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<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" >
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<head>
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<title>Inspect DojoX GFX JSON</title>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<style type="text/css">
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@import "../../../dojo/resources/dojo.css";
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@import "../../../dijit/tests/css/dijitTests.css";
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td.cell { padding: 1em 1em 0em 0em; }
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td.note { font-size: 80%; }
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</style>
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<!--
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The next line should include Microsoft's Silverligth.js, if you plan to use the silverlight backend
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<script type="text/javascript" src="Silverlight.js"></script>
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-->
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<script type="text/javascript" src="../../../dojo/dojo.js"></script>
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<script type="text/javascript">
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dojo.require("dojox.gfx");
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dojo.require("dojox.gfx.move");
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dojo.require("dojox.gfx.utils");
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surface = null;
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container_pos = null;
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mover = null;
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init = function(){
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// initialize graphics
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var container = dojo.byId("gfx");
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surface = dojox.gfx.createSurface(container, 500, 500);
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container_pos = dojo.coords(container, true);
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// wire UI
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dojo.connect(dojo.byId("load"), "onclick", onLoad);
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dojo.connect(dojo.byId("add"), "onclick", onAdd);
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// handle moves
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dojo.subscribe("/gfx/move/start", function(m){ mover = m; });
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dojo.subscribe("/gfx/move/stop", function(){ mover = null; });
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// handle shape operations
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dojo.connect(document, "onkeydown", onKeyDown);
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// cancel text selection and text dragging
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dojo.connect(container, "ondragstart", dojo, "stopEvent");
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dojo.connect(container, "onselectstart", dojo, "stopEvent");
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};
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onLoad = function(){
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var s = dojo.byId("source");
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if(!s.value){
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alert("Name of the file is required.");
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return;
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}
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dojo.xhrGet({
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url: s.value,
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preventCache: true,
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handleAs: "json",
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load: loadObjects,
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error: function(r){ alert("Error: " + r); }
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});
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};
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mainObject = null;
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names = [];
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loadObjects = function(r){
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if(!r){
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alert("Wrong JSON object. Did you type the file name correctly?");
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return;
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}
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mainObject = r;
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// clear old object names
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names = [];
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var s = dojo.byId("names"), ni = dojo.byId("names_info");
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ni.innerHTML = "";
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while(s.childNodes.length){ s.removeChild(s.lastChild); }
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// find new names
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findNames(s, dojo.byId("named").checked, "", mainObject);
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ni.innerHTML = " (" + names.length + ")";
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};
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findNames = function(selector, named_only, prefix, o){
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if(o instanceof Array){
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for(var i = 0; i < o.length; ++i){
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findNames(selector, named_only, prefix, o[i]);
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}
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return;
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}
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if(named_only && !("name" in o)) return;
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var name = ("name" in o) ? o.name : "*",
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full = prefix ? prefix + "/" + name : name,
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opt = document.createElement("option");
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opt.value = names.length;
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opt.innerHTML = full;
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names.push(o);
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selector.appendChild(opt);
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if("children" in o){
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findNames(selector, named_only, full, o.children);
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}
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};
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onAdd = function(){
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var s = dojo.byId("names");
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for(var i = 0; i < s.options.length; ++i){
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var opt = s.options[i];
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if(!opt.selected) continue;
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var object = names[Number(opt.value)];
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var group = surface.createGroup();
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dojox.gfx.utils.deserialize(group, object);
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new dojox.gfx.Moveable(group); // make it moveable as whole
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}
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};
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// event handling
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onKeyDown = function(e){
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if(!mover) return;
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switch(e.keyCode){
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case "f".charCodeAt(0): case "F".charCodeAt(0):
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mover.shape.moveToFront();
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break;
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case "b".charCodeAt(0): case "B".charCodeAt(0):
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mover.shape.moveToBack();
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break;
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case "q".charCodeAt(0): case "Q".charCodeAt(0):
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mover.shape.applyLeftTransform(dojox.gfx.matrix.rotategAt(-15, mover.lastX - container_pos.x, mover.lastY - container_pos.y));
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break;
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case "w".charCodeAt(0): case "W".charCodeAt(0):
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mover.shape.applyLeftTransform(dojox.gfx.matrix.rotategAt(15, mover.lastX - container_pos.x, mover.lastY - container_pos.y));
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break;
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case "d".charCodeAt(0): case "D".charCodeAt(0):
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mover.shape.parent.remove(mover.shape);
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mover.shape.rawNode = null;
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mover.destroy();
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break;
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}
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dojo.stopEvent(e);
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};
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dojo.addOnLoad(init);
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</script>
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</head>
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<body>
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<h1>Inspect DojoX GFX JSON</h1>
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<p>Help: load a file, select an object, and add it, move it around, or apply operations to selected items:<br />
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F — bring to front, B — bring to back, Q — rotate CCW, W — rotate CW, D — delete.<br />
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(all operations work on currently dragged item).</p>
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<p><strong>VML note:</strong> VML doesn't process PNG images with opacity correctly.</p>
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<table><tr>
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<td align="left" valign="top" class="cell"><div id="gfx" style="width: 500px; height: 500px; border: solid 1px black;"></div></td>
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<td align="left" valign="top" class="cell"><table>
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<tr><td>Source:</td></tr>
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<tr><td><input type="text" id="source" value="data/Lars.json" size="30" /> <button id="load">Load</button><br />
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<input type="checkbox" id="named" checked="checked" /> <label for="named">Load only named objects</label></td></tr>
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<tr><td class="note"><em>Available sources:</em></td></tr>
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<tr><td class="note"><em>data/Lars.json — vectors from SVG</em></td></tr>
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<tr><td class="note"><em>data/Nils.json — vectors from SVG</em></td></tr>
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<tr><td class="note"><em>data/LarsDreaming.json — vectors from SVG</em></td></tr>
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<tr><td class="note"><em>data/buratino.json — images</em></td></tr>
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<tr><td class="note"><em>data/transform.json — from dojox.gfx</em></td></tr>
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<tr><td> </td></tr>
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<tr><td>Objects<span id="names_info"></span>:</td></tr>
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<tr><td><select id="names" multiple="multiple" size="10" style="width: 300px;"></select></td></tr>
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<tr><td><button id="add">Add Selected</button></td></tr>
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<tr><td class="note"><div style="width: 300px;">Object names are hierarchical and separated by "/". Adding a selected object creates a group for this object.
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A higher-level object (a group) always includes lower-level objects as children.</div></td></tr>
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</table></td>
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</tr></table>
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</body>
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</html>
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