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/**
* $Id: mxActor.js,v 1.35 2012-07-31 11:46:53 gaudenz Exp $
* Copyright (c) 2006-2010, JGraph Ltd
*/
/**
* Class: mxActor
*
* Extends <mxShape> to implement an actor shape. If a custom shape with one
* filled area is needed, then this shape's <redrawPath> should be overridden.
*
* Example:
*
* (code)
* function SampleShape() { }
*
* SampleShape.prototype = new mxActor();
* SampleShape.prototype.constructor = vsAseShape;
*
* mxCellRenderer.prototype.defaultShapes['sample'] = SampleShape;
* SampleShape.prototype.redrawPath = function(path, x, y, w, h)
* {
* path.moveTo(0, 0);
* path.lineTo(w, h);
* // ...
* path.close();
* }
* (end)
*
* This shape is registered under <mxConstants.SHAPE_ACTOR> in
* <mxCellRenderer>.
*
* Constructor: mxActor
*
* Constructs a new actor shape.
*
* Parameters:
*
* bounds - <mxRectangle> that defines the bounds. This is stored in
* <mxShape.bounds>.
* fill - String that defines the fill color. This is stored in <fill>.
* stroke - String that defines the stroke color. This is stored in <stroke>.
* strokewidth - Optional integer that defines the stroke width. Default is
* 1. This is stored in <strokewidth>.
*/
function mxActor(bounds, fill, stroke, strokewidth)
{
this.bounds = bounds;
this.fill = fill;
this.stroke = stroke;
this.strokewidth = (strokewidth != null) ? strokewidth : 1;
};
/**
* Extends mxShape.
*/
mxActor.prototype = new mxShape();
mxActor.prototype.constructor = mxActor;
/**
* Variable: mixedModeHtml
*
* Overrides the parent value with false, meaning it will
* draw in VML in mixed Html mode.
*/
mxActor.prototype.mixedModeHtml = false;
/**
* Variable: preferModeHtml
*
* Overrides the parent value with false, meaning it will
* draw as VML in prefer Html mode.
*/
mxActor.prototype.preferModeHtml = false;
/**
* Variable: vmlScale
*
* Renders VML with a scale of 2.
*/
mxActor.prototype.vmlScale = 2;
/**
* Function: createVml
*
* Creates and returns the VML node(s) to represent this shape.
*/
mxActor.prototype.createVml = function()
{
var node = document.createElement('v:shape');
node.style.position = 'absolute';
this.configureVmlShape(node);
return node;
};
/**
* Function: redrawVml
*
* Updates the VML node(s) to reflect the latest bounds and scale.
*/
mxActor.prototype.redrawVml = function()
{
this.updateVmlShape(this.node);
this.node.path = this.createPath();
};
/**
* Function: createSvg
*
* Creates and returns the SVG node(s) to represent this shape.
*/
mxActor.prototype.createSvg = function()
{
return this.createSvgGroup('path');
};
/**
* Function: redrawSvg
*
* Updates the SVG node(s) to reflect the latest bounds and scale.
*/
mxActor.prototype.redrawSvg = function()
{
var strokeWidth = Math.round(Math.max(1, this.strokewidth * this.scale));
this.innerNode.setAttribute('stroke-width', strokeWidth);
this.innerNode.setAttribute('stroke-linejoin', 'round');
if (this.crisp && (this.rotation == null || this.rotation == 0))
{
this.innerNode.setAttribute('shape-rendering', 'crispEdges');
}
else
{
this.innerNode.removeAttribute('shape-rendering');
}
var d = this.createPath();
if (d.length > 0)
{
this.innerNode.setAttribute('d', d);
if (this.shadowNode != null)
{
this.shadowNode.setAttribute('transform', this.getSvgShadowTransform() +
(this.innerNode.getAttribute('transform') || ''));
this.shadowNode.setAttribute('stroke-width', strokeWidth);
this.shadowNode.setAttribute('d', d);
}
}
else
{
this.innerNode.removeAttribute('d');
if (this.shadowNode != null)
{
this.shadowNode.removeAttribute('d');
}
}
if (this.isDashed)
{
var phase = Math.max(1, Math.round(3 * this.scale * this.strokewidth));
this.innerNode.setAttribute('stroke-dasharray', phase + ' ' + phase);
}
};
/**
* Function: redrawPath
*
* Draws the path for this shape. This method uses the <mxPath>
* abstraction to paint the shape for VML and SVG.
*/
mxActor.prototype.redrawPath = function(path, x, y, w, h)
{
var width = w/3;
path.moveTo(0, h);
path.curveTo(0, 3 * h / 5, 0, 2 * h / 5, w / 2, 2 * h / 5);
path.curveTo(w / 2 - width, 2 * h / 5, w / 2 - width, 0, w / 2, 0);
path.curveTo(w / 2 + width, 0, w / 2 + width, 2 * h / 5, w / 2, 2 * h / 5);
path.curveTo(w, 2 * h / 5, w, 3 * h / 5, w, h);
path.close();
};
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