| 1 | define(["dojo/_base/lang", "dojo/_base/window", "dojo/dom","dojo/_base/declare", "dojo/_base/array", |
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| 2 | "dojo/dom-geometry", "dojo/_base/Color", "./_base", "./shape", "./path"], |
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| 3 | function(lang, win, dom, declare, arr, domGeom, Color, g, gs, pathLib){ |
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| 4 | /*===== |
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| 5 | dojox.gfx.svg = { |
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| 6 | // module: |
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| 7 | // dojox/gfx/svg |
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| 8 | // summary: |
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| 9 | // This the graphics rendering bridge for browsers compliant with W3C SVG1.0. |
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| 10 | // This is the preferred renderer to use for interactive and accessible graphics. |
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| 11 | }; |
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| 12 | pathLib.Path = dojox.gfx.path.Path; |
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| 13 | pathLib.TextPath = dojox.gfx.path.TextPath; |
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| 14 | svg.Shape = dojox.gfx.canvas.Shape; |
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| 15 | gs.Shape = dojox.gfx.shape.Shape; |
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| 16 | gs.Rect = dojox.gfx.shape.Rect; |
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| 17 | gs.Ellipse = dojox.gfx.shape.Ellipse; |
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| 18 | gs.Circle = dojox.gfx.shape.Circle; |
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| 19 | gs.Line = dojox.gfx.shape.Line; |
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| 20 | gs.PolyLine = dojox.gfx.shape.PolyLine; |
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| 21 | gs.Image = dojox.gfx.shape.Image; |
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| 22 | gs.Text = dojox.gfx.shape.Text; |
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| 23 | gs.Surface = dojox.gfx.shape.Surface; |
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| 24 | =====*/ |
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| 25 | var svg = g.svg = {}; |
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| 26 | svg.useSvgWeb = (typeof window.svgweb != "undefined"); |
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| 27 | |
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| 28 | // Need to detect iOS in order to workaround bug when |
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| 29 | // touching nodes with text |
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| 30 | var uagent = navigator.userAgent.toLowerCase(), |
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| 31 | safMobile = uagent.search('iphone') > -1 || |
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| 32 | uagent.search('ipad') > -1 || |
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| 33 | uagent.search('ipod') > -1; |
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| 34 | |
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| 35 | function _createElementNS(ns, nodeType){ |
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| 36 | // summary: |
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| 37 | // Internal helper to deal with creating elements that |
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| 38 | // are namespaced. Mainly to get SVG markup output |
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| 39 | // working on IE. |
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| 40 | if(win.doc.createElementNS){ |
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| 41 | return win.doc.createElementNS(ns,nodeType); |
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| 42 | }else{ |
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| 43 | return win.doc.createElement(nodeType); |
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| 44 | } |
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| 45 | } |
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| 46 | |
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| 47 | function _createTextNode(text){ |
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| 48 | if(svg.useSvgWeb){ |
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| 49 | return win.doc.createTextNode(text, true); |
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| 50 | }else{ |
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| 51 | return win.doc.createTextNode(text); |
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| 52 | } |
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| 53 | } |
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| 54 | |
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| 55 | function _createFragment(){ |
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| 56 | if(svg.useSvgWeb){ |
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| 57 | return win.doc.createDocumentFragment(true); |
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| 58 | }else{ |
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| 59 | return win.doc.createDocumentFragment(); |
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| 60 | } |
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| 61 | } |
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| 62 | |
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| 63 | svg.xmlns = { |
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| 64 | xlink: "http://www.w3.org/1999/xlink", |
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| 65 | svg: "http://www.w3.org/2000/svg" |
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| 66 | }; |
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| 67 | |
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| 68 | svg.getRef = function(name){ |
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| 69 | // summary: returns a DOM Node specified by the name argument or null |
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| 70 | // name: String: an SVG external reference |
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| 71 | if(!name || name == "none") return null; |
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| 72 | if(name.match(/^url\(#.+\)$/)){ |
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| 73 | return dom.byId(name.slice(5, -1)); // Node |
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| 74 | } |
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| 75 | // alternative representation of a reference |
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| 76 | if(name.match(/^#dojoUnique\d+$/)){ |
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| 77 | // we assume here that a reference was generated by dojox.gfx |
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| 78 | return dom.byId(name.slice(1)); // Node |
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| 79 | } |
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| 80 | return null; // Node |
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| 81 | }; |
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| 82 | |
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| 83 | svg.dasharray = { |
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| 84 | solid: "none", |
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| 85 | shortdash: [4, 1], |
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| 86 | shortdot: [1, 1], |
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| 87 | shortdashdot: [4, 1, 1, 1], |
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| 88 | shortdashdotdot: [4, 1, 1, 1, 1, 1], |
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| 89 | dot: [1, 3], |
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| 90 | dash: [4, 3], |
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| 91 | longdash: [8, 3], |
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| 92 | dashdot: [4, 3, 1, 3], |
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| 93 | longdashdot: [8, 3, 1, 3], |
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| 94 | longdashdotdot: [8, 3, 1, 3, 1, 3] |
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| 95 | }; |
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| 96 | |
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| 97 | declare("dojox.gfx.svg.Shape", gs.Shape, { |
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| 98 | // summary: SVG-specific implementation of dojox.gfx.Shape methods |
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| 99 | |
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| 100 | setFill: function(fill){ |
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| 101 | // summary: sets a fill object (SVG) |
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| 102 | // fill: Object: a fill object |
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| 103 | // (see dojox.gfx.defaultLinearGradient, |
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| 104 | // dojox.gfx.defaultRadialGradient, |
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| 105 | // dojox.gfx.defaultPattern, |
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| 106 | // or dojo.Color) |
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| 107 | |
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| 108 | if(!fill){ |
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| 109 | // don't fill |
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| 110 | this.fillStyle = null; |
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| 111 | this.rawNode.setAttribute("fill", "none"); |
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| 112 | this.rawNode.setAttribute("fill-opacity", 0); |
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| 113 | return this; |
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| 114 | } |
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| 115 | var f; |
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| 116 | // FIXME: slightly magical. We're using the outer scope's "f", but setting it later |
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| 117 | var setter = function(x){ |
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| 118 | // we assume that we're executing in the scope of the node to mutate |
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| 119 | this.setAttribute(x, f[x].toFixed(8)); |
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| 120 | }; |
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| 121 | if(typeof(fill) == "object" && "type" in fill){ |
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| 122 | // gradient |
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| 123 | switch(fill.type){ |
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| 124 | case "linear": |
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| 125 | f = g.makeParameters(g.defaultLinearGradient, fill); |
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| 126 | var gradient = this._setFillObject(f, "linearGradient"); |
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| 127 | arr.forEach(["x1", "y1", "x2", "y2"], setter, gradient); |
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| 128 | break; |
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| 129 | case "radial": |
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| 130 | f = g.makeParameters(g.defaultRadialGradient, fill); |
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| 131 | var grad = this._setFillObject(f, "radialGradient"); |
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| 132 | arr.forEach(["cx", "cy", "r"], setter, grad); |
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| 133 | break; |
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| 134 | case "pattern": |
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| 135 | f = g.makeParameters(g.defaultPattern, fill); |
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| 136 | var pattern = this._setFillObject(f, "pattern"); |
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| 137 | arr.forEach(["x", "y", "width", "height"], setter, pattern); |
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| 138 | break; |
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| 139 | } |
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| 140 | this.fillStyle = f; |
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| 141 | return this; |
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| 142 | } |
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| 143 | // color object |
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| 144 | f = g.normalizeColor(fill); |
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| 145 | this.fillStyle = f; |
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| 146 | this.rawNode.setAttribute("fill", f.toCss()); |
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| 147 | this.rawNode.setAttribute("fill-opacity", f.a); |
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| 148 | this.rawNode.setAttribute("fill-rule", "evenodd"); |
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| 149 | return this; // self |
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| 150 | }, |
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| 151 | |
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| 152 | setStroke: function(stroke){ |
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| 153 | // summary: |
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| 154 | // sets a stroke object (SVG) |
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| 155 | // stroke: Object |
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| 156 | // a stroke object (see dojox.gfx.defaultStroke) |
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| 157 | |
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| 158 | var rn = this.rawNode; |
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| 159 | if(!stroke){ |
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| 160 | // don't stroke |
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| 161 | this.strokeStyle = null; |
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| 162 | rn.setAttribute("stroke", "none"); |
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| 163 | rn.setAttribute("stroke-opacity", 0); |
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| 164 | return this; |
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| 165 | } |
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| 166 | // normalize the stroke |
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| 167 | if(typeof stroke == "string" || lang.isArray(stroke) || stroke instanceof Color){ |
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| 168 | stroke = { color: stroke }; |
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| 169 | } |
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| 170 | var s = this.strokeStyle = g.makeParameters(g.defaultStroke, stroke); |
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| 171 | s.color = g.normalizeColor(s.color); |
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| 172 | // generate attributes |
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| 173 | if(s){ |
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| 174 | rn.setAttribute("stroke", s.color.toCss()); |
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| 175 | rn.setAttribute("stroke-opacity", s.color.a); |
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| 176 | rn.setAttribute("stroke-width", s.width); |
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| 177 | rn.setAttribute("stroke-linecap", s.cap); |
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| 178 | if(typeof s.join == "number"){ |
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| 179 | rn.setAttribute("stroke-linejoin", "miter"); |
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| 180 | rn.setAttribute("stroke-miterlimit", s.join); |
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| 181 | }else{ |
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| 182 | rn.setAttribute("stroke-linejoin", s.join); |
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| 183 | } |
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| 184 | var da = s.style.toLowerCase(); |
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| 185 | if(da in svg.dasharray){ |
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| 186 | da = svg.dasharray[da]; |
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| 187 | } |
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| 188 | if(da instanceof Array){ |
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| 189 | da = lang._toArray(da); |
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| 190 | for(var i = 0; i < da.length; ++i){ |
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| 191 | da[i] *= s.width; |
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| 192 | } |
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| 193 | if(s.cap != "butt"){ |
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| 194 | for(var i = 0; i < da.length; i += 2){ |
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| 195 | da[i] -= s.width; |
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| 196 | if(da[i] < 1){ da[i] = 1; } |
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| 197 | } |
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| 198 | for(var i = 1; i < da.length; i += 2){ |
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| 199 | da[i] += s.width; |
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| 200 | } |
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| 201 | } |
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| 202 | da = da.join(","); |
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| 203 | } |
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| 204 | rn.setAttribute("stroke-dasharray", da); |
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| 205 | rn.setAttribute("dojoGfxStrokeStyle", s.style); |
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| 206 | } |
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| 207 | return this; // self |
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| 208 | }, |
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| 209 | |
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| 210 | _getParentSurface: function(){ |
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| 211 | var surface = this.parent; |
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| 212 | for(; surface && !(surface instanceof g.Surface); surface = surface.parent); |
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| 213 | return surface; |
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| 214 | }, |
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| 215 | |
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| 216 | _setFillObject: function(f, nodeType){ |
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| 217 | var svgns = svg.xmlns.svg; |
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| 218 | this.fillStyle = f; |
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| 219 | var surface = this._getParentSurface(), |
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| 220 | defs = surface.defNode, |
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| 221 | fill = this.rawNode.getAttribute("fill"), |
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| 222 | ref = svg.getRef(fill); |
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| 223 | if(ref){ |
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| 224 | fill = ref; |
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| 225 | if(fill.tagName.toLowerCase() != nodeType.toLowerCase()){ |
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| 226 | var id = fill.id; |
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| 227 | fill.parentNode.removeChild(fill); |
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| 228 | fill = _createElementNS(svgns, nodeType); |
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| 229 | fill.setAttribute("id", id); |
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| 230 | defs.appendChild(fill); |
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| 231 | }else{ |
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| 232 | while(fill.childNodes.length){ |
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| 233 | fill.removeChild(fill.lastChild); |
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| 234 | } |
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| 235 | } |
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| 236 | }else{ |
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| 237 | fill = _createElementNS(svgns, nodeType); |
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| 238 | fill.setAttribute("id", g._base._getUniqueId()); |
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| 239 | defs.appendChild(fill); |
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| 240 | } |
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| 241 | if(nodeType == "pattern"){ |
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| 242 | fill.setAttribute("patternUnits", "userSpaceOnUse"); |
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| 243 | var img = _createElementNS(svgns, "image"); |
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| 244 | img.setAttribute("x", 0); |
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| 245 | img.setAttribute("y", 0); |
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| 246 | img.setAttribute("width", f.width .toFixed(8)); |
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| 247 | img.setAttribute("height", f.height.toFixed(8)); |
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| 248 | img.setAttributeNS(svg.xmlns.xlink, "xlink:href", f.src); |
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| 249 | fill.appendChild(img); |
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| 250 | }else{ |
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| 251 | fill.setAttribute("gradientUnits", "userSpaceOnUse"); |
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| 252 | for(var i = 0; i < f.colors.length; ++i){ |
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| 253 | var c = f.colors[i], t = _createElementNS(svgns, "stop"), |
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| 254 | cc = c.color = g.normalizeColor(c.color); |
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| 255 | t.setAttribute("offset", c.offset.toFixed(8)); |
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| 256 | t.setAttribute("stop-color", cc.toCss()); |
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| 257 | t.setAttribute("stop-opacity", cc.a); |
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| 258 | fill.appendChild(t); |
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| 259 | } |
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| 260 | } |
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| 261 | this.rawNode.setAttribute("fill", "url(#" + fill.getAttribute("id") +")"); |
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| 262 | this.rawNode.removeAttribute("fill-opacity"); |
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| 263 | this.rawNode.setAttribute("fill-rule", "evenodd"); |
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| 264 | return fill; |
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| 265 | }, |
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| 266 | |
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| 267 | _applyTransform: function() { |
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| 268 | var matrix = this.matrix; |
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| 269 | if(matrix){ |
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| 270 | var tm = this.matrix; |
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| 271 | this.rawNode.setAttribute("transform", "matrix(" + |
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| 272 | tm.xx.toFixed(8) + "," + tm.yx.toFixed(8) + "," + |
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| 273 | tm.xy.toFixed(8) + "," + tm.yy.toFixed(8) + "," + |
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| 274 | tm.dx.toFixed(8) + "," + tm.dy.toFixed(8) + ")"); |
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| 275 | }else{ |
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| 276 | this.rawNode.removeAttribute("transform"); |
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| 277 | } |
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| 278 | return this; |
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| 279 | }, |
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| 280 | |
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| 281 | setRawNode: function(rawNode){ |
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| 282 | // summary: |
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| 283 | // assigns and clears the underlying node that will represent this |
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| 284 | // shape. Once set, transforms, gradients, etc, can be applied. |
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| 285 | // (no fill & stroke by default) |
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| 286 | var r = this.rawNode = rawNode; |
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| 287 | if(this.shape.type!="image"){ |
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| 288 | r.setAttribute("fill", "none"); |
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| 289 | } |
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| 290 | r.setAttribute("fill-opacity", 0); |
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| 291 | r.setAttribute("stroke", "none"); |
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| 292 | r.setAttribute("stroke-opacity", 0); |
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| 293 | r.setAttribute("stroke-width", 1); |
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| 294 | r.setAttribute("stroke-linecap", "butt"); |
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| 295 | r.setAttribute("stroke-linejoin", "miter"); |
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| 296 | r.setAttribute("stroke-miterlimit", 4); |
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| 297 | // Bind GFX object with SVG node for ease of retrieval - that is to |
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| 298 | // save code/performance to keep this association elsewhere |
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| 299 | r.__gfxObject__ = this.getUID(); |
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| 300 | }, |
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| 301 | |
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| 302 | setShape: function(newShape){ |
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| 303 | // summary: sets a shape object (SVG) |
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| 304 | // newShape: Object: a shape object |
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| 305 | // (see dojox.gfx.defaultPath, |
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| 306 | // dojox.gfx.defaultPolyline, |
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| 307 | // dojox.gfx.defaultRect, |
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| 308 | // dojox.gfx.defaultEllipse, |
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| 309 | // dojox.gfx.defaultCircle, |
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| 310 | // dojox.gfx.defaultLine, |
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| 311 | // or dojox.gfx.defaultImage) |
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| 312 | this.shape = g.makeParameters(this.shape, newShape); |
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| 313 | for(var i in this.shape){ |
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| 314 | if(i != "type"){ |
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| 315 | this.rawNode.setAttribute(i, this.shape[i]); |
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| 316 | } |
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| 317 | } |
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| 318 | this.bbox = null; |
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| 319 | return this; // self |
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| 320 | }, |
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| 321 | |
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| 322 | // move family |
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| 323 | |
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| 324 | _moveToFront: function(){ |
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| 325 | // summary: moves a shape to front of its parent's list of shapes (SVG) |
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| 326 | this.rawNode.parentNode.appendChild(this.rawNode); |
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| 327 | return this; // self |
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| 328 | }, |
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| 329 | _moveToBack: function(){ |
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| 330 | // summary: moves a shape to back of its parent's list of shapes (SVG) |
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| 331 | this.rawNode.parentNode.insertBefore(this.rawNode, this.rawNode.parentNode.firstChild); |
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| 332 | return this; // self |
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| 333 | } |
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| 334 | }); |
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| 335 | |
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| 336 | declare("dojox.gfx.svg.Group", svg.Shape, { |
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| 337 | // summary: a group shape (SVG), which can be used |
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| 338 | // to logically group shapes (e.g, to propagate matricies) |
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| 339 | constructor: function(){ |
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| 340 | gs.Container._init.call(this); |
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| 341 | }, |
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| 342 | setRawNode: function(rawNode){ |
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| 343 | // summary: sets a raw SVG node to be used by this shape |
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| 344 | // rawNode: Node: an SVG node |
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| 345 | this.rawNode = rawNode; |
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| 346 | // Bind GFX object with SVG node for ease of retrieval - that is to |
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| 347 | // save code/performance to keep this association elsewhere |
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| 348 | this.rawNode.__gfxObject__ = this.getUID(); |
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| 349 | } |
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| 350 | }); |
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| 351 | svg.Group.nodeType = "g"; |
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| 352 | |
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| 353 | declare("dojox.gfx.svg.Rect", [svg.Shape, gs.Rect], { |
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| 354 | // summary: a rectangle shape (SVG) |
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| 355 | setShape: function(newShape){ |
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| 356 | // summary: sets a rectangle shape object (SVG) |
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| 357 | // newShape: Object: a rectangle shape object |
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| 358 | this.shape = g.makeParameters(this.shape, newShape); |
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| 359 | this.bbox = null; |
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| 360 | for(var i in this.shape){ |
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| 361 | if(i != "type" && i != "r"){ |
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| 362 | this.rawNode.setAttribute(i, this.shape[i]); |
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| 363 | } |
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| 364 | } |
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| 365 | if(this.shape.r != null){ |
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| 366 | this.rawNode.setAttribute("ry", this.shape.r); |
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| 367 | this.rawNode.setAttribute("rx", this.shape.r); |
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| 368 | } |
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| 369 | return this; // self |
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| 370 | } |
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| 371 | }); |
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| 372 | svg.Rect.nodeType = "rect"; |
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| 373 | |
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| 374 | declare("dojox.gfx.svg.Ellipse", [svg.Shape, gs.Ellipse], {}); |
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| 375 | svg.Ellipse.nodeType = "ellipse"; |
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| 376 | |
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| 377 | declare("dojox.gfx.svg.Circle", [svg.Shape, gs.Circle], {}); |
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| 378 | svg.Circle.nodeType = "circle"; |
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| 379 | |
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| 380 | declare("dojox.gfx.svg.Line", [svg.Shape, gs.Line], {}); |
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| 381 | svg.Line.nodeType = "line"; |
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| 382 | |
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| 383 | declare("dojox.gfx.svg.Polyline", [svg.Shape, gs.Polyline], { |
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| 384 | // summary: a polyline/polygon shape (SVG) |
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| 385 | setShape: function(points, closed){ |
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| 386 | // summary: sets a polyline/polygon shape object (SVG) |
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| 387 | // points: Object: a polyline/polygon shape object |
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| 388 | if(points && points instanceof Array){ |
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| 389 | // branch |
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| 390 | // points: Array: an array of points |
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| 391 | this.shape = g.makeParameters(this.shape, { points: points }); |
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| 392 | if(closed && this.shape.points.length){ |
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| 393 | this.shape.points.push(this.shape.points[0]); |
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| 394 | } |
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| 395 | }else{ |
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| 396 | this.shape = g.makeParameters(this.shape, points); |
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| 397 | } |
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| 398 | this.bbox = null; |
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| 399 | this._normalizePoints(); |
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| 400 | var attr = [], p = this.shape.points; |
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| 401 | for(var i = 0; i < p.length; ++i){ |
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| 402 | attr.push(p[i].x.toFixed(8), p[i].y.toFixed(8)); |
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| 403 | } |
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| 404 | this.rawNode.setAttribute("points", attr.join(" ")); |
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| 405 | return this; // self |
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| 406 | } |
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| 407 | }); |
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| 408 | svg.Polyline.nodeType = "polyline"; |
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| 409 | |
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| 410 | declare("dojox.gfx.svg.Image", [svg.Shape, gs.Image], { |
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| 411 | // summary: an image (SVG) |
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| 412 | setShape: function(newShape){ |
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| 413 | // summary: sets an image shape object (SVG) |
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| 414 | // newShape: Object: an image shape object |
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| 415 | this.shape = g.makeParameters(this.shape, newShape); |
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| 416 | this.bbox = null; |
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| 417 | var rawNode = this.rawNode; |
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| 418 | for(var i in this.shape){ |
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| 419 | if(i != "type" && i != "src"){ |
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| 420 | rawNode.setAttribute(i, this.shape[i]); |
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| 421 | } |
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| 422 | } |
|---|
| 423 | rawNode.setAttribute("preserveAspectRatio", "none"); |
|---|
| 424 | rawNode.setAttributeNS(svg.xmlns.xlink, "xlink:href", this.shape.src); |
|---|
| 425 | // Bind GFX object with SVG node for ease of retrieval - that is to |
|---|
| 426 | // save code/performance to keep this association elsewhere |
|---|
| 427 | rawNode.__gfxObject__ = this.getUID(); |
|---|
| 428 | return this; // self |
|---|
| 429 | } |
|---|
| 430 | }); |
|---|
| 431 | svg.Image.nodeType = "image"; |
|---|
| 432 | |
|---|
| 433 | declare("dojox.gfx.svg.Text", [svg.Shape, gs.Text], { |
|---|
| 434 | // summary: an anchored text (SVG) |
|---|
| 435 | setShape: function(newShape){ |
|---|
| 436 | // summary: sets a text shape object (SVG) |
|---|
| 437 | // newShape: Object: a text shape object |
|---|
| 438 | this.shape = g.makeParameters(this.shape, newShape); |
|---|
| 439 | this.bbox = null; |
|---|
| 440 | var r = this.rawNode, s = this.shape; |
|---|
| 441 | r.setAttribute("x", s.x); |
|---|
| 442 | r.setAttribute("y", s.y); |
|---|
| 443 | r.setAttribute("text-anchor", s.align); |
|---|
| 444 | r.setAttribute("text-decoration", s.decoration); |
|---|
| 445 | r.setAttribute("rotate", s.rotated ? 90 : 0); |
|---|
| 446 | r.setAttribute("kerning", s.kerning ? "auto" : 0); |
|---|
| 447 | r.setAttribute("text-rendering", "optimizeLegibility"); |
|---|
| 448 | |
|---|
| 449 | // update the text content |
|---|
| 450 | if(r.firstChild){ |
|---|
| 451 | r.firstChild.nodeValue = s.text; |
|---|
| 452 | }else{ |
|---|
| 453 | r.appendChild(_createTextNode(s.text)); |
|---|
| 454 | } |
|---|
| 455 | return this; // self |
|---|
| 456 | }, |
|---|
| 457 | getTextWidth: function(){ |
|---|
| 458 | // summary: get the text width in pixels |
|---|
| 459 | var rawNode = this.rawNode, |
|---|
| 460 | oldParent = rawNode.parentNode, |
|---|
| 461 | _measurementNode = rawNode.cloneNode(true); |
|---|
| 462 | _measurementNode.style.visibility = "hidden"; |
|---|
| 463 | |
|---|
| 464 | // solution to the "orphan issue" in FF |
|---|
| 465 | var _width = 0, _text = _measurementNode.firstChild.nodeValue; |
|---|
| 466 | oldParent.appendChild(_measurementNode); |
|---|
| 467 | |
|---|
| 468 | // solution to the "orphan issue" in Opera |
|---|
| 469 | // (nodeValue == "" hangs firefox) |
|---|
| 470 | if(_text!=""){ |
|---|
| 471 | while(!_width){ |
|---|
| 472 | //Yang: work around svgweb bug 417 -- http://code.google.com/p/svgweb/issues/detail?id=417 |
|---|
| 473 | if (_measurementNode.getBBox) |
|---|
| 474 | _width = parseInt(_measurementNode.getBBox().width); |
|---|
| 475 | else |
|---|
| 476 | _width = 68; |
|---|
| 477 | } |
|---|
| 478 | } |
|---|
| 479 | oldParent.removeChild(_measurementNode); |
|---|
| 480 | return _width; |
|---|
| 481 | } |
|---|
| 482 | }); |
|---|
| 483 | svg.Text.nodeType = "text"; |
|---|
| 484 | |
|---|
| 485 | declare("dojox.gfx.svg.Path", [svg.Shape, pathLib.Path], { |
|---|
| 486 | // summary: a path shape (SVG) |
|---|
| 487 | _updateWithSegment: function(segment){ |
|---|
| 488 | // summary: updates the bounding box of path with new segment |
|---|
| 489 | // segment: Object: a segment |
|---|
| 490 | this.inherited(arguments); |
|---|
| 491 | if(typeof(this.shape.path) == "string"){ |
|---|
| 492 | this.rawNode.setAttribute("d", this.shape.path); |
|---|
| 493 | } |
|---|
| 494 | }, |
|---|
| 495 | setShape: function(newShape){ |
|---|
| 496 | // summary: forms a path using a shape (SVG) |
|---|
| 497 | // newShape: Object: an SVG path string or a path object (see dojox.gfx.defaultPath) |
|---|
| 498 | this.inherited(arguments); |
|---|
| 499 | if(this.shape.path){ |
|---|
| 500 | this.rawNode.setAttribute("d", this.shape.path); |
|---|
| 501 | }else{ |
|---|
| 502 | this.rawNode.removeAttribute("d"); |
|---|
| 503 | } |
|---|
| 504 | return this; // self |
|---|
| 505 | } |
|---|
| 506 | }); |
|---|
| 507 | svg.Path.nodeType = "path"; |
|---|
| 508 | |
|---|
| 509 | declare("dojox.gfx.svg.TextPath", [svg.Shape, pathLib.TextPath], { |
|---|
| 510 | // summary: a textpath shape (SVG) |
|---|
| 511 | _updateWithSegment: function(segment){ |
|---|
| 512 | // summary: updates the bounding box of path with new segment |
|---|
| 513 | // segment: Object: a segment |
|---|
| 514 | this.inherited(arguments); |
|---|
| 515 | this._setTextPath(); |
|---|
| 516 | }, |
|---|
| 517 | setShape: function(newShape){ |
|---|
| 518 | // summary: forms a path using a shape (SVG) |
|---|
| 519 | // newShape: Object: an SVG path string or a path object (see dojox.gfx.defaultPath) |
|---|
| 520 | this.inherited(arguments); |
|---|
| 521 | this._setTextPath(); |
|---|
| 522 | return this; // self |
|---|
| 523 | }, |
|---|
| 524 | _setTextPath: function(){ |
|---|
| 525 | if(typeof this.shape.path != "string"){ return; } |
|---|
| 526 | var r = this.rawNode; |
|---|
| 527 | if(!r.firstChild){ |
|---|
| 528 | var tp = _createElementNS(svg.xmlns.svg, "textPath"), |
|---|
| 529 | tx = _createTextNode(""); |
|---|
| 530 | tp.appendChild(tx); |
|---|
| 531 | r.appendChild(tp); |
|---|
| 532 | } |
|---|
| 533 | var ref = r.firstChild.getAttributeNS(svg.xmlns.xlink, "href"), |
|---|
| 534 | path = ref && svg.getRef(ref); |
|---|
| 535 | if(!path){ |
|---|
| 536 | var surface = this._getParentSurface(); |
|---|
| 537 | if(surface){ |
|---|
| 538 | var defs = surface.defNode; |
|---|
| 539 | path = _createElementNS(svg.xmlns.svg, "path"); |
|---|
| 540 | var id = g._base._getUniqueId(); |
|---|
| 541 | path.setAttribute("id", id); |
|---|
| 542 | defs.appendChild(path); |
|---|
| 543 | r.firstChild.setAttributeNS(svg.xmlns.xlink, "xlink:href", "#" + id); |
|---|
| 544 | } |
|---|
| 545 | } |
|---|
| 546 | if(path){ |
|---|
| 547 | path.setAttribute("d", this.shape.path); |
|---|
| 548 | } |
|---|
| 549 | }, |
|---|
| 550 | _setText: function(){ |
|---|
| 551 | var r = this.rawNode; |
|---|
| 552 | if(!r.firstChild){ |
|---|
| 553 | var tp = _createElementNS(svg.xmlns.svg, "textPath"), |
|---|
| 554 | tx = _createTextNode(""); |
|---|
| 555 | tp.appendChild(tx); |
|---|
| 556 | r.appendChild(tp); |
|---|
| 557 | } |
|---|
| 558 | r = r.firstChild; |
|---|
| 559 | var t = this.text; |
|---|
| 560 | r.setAttribute("alignment-baseline", "middle"); |
|---|
| 561 | switch(t.align){ |
|---|
| 562 | case "middle": |
|---|
| 563 | r.setAttribute("text-anchor", "middle"); |
|---|
| 564 | r.setAttribute("startOffset", "50%"); |
|---|
| 565 | break; |
|---|
| 566 | case "end": |
|---|
| 567 | r.setAttribute("text-anchor", "end"); |
|---|
| 568 | r.setAttribute("startOffset", "100%"); |
|---|
| 569 | break; |
|---|
| 570 | default: |
|---|
| 571 | r.setAttribute("text-anchor", "start"); |
|---|
| 572 | r.setAttribute("startOffset", "0%"); |
|---|
| 573 | break; |
|---|
| 574 | } |
|---|
| 575 | //r.parentNode.setAttribute("alignment-baseline", "central"); |
|---|
| 576 | //r.setAttribute("dominant-baseline", "central"); |
|---|
| 577 | r.setAttribute("baseline-shift", "0.5ex"); |
|---|
| 578 | r.setAttribute("text-decoration", t.decoration); |
|---|
| 579 | r.setAttribute("rotate", t.rotated ? 90 : 0); |
|---|
| 580 | r.setAttribute("kerning", t.kerning ? "auto" : 0); |
|---|
| 581 | r.firstChild.data = t.text; |
|---|
| 582 | } |
|---|
| 583 | }); |
|---|
| 584 | svg.TextPath.nodeType = "text"; |
|---|
| 585 | |
|---|
| 586 | declare("dojox.gfx.svg.Surface", gs.Surface, { |
|---|
| 587 | // summary: a surface object to be used for drawings (SVG) |
|---|
| 588 | constructor: function(){ |
|---|
| 589 | gs.Container._init.call(this); |
|---|
| 590 | }, |
|---|
| 591 | destroy: function(){ |
|---|
| 592 | this.defNode = null; // release the external reference |
|---|
| 593 | this.inherited(arguments); |
|---|
| 594 | }, |
|---|
| 595 | setDimensions: function(width, height){ |
|---|
| 596 | // summary: sets the width and height of the rawNode |
|---|
| 597 | // width: String: width of surface, e.g., "100px" |
|---|
| 598 | // height: String: height of surface, e.g., "100px" |
|---|
| 599 | if(!this.rawNode){ return this; } |
|---|
| 600 | this.rawNode.setAttribute("width", width); |
|---|
| 601 | this.rawNode.setAttribute("height", height); |
|---|
| 602 | return this; // self |
|---|
| 603 | }, |
|---|
| 604 | getDimensions: function(){ |
|---|
| 605 | // summary: returns an object with properties "width" and "height" |
|---|
| 606 | var t = this.rawNode ? { |
|---|
| 607 | width: g.normalizedLength(this.rawNode.getAttribute("width")), |
|---|
| 608 | height: g.normalizedLength(this.rawNode.getAttribute("height"))} : null; |
|---|
| 609 | return t; // Object |
|---|
| 610 | } |
|---|
| 611 | }); |
|---|
| 612 | |
|---|
| 613 | svg.createSurface = function(parentNode, width, height){ |
|---|
| 614 | // summary: creates a surface (SVG) |
|---|
| 615 | // parentNode: Node: a parent node |
|---|
| 616 | // width: String: width of surface, e.g., "100px" |
|---|
| 617 | // height: String: height of surface, e.g., "100px" |
|---|
| 618 | |
|---|
| 619 | var s = new svg.Surface(); |
|---|
| 620 | s.rawNode = _createElementNS(svg.xmlns.svg, "svg"); |
|---|
| 621 | s.rawNode.setAttribute("overflow", "hidden"); |
|---|
| 622 | if(width){ |
|---|
| 623 | s.rawNode.setAttribute("width", width); |
|---|
| 624 | } |
|---|
| 625 | if(height){ |
|---|
| 626 | s.rawNode.setAttribute("height", height); |
|---|
| 627 | } |
|---|
| 628 | |
|---|
| 629 | var defNode = _createElementNS(svg.xmlns.svg, "defs"); |
|---|
| 630 | s.rawNode.appendChild(defNode); |
|---|
| 631 | s.defNode = defNode; |
|---|
| 632 | |
|---|
| 633 | s._parent = dom.byId(parentNode); |
|---|
| 634 | s._parent.appendChild(s.rawNode); |
|---|
| 635 | |
|---|
| 636 | return s; // dojox.gfx.Surface |
|---|
| 637 | }; |
|---|
| 638 | |
|---|
| 639 | // Extenders |
|---|
| 640 | |
|---|
| 641 | var Font = { |
|---|
| 642 | _setFont: function(){ |
|---|
| 643 | // summary: sets a font object (SVG) |
|---|
| 644 | var f = this.fontStyle; |
|---|
| 645 | // next line doesn't work in Firefox 2 or Opera 9 |
|---|
| 646 | //this.rawNode.setAttribute("font", dojox.gfx.makeFontString(this.fontStyle)); |
|---|
| 647 | this.rawNode.setAttribute("font-style", f.style); |
|---|
| 648 | this.rawNode.setAttribute("font-variant", f.variant); |
|---|
| 649 | this.rawNode.setAttribute("font-weight", f.weight); |
|---|
| 650 | this.rawNode.setAttribute("font-size", f.size); |
|---|
| 651 | this.rawNode.setAttribute("font-family", f.family); |
|---|
| 652 | } |
|---|
| 653 | }; |
|---|
| 654 | |
|---|
| 655 | var C = gs.Container, Container = { |
|---|
| 656 | openBatch: function() { |
|---|
| 657 | // summary: starts a new batch, subsequent new child shapes will be held in |
|---|
| 658 | // the batch instead of appending to the container directly |
|---|
| 659 | this.fragment = _createFragment(); |
|---|
| 660 | }, |
|---|
| 661 | closeBatch: function() { |
|---|
| 662 | // summary: submits the current batch, append all pending child shapes to DOM |
|---|
| 663 | if (this.fragment) { |
|---|
| 664 | this.rawNode.appendChild(this.fragment); |
|---|
| 665 | delete this.fragment; |
|---|
| 666 | } |
|---|
| 667 | }, |
|---|
| 668 | add: function(shape){ |
|---|
| 669 | // summary: adds a shape to a group/surface |
|---|
| 670 | // shape: dojox.gfx.Shape: an VML shape object |
|---|
| 671 | if(this != shape.getParent()){ |
|---|
| 672 | if (this.fragment) { |
|---|
| 673 | this.fragment.appendChild(shape.rawNode); |
|---|
| 674 | } else { |
|---|
| 675 | this.rawNode.appendChild(shape.rawNode); |
|---|
| 676 | } |
|---|
| 677 | C.add.apply(this, arguments); |
|---|
| 678 | } |
|---|
| 679 | return this; // self |
|---|
| 680 | }, |
|---|
| 681 | remove: function(shape, silently){ |
|---|
| 682 | // summary: remove a shape from a group/surface |
|---|
| 683 | // shape: dojox.gfx.Shape: an VML shape object |
|---|
| 684 | // silently: Boolean?: if true, regenerate a picture |
|---|
| 685 | if(this == shape.getParent()){ |
|---|
| 686 | if(this.rawNode == shape.rawNode.parentNode){ |
|---|
| 687 | this.rawNode.removeChild(shape.rawNode); |
|---|
| 688 | } |
|---|
| 689 | if(this.fragment && this.fragment == shape.rawNode.parentNode){ |
|---|
| 690 | this.fragment.removeChild(shape.rawNode); |
|---|
| 691 | } |
|---|
| 692 | C.remove.apply(this, arguments); |
|---|
| 693 | } |
|---|
| 694 | return this; // self |
|---|
| 695 | }, |
|---|
| 696 | clear: function(){ |
|---|
| 697 | // summary: removes all shapes from a group/surface |
|---|
| 698 | var r = this.rawNode; |
|---|
| 699 | while(r.lastChild){ |
|---|
| 700 | r.removeChild(r.lastChild); |
|---|
| 701 | } |
|---|
| 702 | var defNode = this.defNode; |
|---|
| 703 | if(defNode){ |
|---|
| 704 | while(defNode.lastChild){ |
|---|
| 705 | defNode.removeChild(defNode.lastChild); |
|---|
| 706 | } |
|---|
| 707 | r.appendChild(defNode); |
|---|
| 708 | } |
|---|
| 709 | return C.clear.apply(this, arguments); |
|---|
| 710 | }, |
|---|
| 711 | _moveChildToFront: C._moveChildToFront, |
|---|
| 712 | _moveChildToBack: C._moveChildToBack |
|---|
| 713 | }; |
|---|
| 714 | |
|---|
| 715 | var Creator = { |
|---|
| 716 | // summary: SVG shape creators |
|---|
| 717 | createObject: function(shapeType, rawShape){ |
|---|
| 718 | // summary: creates an instance of the passed shapeType class |
|---|
| 719 | // shapeType: Function: a class constructor to create an instance of |
|---|
| 720 | // rawShape: Object: properties to be passed in to the classes "setShape" method |
|---|
| 721 | if(!this.rawNode){ return null; } |
|---|
| 722 | var shape = new shapeType(), |
|---|
| 723 | node = _createElementNS(svg.xmlns.svg, shapeType.nodeType); |
|---|
| 724 | |
|---|
| 725 | shape.setRawNode(node); |
|---|
| 726 | shape.setShape(rawShape); |
|---|
| 727 | // rawNode.appendChild() will be done inside this.add(shape) below |
|---|
| 728 | this.add(shape); |
|---|
| 729 | return shape; // dojox.gfx.Shape |
|---|
| 730 | } |
|---|
| 731 | }; |
|---|
| 732 | |
|---|
| 733 | lang.extend(svg.Text, Font); |
|---|
| 734 | lang.extend(svg.TextPath, Font); |
|---|
| 735 | |
|---|
| 736 | lang.extend(svg.Group, Container); |
|---|
| 737 | lang.extend(svg.Group, gs.Creator); |
|---|
| 738 | lang.extend(svg.Group, Creator); |
|---|
| 739 | |
|---|
| 740 | lang.extend(svg.Surface, Container); |
|---|
| 741 | lang.extend(svg.Surface, gs.Creator); |
|---|
| 742 | lang.extend(svg.Surface, Creator); |
|---|
| 743 | |
|---|
| 744 | // Mouse/Touch event |
|---|
| 745 | svg.fixTarget = function(event, gfxElement) { |
|---|
| 746 | // summary: |
|---|
| 747 | // Adds the gfxElement to event.gfxTarget if none exists. This new |
|---|
| 748 | // property will carry the GFX element associated with this event. |
|---|
| 749 | // event: Object |
|---|
| 750 | // The current input event (MouseEvent or TouchEvent) |
|---|
| 751 | // gfxElement: Object |
|---|
| 752 | // The GFX target element |
|---|
| 753 | if (!event.gfxTarget) { |
|---|
| 754 | if (safMobile && event.target.wholeText) { |
|---|
| 755 | // Workaround iOS bug when touching text nodes |
|---|
| 756 | event.gfxTarget = gs.byId(event.target.parentElement.__gfxObject__); |
|---|
| 757 | } else { |
|---|
| 758 | event.gfxTarget = gs.byId(event.target.__gfxObject__); |
|---|
| 759 | } |
|---|
| 760 | } |
|---|
| 761 | return true; |
|---|
| 762 | }; |
|---|
| 763 | |
|---|
| 764 | // some specific override for svgweb + flash |
|---|
| 765 | if(svg.useSvgWeb){ |
|---|
| 766 | // override createSurface() |
|---|
| 767 | svg.createSurface = function(parentNode, width, height){ |
|---|
| 768 | var s = new svg.Surface(); |
|---|
| 769 | |
|---|
| 770 | // ensure width / height |
|---|
| 771 | if(!width || !height){ |
|---|
| 772 | var pos = domGeom.position(parentNode); |
|---|
| 773 | width = width || pos.w; |
|---|
| 774 | height = height || pos.h; |
|---|
| 775 | } |
|---|
| 776 | |
|---|
| 777 | // ensure id |
|---|
| 778 | parentNode = dom.byId(parentNode); |
|---|
| 779 | var id = parentNode.id ? parentNode.id+'_svgweb' : g._base._getUniqueId(); |
|---|
| 780 | |
|---|
| 781 | // create dynamic svg root |
|---|
| 782 | var mockSvg = _createElementNS(svg.xmlns.svg, 'svg'); |
|---|
| 783 | mockSvg.id = id; |
|---|
| 784 | mockSvg.setAttribute('width', width); |
|---|
| 785 | mockSvg.setAttribute('height', height); |
|---|
| 786 | svgweb.appendChild(mockSvg, parentNode); |
|---|
| 787 | |
|---|
| 788 | // notice: any call to the raw node before flash init will fail. |
|---|
| 789 | mockSvg.addEventListener('SVGLoad', function(){ |
|---|
| 790 | // become loaded |
|---|
| 791 | s.rawNode = this; |
|---|
| 792 | s.isLoaded = true; |
|---|
| 793 | |
|---|
| 794 | // init defs |
|---|
| 795 | var defNode = _createElementNS(svg.xmlns.svg, "defs"); |
|---|
| 796 | s.rawNode.appendChild(defNode); |
|---|
| 797 | s.defNode = defNode; |
|---|
| 798 | |
|---|
| 799 | // notify application |
|---|
| 800 | if (s.onLoad) |
|---|
| 801 | s.onLoad(s); |
|---|
| 802 | }, false); |
|---|
| 803 | |
|---|
| 804 | // flash not loaded yet |
|---|
| 805 | s.isLoaded = false; |
|---|
| 806 | return s; |
|---|
| 807 | }; |
|---|
| 808 | |
|---|
| 809 | // override Surface.destroy() |
|---|
| 810 | svg.Surface.extend({ |
|---|
| 811 | destroy: function(){ |
|---|
| 812 | var mockSvg = this.rawNode; |
|---|
| 813 | svgweb.removeChild(mockSvg, mockSvg.parentNode); |
|---|
| 814 | } |
|---|
| 815 | }); |
|---|
| 816 | |
|---|
| 817 | // override connect() & disconnect() for Shape & Surface event processing |
|---|
| 818 | var _eventsProcessing = { |
|---|
| 819 | connect: function(name, object, method){ |
|---|
| 820 | // connect events using the mock addEventListener() provided by svgweb |
|---|
| 821 | if (name.substring(0, 2)==='on') { name = name.substring(2); } |
|---|
| 822 | if (arguments.length == 2) { |
|---|
| 823 | method = object; |
|---|
| 824 | } else { |
|---|
| 825 | method = lang.hitch(object, method); |
|---|
| 826 | } |
|---|
| 827 | this.getEventSource().addEventListener(name, method, false); |
|---|
| 828 | return [this, name, method]; |
|---|
| 829 | }, |
|---|
| 830 | disconnect: function(token){ |
|---|
| 831 | // disconnect events using the mock removeEventListener() provided by svgweb |
|---|
| 832 | this.getEventSource().removeEventListener(token[1], token[2], false); |
|---|
| 833 | delete token[0]; |
|---|
| 834 | } |
|---|
| 835 | }; |
|---|
| 836 | |
|---|
| 837 | lang.extend(svg.Shape, _eventsProcessing); |
|---|
| 838 | lang.extend(svg.Surface, _eventsProcessing); |
|---|
| 839 | } |
|---|
| 840 | |
|---|
| 841 | return svg; |
|---|
| 842 | }); |
|---|
