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-rw-r--r--orientation.js450
1 files changed, 450 insertions, 0 deletions
diff --git a/orientation.js b/orientation.js
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--- /dev/null
+++ b/orientation.js
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+/*
+ @pooja,
+ orientation.js contains the implementation of
+ block tranformation functions (rotation, flip and mirror)
+*/
+function transformBlockImage(graph, cell) {
+ var imageName = cell.style;
+ if (imageName.indexOf(";") != -1) {
+ imageName = imageName.substring(0, imageName.indexOf(";"));
+ }
+ var value = graph.getModel().getValue(cell);
+ var dec = new mxCodec();
+ var details = dec.decode(value);
+ // Get the stylesheet for the graph
+ var stylesheet = graph.getStylesheet();
+ // From the stylesheet, get the style of the particular block
+ var style = stylesheet.styles[imageName];
+ var geometry = cell.getGeometry();
+ var point_x = geometry.x;
+ var point_y = geometry.y;
+ //IS_GC is to check if browser is Google Chrome, IS_FF is for Firefox. Updating the image style.
+ if (mxClient.IS_GC == true) {
+ details['label'] = '<img src="' + style['imagePath'] + '" height=80px; width=80px; style=" transform:translate(' + point_x + 'px,' + point_y + 'px) rotate(' + cell.currentAngle + 'deg) scale(' + cell.flipX + ',' + cell.flipY + '); "/>';
+ } else {
+ details['label'] = '<img src="' + style['imagePath'] + '" height=80px; width=80px; style=" transform: rotate(' + cell.currentAngle + 'deg) scale(' + cell.flipX + ',' + cell.flipY + '); "/>';
+ }
+ var enc = new mxCodec(mxUtils.createXmlDocument());
+ var value = enc.encode(details);
+ graph.getModel().setValue(cell, value);
+}
+
+function rotateCustom(editor, graph, cell) {
+ var selectedCells = graph.getSelectionCells();
+ graph.getModel().beginUpdate();
+ try {
+ for (var count = 0; count < selectedCells.length; count++) {
+ var selectedCell = selectedCells[count];
+ if (selectedCell != null) {
+ var cells = [];
+ cells.push(selectedCell);
+
+ for (var i = 0; i < selectedCell.getChildCount(); i++)
+ cells.push(selectedCell.getChildAt(i));
+
+ for (var i = 0; i < cells.length; i++) {
+ var cell = cells[i];
+ if (cell.isVertex() == true) {
+ var geo = graph.getCellGeometry(cell);
+ if (geo != null) {
+ // Rotates the size and position in the geometry
+ geo = geo.clone();
+ geo.x += geo.width / 2 - geo.height / 2;
+ geo.y += geo.height / 2 - geo.width / 2;
+ var tmp = geo.width;
+ geo.width = geo.height;
+ geo.height = tmp;
+ graph.getModel().setGeometry(cell, geo);
+ // Reads the current direction and advances by 90 degrees
+ var state = graph.view.getState(cell);
+ if (state != null) {
+ if (cell.isConnectable() == true) {
+ var dir = state.style[mxConstants.STYLE_ROTATION] || '0';
+ var geoCell = cell.getGeometry();
+ /*
+ To rotate the ports in sync with the block rotation.
+ A rotate makes port directing east direct to south, south direct to west, west direct to north and north direct to east.
+ */
+ if (cell.value == "ExplicitOutputPort" || cell.value == "ImplicitOutputPort") {
+ if (dir == '0' || dir == '180') {
+ var temp = geoCell.x;
+ geoCell.x = geoCell.y - 0.0625;
+ geoCell.y = temp + 0.0625;
+ if (dir == '0') {
+ dir = '90';
+ } else {
+ dir = '270';
+ }
+
+ } else if (dir == '90' || dir == '270') {
+ geoCell.y = geoCell.x + 0.0625;
+ if (dir == '90') {
+ dir = '180';
+ geoCell.x = 0 - 0.125;
+ } else {
+ dir = '0';
+ geoCell.x = 1;
+ }
+ }
+ cell.setGeometry(geoCell);
+ } else if (cell.value == "ExplicitInputPort" || cell.value == "ImplicitInputPort") {
+ if (dir == '90' || dir == '270') {
+ geoCell.y = geoCell.x - 0.0625;
+ if (dir == '90') {
+ dir = '180';
+ geoCell.x = 1 + 0.125;
+ } else {
+ dir = '0';
+ geoCell.x = 0;
+ }
+ } else if (dir == '0' || dir == '180') {
+ geoCell = geoCell.clone();
+ var temp = geoCell.x;
+ geoCell.x = parseFloat(geoCell.y) + 0.0625;
+ geoCell.y = temp - 0.0625;
+ if (dir == '0') {
+ dir = '90';
+ } else {
+ dir = '270';
+ }
+ }
+ cell.setGeometry(geoCell);
+ } else if (cell.value == 'CommandPort') {
+
+ if (dir == '0' || dir == '180') {
+ var temp = geoCell.x;
+ geoCell.x = geoCell.y + 0.0625;
+ geoCell.y = temp - 0.0625;
+ if (dir == '0') {
+ dir = '90';
+ } else {
+ dir = '270';
+ }
+ } else if (dir == '90' || dir == '270') {
+ geoCell.y = parseFloat(geoCell.x) - 0.0625;
+ if (dir == '90') {
+ dir = '180';
+ geoCell.x = 0 - 0.0625;
+ } else {
+ dir = '0';
+ geoCell.x = 1 + 0.0625;
+ }
+ }
+ cell.setGeometry(geoCell);
+ } else if (cell.value == 'ControlPort') {
+ if (dir == '0' || dir == '180') {
+ var temp = geoCell.x;
+ geoCell.x = geoCell.y - 0.0625;
+ geoCell.y = temp + 0.0625;
+ if (dir == '0') {
+ dir = '90';
+ } else {
+ dir = '270';
+ }
+ } else if (dir == '90' || dir == '270') {
+ geoCell.y = parseFloat(geoCell.x) + 0.0625;
+ if (dir == '90') {
+ dir = '180';
+ geoCell.x = 1 + 0.0625;
+ } else {
+ dir = '0';
+ geoCell.x = 0 - 0.0625;
+ }
+ }
+ cell.setGeometry(geoCell);
+ }
+ }
+ graph.setCellStyles(mxConstants.STYLE_ROTATION, dir, [cell]);
+ }
+ }
+ }
+ if (cell.isConnectable() == false) {
+ var state = graph.view.getState(cell);
+ if (state != null) {
+ var dir = state.style[mxConstants.STYLE_ROTATION] || '0';
+ dir = (dir + 90) % 360;
+ graph.setCellStyles(mxConstants.STYLE_ROTATION, dir, [cell]);
+ }
+ if (cell.value.getAttribute('label') != null && cell.value.getAttribute('label').substring(1, 4) == "img") {
+ cell.currentAngle = (parseInt(cell.currentAngle) + 90) % 360;
+ var imageName = cell.style;
+ transformBlockImage(graph, cell);
+ }
+ }
+ }
+ }
+ }
+ } finally {
+ graph.getModel().endUpdate();
+ }
+}
+
+function flipCustom(editor, graph, cell) {
+ var selectedCells = graph.getSelectionCells();
+ graph.getModel().beginUpdate();
+ try {
+ for (var count = 0; count < selectedCells.length; count++) {
+ var selectedCell = selectedCells[count];
+ if (selectedCell != null) {
+ var cells = [];
+ cells.push(selectedCell);
+ for (var i = 0; i < selectedCell.getChildCount(); i++)
+ cells.push(selectedCell.getChildAt(i));
+ for (var i = 0; i < cells.length; i++) {
+ var cell = cells[i];
+ if (cell.isVertex() == true) {
+ var geo = graph.getCellGeometry(cell);
+ if (geo != null) {
+ // Rotates the size and position in the geometry
+ geo = geo.clone();
+ geo.x += geo.width / 2 - geo.height / 2;
+ geo.y += geo.height / 2 - geo.width / 2;
+ var tmp = geo.width;
+ geo.width = geo.height;
+ geo.height = tmp;
+ graph.getModel().setGeometry(cell, geo);
+ // Reads the current direction and flips the ports
+ var state = graph.view.getState(cell);
+ if (state != null) {
+ if (cell.isConnectable() == true) {
+ var dir = state.style[mxConstants.STYLE_ROTATION] || '0';
+ var flip = state.style[mxConstants.STYLE_STENCIL_FLIPV] || '0';
+ var geoCell = cell.getGeometry();
+
+ /*
+ To flip the ports in sync with the block flip.
+ A flip makes port directing north direct to south and vice versa.
+ A port directing east or west will have to aligh with the other ports which have same direction.
+ */
+
+ if (cell.value == 'CommandPort' || cell.value == 'ControlPort') {
+ if (dir == '90' || dir == '270') {
+ if (cell.value == 'CommandPort') {
+ if (dir == '90') {
+ geoCell.y = geoCell.y - 1 - 0.125;
+ dir = '270';
+ } else {
+ geoCell.y = geoCell.y + 1 + 0.125;
+ dir = '90';
+ }
+ } else {
+ if (dir == '90') {
+ geoCell.y = geoCell.y + 1 + 0.125;
+ dir = '270';
+ } else {
+ geoCell.y = geoCell.y - 1 - 0.125;
+ dir = '90';
+ }
+ }
+ } else if (dir == '0' || dir == '180') {
+ if (cell.value == 'CommandPort') {
+ geoCell.y = 1 - geoCell.y - 0.125;
+ } else {
+ geoCell.y = 1 - geoCell.y + 0.125;
+ }
+ }
+ cell.setGeometry(geoCell);
+ } else if (cell.value == "ExplicitOutputPort" ||
+ cell.value == "ImplicitOutputPort" || cell.value == "ExplicitInputPort" || cell.value == "ImplicitInputPort") {
+ if (dir == '90' || dir == '270') {
+ if (cell.value == "ExplicitOutputPort" || cell.value == "ImplicitOutputPort") {
+ if (dir == '90') {
+ geoCell.y = geoCell.y - 1 - 0.125;
+ dir = '270';
+ } else {
+ geoCell.y = geoCell.y + 1 + 0.125;
+ dir = '90';
+ }
+ } else {
+ if (dir == '90') {
+ geoCell.y = geoCell.y + 1 + 0.125;
+ dir = '270';
+ } else {
+ geoCell.y = geoCell.y - 1 - 0.125;
+ dir = '90';
+ }
+ }
+ } else if (dir == '0' || dir == '180') {
+ geoCell.y = 1 - geoCell.y;
+ }
+ cell.setGeometry(geoCell);
+ }
+ }
+ graph.setCellStyles(mxConstants.STYLE_ROTATION, dir, [cell]);
+ if (flip == '0') {
+ graph.setCellStyles(mxConstants.STYLE_STENCIL_FLIPV, '1', [cell]);
+ } else {
+ graph.setCellStyles(mxConstants.STYLE_STENCIL_FLIPV, '0', [cell]);
+ }
+ }
+ }
+ }
+ if (cell.isConnectable() == false) {
+ var state = graph.view.getState(cell);
+ if (state != null) {
+ var dir = state.style[mxConstants.STYLE_ROTATION];
+ var flip = state.style[mxConstants.STYLE_STENCIL_FLIPV] || '0';
+ if (flip == '0') {
+ graph.setCellStyles(mxConstants.STYLE_STENCIL_FLIPV, '1', [cell]);
+ } else {
+ graph.setCellStyles(mxConstants.STYLE_STENCIL_FLIPV, '0', [cell]);
+ }
+ if (dir == '0' || dir == '180') {
+ dir = (dir + 180) % 360;
+
+ }
+ graph.setCellStyles(mxConstants.STYLE_ROTATION, dir, [cell]);
+ }
+ if (cell.value.getAttribute('label') != null && cell.value.getAttribute('label').substring(1, 4) == "img") {
+ if (cell.currentAngle == 90 || cell.currentAngle == 270) {
+ cell.flipX = -parseInt(cell.flipX);
+ } else {
+ cell.flipY = -parseInt(cell.flipY);
+ }
+ transformBlockImage(graph, cell);
+ }
+ }
+ }
+ }
+ }
+ } finally {
+ graph.getModel().endUpdate();
+ }
+}
+
+function mirrorCustom(editor, graph, cell) {
+ var selectedCells = graph.getSelectionCells();
+ graph.getModel().beginUpdate();
+ try {
+ for (var count = 0; count < selectedCells.length; count++) {
+ var selectedCell = selectedCells[count];
+ if (selectedCell != null) {
+ var cells = [];
+
+ cells.push(selectedCell);
+
+ for (var i = 0; i < selectedCell.getChildCount(); i++)
+ cells.push(selectedCell.getChildAt(i));
+ for (var i = 0; i < cells.length; i++) {
+ var cell = cells[i];
+ if (cell.isVertex() == true) {
+ var geo = graph.getCellGeometry(cell);
+
+ if (geo != null) {
+ // Rotates the size and position in the geometry
+ geo = geo.clone();
+ geo.x += geo.width / 2 - geo.height / 2;
+ geo.y += geo.height / 2 - geo.width / 2;
+ var tmp = geo.width;
+ geo.width = geo.height;
+ geo.height = tmp;
+ graph.getModel().setGeometry(cell, geo);
+ // Reads the current direction and mirrors the ports
+ var state = graph.view.getState(cell);
+ if (state != null) {
+ var dir = state.style[mxConstants.STYLE_ROTATION] || '0';
+ var mirror = state.style[mxConstants.STYLE_STENCIL_FLIPH] || '0';
+ if (cell.isConnectable() == true) {
+ var geoCell = cell.getGeometry();
+
+ /*
+ To mirror the ports in sync with the block mirror.
+ A mirror makes port directing east direct to west and vice versa.
+ A port directing north or south will have to aligh with the other ports which have same direction.
+ */
+
+ if (cell.value == "ExplicitOutputPort" || cell.value == "ImplicitOutputPort" || cell.value == "ExplicitInputPort" || cell.value == "ImplicitInputPort") {
+ if (dir == '180' || dir == '0') {
+ if (cell.value == "ExplicitOutputPort" || cell.value == "ImplicitOutputPort") {
+ if (dir == '0') {
+ geoCell.x = geoCell.x - 1 - 0.125;
+ dir = '180';
+ } else {
+ geoCell.x = geoCell.x + 1 + 0.125;
+ dir = '0';
+ }
+ } else {
+ geoCell = geoCell.clone();
+ if (dir == '0') {
+ geoCell.x = geoCell.x + 1 + 0.125;
+ dir = '180';
+ } else {
+ geoCell.x = geoCell.x - 1 - 0.125;
+ dir = '0';
+ }
+ }
+ } else if (dir == '90' || dir == '270') {
+ if (cell.value == "ExplicitOutputPort" || cell.value == "ImplicitOutputPort") {
+ geoCell.x = 1 - geoCell.x - 0.125;
+ } else {
+ geoCell.x = 1 - geoCell.x + 0.125;
+ }
+ }
+ cell.setGeometry(geoCell);
+ } else if (cell.value == 'CommandPort' || cell.value == 'ControlPort') {
+ if (dir == '0' || dir == '180') {
+ if (cell.value == 'CommandPort') {
+ if (dir == '180') {
+ geoCell.x = geoCell.x + 1 + 0.125;
+ dir = '0';
+ } else {
+ geoCell.x = geoCell.x - 1 - 0.125;
+ dir = '180';
+ }
+ } else {
+ if (dir == '180') {
+ geoCell.x = geoCell.x - 1 - 0.125;
+ dir = '0';
+ } else {
+ geoCell.x = geoCell.x + 1 + 0.125;
+ dir = '180';
+ }
+ }
+ } else if (dir == '90' || dir == '270') {
+ geoCell.x = 1 - geoCell.x;
+ }
+ cell.setGeometry(geoCell);
+ }
+ }
+ graph.setCellStyles(mxConstants.STYLE_ROTATION, dir, [cell]);
+ if (mirror == '0') {
+ graph.setCellStyles(mxConstants.STYLE_STENCIL_FLIPH, '1', [cell]);
+ } else {
+ graph.setCellStyles(mxConstants.STYLE_STENCIL_FLIPH, '0', [cell]);
+ }
+ }
+ }
+ }
+
+ if (cell.isConnectable() == false) {
+ var state = graph.view.getState(cell);
+ if (state != null) {
+ var dir = state.style[mxConstants.STYLE_ROTATION];
+ var mirror = state.style[mxConstants.STYLE_STENCIL_FLIPH] || '0';
+ if (mirror == '0') {
+ graph.setCellStyles(mxConstants.STYLE_STENCIL_FLIPH, '1', [cell]);
+ } else {
+ graph.setCellStyles(mxConstants.STYLE_STENCIL_FLIPH, '0', [cell]);
+ }
+ if (dir == '90' || dir == '270') {
+ dir = (dir + 180) % 360;
+
+ }
+ graph.setCellStyles(mxConstants.STYLE_ROTATION, dir, [cell]);
+ }
+ if (cell.value.getAttribute('label') != null && cell.value.getAttribute('label').substring(1, 4) == "img") {
+ if (cell.currentAngle == 90 || cell.currentAngle == 270) {
+ cell.flipY = -parseInt(cell.flipY);
+ } else {
+ cell.flipX = -parseInt(cell.flipX);
+ }
+ transformBlockImage(graph, cell);
+ }
+ }
+ }
+ }
+ }
+ } finally {
+ graph.getModel().endUpdate();
+ }
+} \ No newline at end of file
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