = document.createElement("form");
myform.method = "post";
myform.id = "formProperties";
// Line break
var linebreak = document.createElement('br');
myform.appendChild(linebreak);
for (var key in defaultProperties) {
if (defaultProperties.hasOwnProperty(key)) {
// Input Title
var fieldName = defaultProperties[key];
var namelabel = document.createElement('label');
namelabel.innerHTML = defaultProperties[key][0];
myform.appendChild(namelabel);
if (key == "solv_kind") {
//Here we create a "select" element (a drop down list).
var newList = document.createElement("select");
newList.style.cssText = "float:right";
newList.setAttribute("id", key.toString());
var dropdownItems = setup("getArray");
// Iterate over the dropdown options and create html elements
dropdownItems.forEach(function(value, i) {
option = document.createElement('option');
option.value = i.toFixed(1);
option.text = value;
newList.appendChild(option);
});
newList.selectedIndex = defaultProperties[key][2];
myform.appendChild(newList);
} else {
var input = document.createElement("input");
input.name = key;
input.value = defaultProperties[key][2];
input.setAttribute("id", key.toString());
input.setAttribute("class", "fieldInput");
myform.appendChild(input);
}
// Line break
var linebreak = document.createElement('br');
myform.appendChild(linebreak);
// Line break
var linebreak = document.createElement('br');
myform.appendChild(linebreak);
}
}
// Line break
var linebreak = document.createElement('br');
myform.appendChild(linebreak);
// Button - Set Context
var btn = document.createElement("button");
btn.innerHTML = 'Set Context';
btn.style.cssText = 'float: left';
btn.type = "button";
btn.name = "submit";
btn.id = "resetButtonProperties";
btn.onclick = function() {
// show Set Context
/*
Maverick
Added the parameter here as well.
*/
showSetContext(graph, diagRoot);
};
myform.appendChild(btn);
// Line break
var linebreak = document.createElement('br');
myform.appendChild(linebreak);
// Line break
var linebreak = document.createElement('br');
myform.appendChild(linebreak);
// Button - Submit
var btn = document.createElement("button");
btn.innerHTML = 'Submit';
btn.type = "button";
btn.name = "submit";
// Executes when button 'btn' is clicked
btn.onclick = function() {
var propertiesObject = {};
for (var key in defaultProperties) {
if (defaultProperties.hasOwnProperty(key)) {
propertiesObject[defaultProperties[key][1]] = document.getElementById(key.toString()).value;
/*
Maverick
Adding the corresponding attributes to the <XcosDiagram> tag.
*/
diagRoot[defaultProperties[key][1]] = document.getElementById(key.toString()).value;
}
}
setup("set", propertiesObject);
wind.destroy();
};
myform.appendChild(btn);
// Button - Reset
var btn = document.createElement("button");
btn.innerHTML = 'Reset';
btn.type = "button";
btn.name = "submit";
btn.id = "resetButtonProperties";
btn.onclick = function() {
// Reset
for (var key in defaultProperties) {
if (defaultProperties.hasOwnProperty(key)) {
var element = document.getElementById(key.toString());
if (key != "solv_kind") {
element.value = defaultProperties[key][2];
} else {
/*
Maverick
Code modified to reset the drop down list.
*/
element.selectedIndex = 0;
}
}
}
};
myform.appendChild(btn);
// Base height without fields : 135 px
height = 135 + 26 * defaultProperties.length + 15;
content.appendChild(myform);
var wind = showModalWindow(graph, 'Set Parameters', content, 450, height);
};
function showColorWheel(graph, cell, selectProperty) {
// Create basic structure for the form
var content = document.createElement('div');
content.setAttribute("id", "colorProperties");
// Add Form
var myform = document.createElement("form");
myform.method = "";
myform.setAttribute("id", "formProperties");
// Line break
var linebreak = document.createElement('br');
myform.appendChild(linebreak);
// Input Title
var fieldName = 'Color';
var namelabel = document.createElement('label');
namelabel.innerHTML = fieldName;
myform.appendChild(namelabel);
// Input
var input = document.createElement("input");
input.name = fieldName;
input.value = 0;
input.style.cssText = 'float: right;';
input.setAttribute("id", "color");
myform.appendChild(input);
// Line break
var linebreak = document.createElement('br');
myform.appendChild(linebreak);
// Line break
var linebreak = document.createElement('br');
myform.appendChild(linebreak);
// Line break
var linebreak = document.createElement('br');
myform.appendChild(linebreak);
var picker = document.createElement('div');
picker.setAttribute("id", "picker");
myform.appendChild(picker);
// Line break
var linebreak = document.createElement('br');
myform.appendChild(linebreak);
// Button - Submit
var btn = document.createElement("button");
btn.innerHTML = 'Submit';
btn.type = "button";
btn.name = "submit";
btn.style.cssText = 'margin-left: 75px';
// Executes when button 'btn' is clicked
btn.onclick = function() {
var input = document.getElementById('color').value;
var style = graph.getModel().getStyle(cell);
if(style != null) {
var styleObject = styleToObject(style);
}
if (selectProperty == "edgeStrokeColor") {
styleObject['strokeColor'] = input;
} else if (selectProperty == "bgColor") {
graph.container.style.backgroundColor = input;
} else if (selectProperty == "vertexStrokeColor") {
styleObject['strokeColor'] = input;
} else if (selectProperty == "vertexFillColor") {
styleObject['fillColor'] = input;
} else if (selectProperty == "edgeTextColor") {
styleObject['fontColor'] = input;
}
if(style != null) {
style = objectToStyle(styleObject);
graph.getModel().setStyle(cell, style);
}
wind.destroy();
};
myform.appendChild(btn);
content.appendChild(myform);
var wind = showModalWindow(graph, 'Diagram background...', content, 285, 340);
// Invokes the farbtastic functionality
$(document).ready(function() {
$('#picker').farbtastic('#color');
});
};
function createButtonImage(button, image) {
if (image != null) {
var img = document.createElement('img');
img.setAttribute('src', image);
img.style.width = '16px';
img.style.height = '16px';
img.style.verticalAlign = 'middle';
img.style.marginRight = '2px';
button.appendChild(img);
}
}
function addIcons(graph, sidebar) {
var req = mxUtils.load('palettes/palettes.xml');
var root = req.getDocumentElement();
var x = root.getElementsByTagName('node')[0];
var categories = x.getElementsByTagName('node');
for (var i = 0, nodeLength = categories.length; i < nodeLength; i++) {
var categoryName = categories[i].getAttribute('name');
var title = document.createElement('h3');
title.setAttribute('class', 'accordion-header ui-accordion-header ui-helper-reset ui-state-default ui-accordion-icons ui-corner-all');
var span = document.createElement('span');
span.setAttribute('class', 'ui-accordion-header-icon ui-icon ui-icon-triangle-1-e');
var titleName = document.createTextNode(categoryName);
title.appendChild(span);
title.appendChild(titleName);
sidebar.appendChild(title);
var newImages = document.createElement('div');
newImages.setAttribute('class', 'ui-accordion-content ui-helper-reset ui-widget-content ui-corner-bottom');
var blocks = categories[i].getElementsByTagName('block');
for (var j = 0, blockLength = blocks.length; j < blockLength; j++) {
var name = blocks[j].getAttribute('name');
var icon = blocks[j].getElementsByTagName('icon')[0];
var iconPath = icon.getAttribute('path');
addSidebarIcon(graph, newImages, name, iconPath);
}
sidebar.appendChild(newImages);
}
}
function addToolbarButton(editor, toolbar, action, label, image, isTransparent) {
var button = document.createElement('button');
button.style.fontSize = '10';
createButtonImage(button, image);
if (isTransparent) {
button.style.background = 'transparent';
button.style.color = '#FFFFFF';
button.style.border = 'none';
}
mxEvent.addListener(button, 'click', function(evt) {
editor.execute(action);
});
mxUtils.write(button, label);
button.setAttribute('id', action);
toolbar.appendChild(button);
};
function showModalWindow(graph, title, content, width, height) {
var background = document.createElement('div');
background.style.position = 'absolute';
background.style.left = '0px';
background.style.top = '0px';
background.style.right = '0px';
background.style.bottom = '0px';
background.style.background = 'black';
mxUtils.setOpacity(background, 50);
document.body.appendChild(background);
if (mxClient.IS_IE) {
new mxDivResizer(background);
}
var x = Math.max(0, document.body.scrollWidth / 2 - width / 2);
var y = Math.max(10, (document.body.scrollHeight || document.documentElement.scrollHeight) / 2 - height * 2 / 3);
var wind = new mxWindow(title, content, x, y, width, height, false, true);
wind.setClosable(true);
// Fades the background out after after the window has been closed
wind.addListener(mxEvent.DESTROY, function(evt) {
graph.setEnabled(true);
mxEffects.fadeOut(background, 50, true, 10, 30, true);
});
graph.setEnabled(false);
graph.tooltipHandler.hide();
wind.setVisible(true);
return wind;
};
var flag = 0;
function addSidebarIcon(graph, sidebar, name, image) {
// Function that is executed when the image is dropped on
// the graph. The cell argument points to the cell under
// the mousepointer if there is one.
var funct = function(graph, evt, cell, x, y) {
var parent = graph.getDefaultParent();
var model = graph.getModel();
var v1 = null;
var doc = mxUtils.createXmlDocument();
model.beginUpdate();
try {
var details_instance = new window[name]();
var details = details_instance.define();
var enc = new mxCodec(mxUtils.createXmlDocument());
var node = enc.encode(details);
var temp = enc.encode(parent);
/*
* @jiteshjha
*/
// Get the stylesheet for the graph
var stylesheet = graph.getStylesheet();
// From the stylesheet, get the style of the particular block
var style = stylesheet.styles[name];
/*
* When a particular block is loaded for the first time,
* the image in the style of the block will be a path to the image.
* Set the label in the style property of the block has a html image,
* and set the image in the style property as null
*
* NOTE: Since the image of any block need not be changed for
* for every movement of that block, the image must be
* set only once.
*/
if(style != null && style['image'] != null) {
// Make label as a image html element
var label = '<img src="' + style['image'] + '" height="80" width="80">';
// Set label
style['label'] = label;
// Set image as null
style['image'] = null;
// Add the label as a part of node
node.setAttribute('label', label);
}
/*
* If a particular block with image tag in it's style property
* has been invoked already, the image tag would be null for any
* successive instances of the same block. Hence, set the label
* from the label tag in style which was set when that blockModel
* was invoked on the first time.
*/
if(style!= null && style['label'] != null) {
// Set label from the label field in the style property
node.setAttribute('label', style['label']);
}
node.setAttribute('parent', temp.getAttribute('id'));
var i, arr = [];
var blockModel = details_instance.x.model;
var graphics = details_instance.x.graphics;
/* To determine number and type of Port*/
var inputPorts = [],
outputPorts = [],
controlPorts = [],
commandPorts = [];
if (blockModel.in.height != null) {
arr = getData(graphics.in_implicit);
if (arr.length != 0) {
inputPorts = arr;
} else {
for (i = 0; i < blockModel.in.height; i++) {
inputPorts.push("E");
}
}
}
if (blockModel.out.height != null) {
arr = getData(graphics.out_implicit);
if (arr.length != 0) {
outputPorts = arr;
} else {
for (i = 0; i < blockModel.out.height; i++) {
outputPorts.push("E");
}
}
}
if (blockModel.evtin.height != null) {
for (i = 0; i < blockModel.evtin.height; i++) {
controlPorts.push("CONTROL");
}
}
if (blockModel.evtout.height != null) {
for (i = 0; i < blockModel.evtout.height; i++) {
commandPorts.push("COMMAND");
}
}
v1 = graph.insertVertex(parent, null, node, x, y, 80, 80, name);
// @Chhavi: Additional attribute to store the block's instance
v1.blockInstance = createInstanceTag(details_instance);
createPorts(graph, v1, inputPorts, controlPorts, outputPorts, commandPorts);
v1.setConnectable(false);
} finally {
model.endUpdate();
}
graph.setSelectionCell(v1);
}
var para = document.createElement('p');
var blockFigure = document.createElement('figure');
var img = document.createElement('img');
img.setAttribute('src', image);
var caption = document.createElement('figcaption');
var blockName = document.createTextNode(name);
caption.appendChild(blockName);
blockFigure.appendChild(img);
blockFigure.appendChild(caption);
para.appendChild(blockFigure);
sidebar.appendChild(para);
var dragElt = document.createElement('div');
dragElt.style.border = 'dashed black 1px';
dragElt.style.width = '80px';
dragElt.style.height = '80px';
// Creates the image which is used as the drag icon (preview)
var ds = mxUtils.makeDraggable(img, graph, funct, dragElt, 0, 0, true, true);
ds.setGuidesEnabled(true);
};
// Create ports
function createPorts(graph, block, left, top, right, bottom) {
createInputPorts(graph, block, left, top);
createOutputPorts(graph, block, right, bottom);
}
function createInputPorts(graph, block, leftArray, topArray) {
var topNumber = topArray.length;
var leftNumber = leftArray.length;
if (leftNumber != 0) {
for (var i = 1; i <= leftNumber; i++) {
var x = 0;
var y = (i / (leftNumber + 1)).toFixed(4);
var portType = leftArray[i - 1];
createInputPort(graph, block, x, y, portType, 'left', i);
}
}
if (topNumber != 0) {
for (var i = 1; i <= topNumber; i++) {
var x = (i / (topNumber + 1)).toFixed(4);
var y = 0;
var portType = topArray[i - 1];
createInputPort(graph, block, x, y, portType, 'top', i);
}
}
};
function createOutputPorts(graph, block, rightArray, bottomArray) {
var bottomNumber = bottomArray.length;
var rightNumber = rightArray.length;
if (rightNumber != 0) {
for (var i = 1; i <= rightNumber; i++) {
var x = 1;
var y = (i / (rightNumber + 1)).toFixed(4);
var portType = rightArray[i - 1];
createOutputPort(graph, block, x, y, portType, 'right', i);
}
}
if (bottomNumber != 0) {
for (var i = 1; i <= bottomNumber; i++) {
var x = (i / (bottomNumber + 1)).toFixed(4);
var y = 1;
var portType = bottomArray[i - 1];
createOutputPort(graph, block, x, y, portType, 'bottom', i);
}
}
};
function createInputPort(graph, block, x, y, portType, position, ordering) {
var port = null;
if (portType == 'COMMAND') {
port = graph.insertVertex(block, null, 'CommandPort', x, y, 10, 10, 'CommandPort', true);
} else if (portType == 'CONTROL') {
port = graph.insertVertex(block, null, 'ControlPort', x, y, 10, 10, 'ControlPort', true);
} else if (portType == 'I') {
port = graph.insertVertex(block, null, 'ImplicitInputPort', x, y, 10, 10, 'ImplicitInputPort', true);
} else if (portType == 'E') {
port = graph.insertVertex(block, null, 'ExplicitInputPort', x, y, 10, 10, 'ExplicitInputPort', true);
}
if (port != null) {
if (position == 'top') {
port.geometry.offset = new mxPoint(-6, -10);
} else if (position == 'left') {
port.geometry.offset = new mxPoint(-10, -6);
}
port.ordering = ordering;
}
};
function createOutputPort(graph, block, x, y, portType, position, ordering) {
var port = null;
if (portType == 'COMMAND') {
port = graph.insertVertex(block, null, 'CommandPort', x, y, 10, 10, 'CommandPort', true);
} else if (portType == 'CONTROL') {
port = graph.insertVertex(block, null, 'ControlPort', x, y, 10, 10, 'ControlPort', true);
} else if (portType == 'I') {
port = graph.insertVertex(block, null, 'ImplicitOutputPort', x, y, 10, 10, 'ImplicitOutputPort', true);
} else if (portType == 'E') {
port = graph.insertVertex(block, null, 'ExplicitOutputPort', x, y, 10, 10, 'ExplicitOutputPort', true);
}
if (port != null) {
if (position == 'bottom') {
port.geometry.offset = new mxPoint(-6, 0);
}
if (position == 'right') {
port.geometry.offset = new mxPoint(0, -6);
}
port.ordering = ordering;
}
};
function configureStylesheet(graph) {
var req = mxUtils.load('styles/Xcos-style.xml');
var root = req.getDocumentElement();
var dec = new mxCodec(root.ownerDocument);
dec.decode(root, graph.stylesheet);
};
</script>
<!--
Updates connection points before the routing is called.
-->
<script type="text/javascript">
// Computes the position of edge to edge connection points.
mxGraphView.prototype.updateFixedTerminalPoint = function(edge, terminal, source, constraint) {
// Store the edge state for every newly created edge in edgeState variable
edgeState = edge;
var pt = null;
if (constraint != null) {
pt = this.graph.getConnectionPoint(terminal, constraint);
}
if (source) {
edge.sourceSegment = null;
} else {
edge.targetSegment = null;
}
if (pt == null) {
var s = this.scale;
var tr = this.translate;
var orig = edge.origin;
var geo = this.graph.getCellGeometry(edge.cell);
pt = geo.getTerminalPoint(source);
// Computes edge-to-edge connection point
if (pt != null) {
pt = new mxPoint(s * (tr.x + pt.x + orig.x),
s * (tr.y + pt.y + orig.y));
// Finds nearest segment on edge and computes intersection
if (terminal != null && terminal.absolutePoints != null) {
var seg = mxUtils.findNearestSegment(terminal, pt.x, pt.y);
// Finds orientation of the segment
var p0 = terminal.absolutePoints[seg];
var pe = terminal.absolutePoints[seg + 1];
var horizontal = (p0.x - pe.x == 0);
// Stores the segment in the edge state
var key = (source) ? 'sourceConstraint' : 'targetConstraint';
var value = (horizontal) ? 'horizontal' : 'vertical';
edge.style[key] = value;
// Keeps the coordinate within the segment bounds
if (horizontal) {
pt.x = p0.x;
pt.y = Math.min(pt.y, Math.max(p0.y, pe.y));
pt.y = Math.max(pt.y, Math.min(p0.y, pe.y));
} else {
pt.y = p0.y;
pt.x = Math.min(pt.x, Math.max(p0.x, pe.x));
pt.x = Math.max(pt.x, Math.min(p0.x, pe.x));
}
}
}
// Computes constraint connection points on vertices and ports
else if (terminal != null && terminal.cell.geometry.relative) {
pt = new mxPoint(this.getRoutingCenterX(terminal),
this.getRoutingCenterY(terminal));
}
}
edge.setAbsoluteTerminalPoint(pt, source);
};
</script>
<!--
Overrides methods to preview and create new edges.
-->
<script type="text/javascript">
// Sets source terminal point for edge-to-edge connections.
mxConnectionHandler.prototype.createEdgeState = function(me) {
var edge = this.graph.createEdge();
if (this.sourceConstraint != null && this.previous != null) {
edge.style = mxConstants.STYLE_EXIT_X + '=' + this.sourceConstraint.point.x + ';' +
mxConstants.STYLE_EXIT_Y + '=' + this.sourceConstraint.point.y + ';';
} else if (this.graph.model.isEdge(me.getCell())) {
var scale = this.graph.view.scale;
var tr = this.graph.view.translate;
var pt = new mxPoint(this.graph.snap(me.getGraphX() / scale) - tr.x,
this.graph.snap(me.getGraphY() / scale) - tr.y);
edge.geometry.setTerminalPoint(pt, true);
}
return this.graph.view.createState(edge);
};
mxConnectionHandler.prototype.isStopEvent = function(me) {
return me.getState() != null || mxEvent.isRightMouseButton(me.getEvent());
};
// Updates target terminal point for edge-to-edge connections.
mxConnectionHandlerUpdateCurrentState = mxConnectionHandler.prototype.updateCurrentState;
mxConnectionHandler.prototype.updateCurrentState = function(me) {
mxConnectionHandlerUpdateCurrentState.apply(this, arguments);
if (this.edgeState != null) {
this.edgeState.cell.geometry.setTerminalPoint(null, false);
if (this.shape != null && this.currentState != null &&
this.currentState.view.graph.model.isEdge(this.currentState.cell)) {
var scale = this.graph.view.scale;
var tr = this.graph.view.translate;
var pt = new mxPoint(this.graph.snap(me.getGraphX() / scale) - tr.x,
this.graph.snap(me.getGraphY() / scale) - tr.y);
this.edgeState.cell.geometry.setTerminalPoint(pt, false);
}
}
};
// Updates the terminal and control points in the cloned preview.
mxEdgeSegmentHandler.prototype.clonePreviewState = function(point, terminal) {
var clone = mxEdgeHandler.prototype.clonePreviewState.apply(this, arguments);
clone.cell = clone.cell.clone();
if (this.isSource || this.isTarget) {
clone.cell.geometry = clone.cell.geometry.clone();
// Sets the terminal point of an edge if we're moving one of the endpoints
if (this.graph.getModel().isEdge(clone.cell)) {
clone.cell.geometry.setTerminalPoint(point, this.isSource);
} else {
clone.cell.geometry.setTerminalPoint(null, this.isSource);
}
}
return clone;
};
var mxEdgeHandlerConnect = mxEdgeHandler.prototype.connect;
mxEdgeHandler.prototype.connect = function(edge, terminal, isSource, isClone, me) {
var result = null;
var model = this.graph.getModel();
var parent = model.getParent(edge);
model.beginUpdate();
try {
result = mxEdgeHandlerConnect.apply(this, arguments);
var geo = model.getGeometry(result);
if (geo != null) {
geo = geo.clone();
var pt = null;
if (model.isEdge(terminal)) {
pt = this.abspoints[(this.isSource) ? 0 : this.abspoints.length - 1];
pt.x = pt.x / this.graph.view.scale - this.graph.view.translate.x;
pt.y = pt.y / this.graph.view.scale - this.graph.view.translate.y;
var pstate = this.graph.getView().getState(
this.graph.getModel().getParent(edge));
if (pstate != null) {
pt.x -= pstate.origin.x;
pt.y -= pstate.origin.y;
}
pt.x -= this.graph.panDx / this.graph.view.scale;
pt.y -= this.graph.panDy / this.graph.view.scale;
}
geo.setTerminalPoint(pt, isSource);
model.setGeometry(edge, geo);
}
} finally {
model.endUpdate();
}
return result;
};
</script>
<!--
Adds in-place highlighting for complete cell area (no hotspot).
-->
<script type="text/javascript">
mxConnectionHandlerCreateMarker = mxConnectionHandler.prototype.createMarker;
mxConnectionHandler.prototype.createMarker = function() {
var marker = mxConnectionHandlerCreateMarker.apply(this, arguments);
// Uses complete area of cell for new connections (no hotspot)
marker.intersects = function(state, evt) {
return true;
};
return marker;
};
mxEdgeHandlerCreateMarker = mxEdgeHandler.prototype.createMarker;
mxEdgeHandler.prototype.createMarker = function() {
var marker = mxEdgeHandlerCreateMarker.apply(this, arguments);
// Adds in-place highlighting when reconnecting existing edges
marker.highlight.highlight = this.graph.connectionHandler.marker.highlight.highlight;
return marker;
}
</script>
<!--
Implements a perpendicular wires connection edge style
-->
<script type="text/javascript">
mxEdgeStyle.WireConnector = function(state, source, target, hints, result) {
state.cell.waypoints = state.cell.geometry.points;
// Creates array of all way- and terminalpoints
var pts = state.absolutePoints;
var horizontal = true;
var hint = null;
// Gets the initial connection from the source terminal or edge
if (source != null && state.view.graph.model.isEdge(source.cell)) {
horizontal = state.style['sourceConstraint'] == 'horizontal';
}
// If the source terminal is a Split Block, set the horizontal false
else if(source != null && source.cell.name == 'SPLIT_f') {
if(state.cell.source != null) {
// If the port is the third child of splitBlock, only then set the horizontal as false
if(state.cell.source == state.cell.source.parent.getChildAt(2)) {
horizontal = state.style['sourceConstraint'] == 'horizontal';
}
}
}
else if (source != null) {
horizontal = source.style['portConstraint'] != 'vertical';
// Checks the direction of the shape and rotates
var direction = source.style[mxConstants.STYLE_DIRECTION];
if (direction == 'north' || direction == 'south') {
horizontal = !horizontal;
}
}
// Adds the first point
var pt = pts[0];
/* @jiteshjha splitBlock
*/
if(state.cell.getGeometry().getTerminalPoint(true) != null) {
source.cell['sourcePoint'] = state.cell.getGeometry().getTerminalPoint(true);
}
if (pt == null && source != null) {
pt = new mxPoint(state.view.getRoutingCenterX(source), state.view.getRoutingCenterY(source));
} else if (pt != null) {
pt = pt.clone();
}
var first = pt;
if(state.cell.getGeometry().getTerminalPoint(false) != null) {
target.cell['sourcePoint'] = state.cell.getGeometry().getTerminalPoint(false);
}
// Adds the waypoints
if (hints != null && hints.length > 0) {
for (var i = 0; i < hints.length; i++) {
horizontal = !horizontal;
hint = state.view.transformControlPoint(state, hints[i]);
if (horizontal) {
if (pt.y != hint.y) {
pt.y = hint.y;
result.push(pt.clone());
}
} else if (pt.x != hint.x) {
pt.x = hint.x;
result.push(pt.clone());
}
}
} else {
hint = pt;
}
// Adds the last point
pt = pts[pts.length - 1];
if (pt == null && target != null) {
pt = new mxPoint(state.view.getRoutingCenterX(target), state.view.getRoutingCenterY(target));
}
if (horizontal) {
if (pt.y != hint.y && first.x != pt.x) {
result.push(new mxPoint(pt.x, hint.y));
}
} else if (pt.x != hint.x && first.y != pt.y) {
result.push(new mxPoint(hint.x, pt.y));
}
// If the target of the edge is a splitBlock, push final coordinate as vertical.
if(state.cell.target != null) {
if(state.cell.target.parent.name == "SPLIT_f") {
result.pop();
result.push(new mxPoint(hint.x, pt.y));
}
}
};
mxStyleRegistry.putValue('wireEdgeStyle', mxEdgeStyle.WireConnector);
// This connector needs an mxEdgeSegmentHandler
mxGraphCreateHandler = mxGraph.prototype.createHandler;
mxGraph.prototype.createHandler = function(state) {
var result = null;
if (state != null) {
if (this.model.isEdge(state.cell)) {
var style = this.view.getEdgeStyle(state);
if (style == mxEdgeStyle.WireConnector) {
return new mxEdgeSegmentHandler(state);
}
}
}
return mxGraphCreateHandler.apply(this, arguments);
};
</script>
</head>
<!-- Page passes the container for the graph to the program -->
<body onload="main(document.getElementById('graphContainer'),
document.getElementById('outlineContainer'),
document.getElementById('toolbarContainer'),
document.getElementById('sidebarContainer'),
document.getElementById('statusContainer'));" style="margin:0px;">
<!-- Creates a container for the splash screen -->
<div id="splash" style="position:absolute;top:0px;left:0px;width:100%;height:100%;background:white;z-index:1;">
<center id="splash" style="padding-top:230px;">
<img src="images/loading.gif">
</center>
</div>
<!-- Creates a container for the sidebar -->
<div id="toolbarContainer" style="position:absolute;white-space:nowrap;overflow:hidden;top:0px;left:0px;max-height:24px;height:36px;right:0px;padding:6px;background-image:url('images/toolbar_bg.gif');">
</div>
<!-- Creates a container for the toolbox -->
<div id="sidebarContainer" class="ui-accordion ui-widget ui-helper-reset" style="position:absolute;overflow:scroll;top:36px;left:0px;bottom:36px;max-width:266px;width:270px;padding-top:10px;padding-left:4px;">
</div>
<!-- Creates a container for the graph -->
<div id="graphContainer" style="position:absolute;overflow:hidden;top:36px;left:270px;bottom:36px;right:0px;background-image:url('images/grid.gif');cursor:default;">
</div>
<!-- Creates a container for the outline -->
<div id="outlineContainer" style="position:absolute;overflow:hidden;top:36px;right:0px;width:200px;height:140px;background:transparent;border-style:solid;border-color:black;">
</div>
<!-- Creates a container for the sidebar -->
<div id="statusContainer" style="text-align:right;position:absolute;overflow:hidden;bottom:0px;left:0px;max-height:24px;height:36px;right:0px;color:white;padding:6px;background-image:url('images/toolbar_bg.gif');">
<div style="font-size:10pt;float:left;">
<a href="http://fossee.in/" target="_tab">FOSSEE</a>
</div>
</div>
<!-- Secret -->
<p class="accordion-expand-holder" style="display:none">
<a id='toggleBlocks' class="accordion-expand-all">Expand All</a>
</p>
</body>
<!-- It's good if this part happens after the entire page has loaded-->
<script type="text/javascript">
// Preload all images
var directory = ["/blocks/", "/images/", "/palettes/"];
for(folder in directory) {
$.ajax({
type: "POST",
// Invoke filenames.php
url: "filenames.php",
// Receive the resultant filenames from the php script in JSON format
dataType: "json",
// Add url for the required folder
data: {
url: directory[folder]
},
success: function (data) {
function preload(sources) {
/*
* @Parameter: sources will have the required filenames in the mentioned folder
* For each image url, make a new image to enable preloading
*/
for (i in sources) {
var image = new Image();
image.src = sources[i];
}
}
preload(data);
}
});
}
//Find out more here: http://stackoverflow.com/questions/12843418/jquery-ui-accordion-expand-collapse-all
$(window).load(function() {
var headers = $('#sidebarContainer .accordion-header');
var contentAreas = $('#sidebarContainer .ui-accordion-content ').hide();
var expandLink = $('.accordion-expand-all');
// add the accordion functionality
headers.click(function() {
var panel = $(this).next();
var isOpen = panel.is(':visible');
// open or close as necessary
panel[isOpen ? 'slideUp' : 'slideDown']()
// trigger the correct custom event
.trigger(isOpen ? 'hide' : 'show');
// stop the link from causing a pagescroll
return false;
});
// hook up the expand/collapse all
expandLink.click(function() {
var isAllOpen = $(this).data('isAllOpen');
contentAreas[isAllOpen ? 'hide' : 'show']()
.trigger(isAllOpen ? 'hide' : 'show');
});
// when panels open or close, check to see if they're all open
contentAreas.on({
// whenever we open a panel, check to see if they're all open
// if all open, swap the button to collapser
show: function() {
var isAllOpen = !contentAreas.is(':hidden');
if (isAllOpen) {
expandLink.text('Collapse All')
.data('isAllOpen', true);
}
},
// whenever we close a panel, check to see if they're all open
// if not all open, swap the button to expander
hide: function() {
var isAllOpen = !contentAreas.is(':hidden');
if (!isAllOpen) {
expandLink.text('Expand All')
.data('isAllOpen', false);
}
}
});
});
</script>
</html>