109 lines
3.0 KiB
JavaScript
109 lines
3.0 KiB
JavaScript
//>>built
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// wrapped by build app
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define("dojox/drawing/annotations/Angle", ["dijit","dojo","dojox"], function(dijit,dojo,dojox){
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dojo.provide("dojox.drawing.annotations.Angle");
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dojox.drawing.annotations.Angle = dojox.drawing.util.oo.declare(
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// summary:
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// When initiated, an HTML box will hover near the Stencil,
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// displaying it's angle while drawn or modified. Currently
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// only works with Vector, Line, Arrow, and Axes.
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// description:
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// Annotation is positioned with dojox.drawing.util.positioning.angle
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// That method should be overwritten for custom placement.
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// Called internally. To initiaize:
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// TODO: currently always on
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//
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function(/*Object*/options){
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// arguments:
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// options: Object
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// One key value: the stencil that called this.
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//
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this.stencil = options.stencil;
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this.util = options.stencil.util;
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this.mouse = options.stencil.mouse;
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this.stencil.connectMult([
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["onDrag", this, "showAngle"],
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["onUp", this, "hideAngle"],
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["onTransformBegin", this, "showAngle"],
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["onTransform", this, "showAngle"],
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["onTransformEnd", this, "hideAngle"]
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]);
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},
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{
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type:"dojox.drawing.tools.custom",
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angle:0,
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showAngle: function(){
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// summary:
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// Called to display angle
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//
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if(!this.stencil.selected && this.stencil.created){ return; }
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if(this.stencil.getRadius() < this.stencil.minimumSize){
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this.hideAngle();
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return;
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}
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var node = this.getAngleNode();
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var d = this.stencil.pointsToData();
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var pt = dojox.drawing.util.positioning.angle({x:d.x1,y:d.y1},{x:d.x2,y:d.y2});
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var sc = this.mouse.scrollOffset();
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var mx = this.stencil.getTransform();
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var dx = mx.dx / this.mouse.zoom;
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var dy = mx.dy / this.mouse.zoom;
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pt.x /= this.mouse.zoom;
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pt.y /= this.mouse.zoom;
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// adding _offX & _offY since this is HTML
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// and we are from the page corner, not
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// the canvas corner
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var x = this.stencil._offX + pt.x - sc.left + dx;
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var y = this.stencil._offY + pt.y - sc.top + dy;
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dojo.style(node, {
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left: x + "px",
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top: y + "px",
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align:pt.align
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});
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var angle=this.stencil.getAngle();
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if(this.stencil.style.zAxis && this.stencil.shortType=="vector"){
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node.innerHTML = this.stencil.data.cosphi > 0 ? "out of" : "into";
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}else if(this.stencil.shortType=="line"){
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node.innerHTML = this.stencil.style.zAxis?"out of":Math.ceil(angle%180);
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}else{
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node.innerHTML = Math.ceil(angle);
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}
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},
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getAngleNode: function(){
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// summary:
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// Gets or creates HTMLNode used for display
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if(!this._angleNode){
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this._angleNode = dojo.create("span", null, dojo.body());
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dojo.addClass(this._angleNode, "textAnnotation");
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dojo.style(this._angleNode, "opacity", 1);
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}
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return this._angleNode; //HTMLNode
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},
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hideAngle: function(){
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// summary:
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// Turns display off.
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//
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if(this._angleNode && dojo.style(this._angleNode, "opacity")>0.9){
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dojo.fadeOut({node:this._angleNode,
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duration:500,
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onEnd: function(node){
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dojo.destroy(node);
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}
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}).play();
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this._angleNode = null;
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}
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}
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}
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);
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});
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