Merge branch 'bzr/golem' of /Users/distler/Sites/code/instiki

2010-02-05 23:19:19 -06:00 · 2010-02-05 23:19:19 -06:00 · 459891b6c9
parent 7249c074b0 bad5beec29
commit 459891b6c9
9 changed files with 390 additions and 61 deletions
--- a/public/javascripts/page_helper.js
+++ b/public/javascripts/page_helper.js
@ -87,6 +87,7 @@ function setupSVGedit(path){
      } else {
         var editor = window.open(path, 'Spoons!');      
      }
+      editor.focus();
    });
  }   
  var t = $('content');
@ -131,6 +132,9 @@ function setupSVGedit(path){
  Event.observe(window, "message", function(event){
    if(event.origin !== my_loc) { return;}
    t.value = before + event.data + after;
+    t.focus();
+    SVGeditButton.disabled = true;
+    SVGeditButton.value = 'Create SVG graphic';      
  });  
 }

--- a/public/svg-edit/editor/locale/lang.hi.js
+++ b/public/svg-edit/editor/locale/lang.hi.js
@ -127,7 +127,7 @@
 {"id": "tool_zoom", "title": "ज़ूम उपकरण"},
 {"id": "zoom", "title": "बदलें स्तर ज़ूम"},
 {"id": "zoomLabel", "textContent": "जूम:"},
-{"id": "sidepanel_handle", "textContent": "परतें", "title": "दायें/बाएं घसीट कर आकार बदलें"},
+{"id": "sidepanel_handle","textContent":"प र तें","title":"दायें/बाएं घसीट कर आकार बदलें"},
 {
 "js_strings": {
  "QerrorsRevertToSource": "आपके एस.वी.जी. स्रोत में त्रुटियों थी.\nक्या आप मूल एस.वी.जी स्रोत पर वापिस जाना चाहते हैं?", 
--- a/public/svg-edit/editor/locale/lang.zh-TW.js
+++ b/public/svg-edit/editor/locale/lang.zh-TW.js
@ -87,12 +87,12 @@
 {"id":"tool_aligntop","title":"頂端對齊"},
 {"id":"tool_bold","title":"粗體"},
 {"id":"tool_circle","title":"圓"},
-{"id":"tool_clear","title":"清空圖像"},
+{"id":"tool_clear","textContent":"清空圖像"},
 {"id":"tool_clone","title":"複製"},
 {"id":"tool_clone_multi","title":"複製所選元素"},
 {"id":"tool_delete","title":"刪除"},
 {"id":"tool_delete_multi","title":"刪除所選元素"},
-{"id":"tool_docprops","title":"文件屬性"},
+{"id":"tool_docprops","textContent":"文件屬性"},
 {"id":"tool_docprops_cancel","textContent":"取消"},
 {"id":"tool_docprops_save","textContent":"保存"},
 {"id":"tool_ellipse","title":"橢圓"},
@ -108,12 +108,12 @@
 {"id":"tool_node_clone","title":"增加節點"},
 {"id":"tool_node_delete","title":"刪除節點"},
 {"id":"tool_node_link","title":"將控制點連起來"},
-{"id":"tool_open","title":"打開圖像"},
+{"id":"tool_open","textContent":"打開圖像"},
 {"id":"tool_path","title":"路徑工具"},
 {"id":"tool_rect","title":"矩形"},
 {"id":"tool_redo","title":"復原"},
 {"id":"tool_reorient","title":"調整路徑"},
-{"id":"tool_save","title":"保存圖像"},
+{"id":"tool_save","textContent":"保存圖像"},
 {"id":"tool_select","title":"選擇工具"},
 {"id":"tool_source","title":"編輯SVG原始碼"},
 {"id":"tool_source_cancel","textContent":"取消"},
@ -125,8 +125,6 @@
 {"id":"tool_ungroup","title":"取消群組"},
 {"id":"tool_wireframe","title":"框線模式（只瀏覽線條）"},
 {"id":"tool_zoom","title":"縮放工具"},
-{"id":"tools_ellipse_show","title":"橢圓/圓工具"},
-{"id":"tools_rect_show","title":"矩形/方形工具"},
 {"id":"zoom","title":"更改縮放級別"},
 {"id":"zoomLabel","textContent":"調整頁面大小:"},
 {"id":"sidepanel_handle","textContent":"圖層","title":"拖拉以改變側邊面板的大小"},
--- a/public/svg-edit/editor/svg-editor.js
+++ b/public/svg-edit/editor/svg-editor.js
@ -179,7 +179,6 @@ function svg_edit_setup() {
 	// https://bugzilla.mozilla.org/show_bug.cgi?id=308590
 	var saveHandler = function(window,svg) {
 	    window.opener.postMessage(svg, window.location.protocol + '//' + window.location.host);
-//		window.open("data:image/svg+xml;base64," + Utils.encode64(svg));
 	};
 	
 	// called when we've selected a different element
@ -383,12 +382,23 @@ function svg_edit_setup() {
 	}
 	
 	var extAdded = function(window, ext) {
-		if("buttons" in ext) {
+
+		var cb_called = false;
+		
+		var runCallback = function() {
+			if(ext.callback && !cb_called) {
+				cb_called = true;
+				ext.callback();
+			}
+		}
+	
+		if(ext.buttons) {
 			var fallback_obj = {},
 				placement_obj = {},
 				svgicons = ext.svgicons;
 		
 			var holders = {};
+			
 		
 			// Add buttons given by extension
 			$.each(ext.buttons, function(i, btn) {
@ -515,10 +525,70 @@ function svg_edit_setup() {
 					 	setIconSize('m');
 					 	setIconSize(old);
 					}
+					runCallback();
 				}
 		
 			});
 		}
+		if(ext.context_tools) {
+			$.each(ext.context_tools, function(i, tool) {
+				// Add select tool
+				var cont_id = tool.container_id?(' id="' + tool.container_id + '"'):"";
+				
+				var panel = $('#' + tool.panel);
+				
+				if(!panel.length) {
+					panel = $('<div>', {id: tool.panel}).appendTo("#tools_top");
+				}
+				
+				// TODO: Allow support for other types, or adding to existing tool
+				switch (tool.type) {
+				case 'select':
+					var html = '<label' + cont_id + '>'
+						+ '<select id="' + tool.id + '">';
+					$.each(tool.options, function(val, text) {
+						var sel = (val == tool.defval) ? " selected":"";
+						html += '<option value="'+val+'"' + sel + '>' + text + '</option>';
+					});
+					html += "</select></label>";
+					// Creates the tool, hides & adds it, returns the select element
+					var sel = $(html).appendTo(panel).find('select');
+					
+					$.each(tool.events, function(evt, func) {
+						$(sel).bind(evt, func);
+					});
+					break;
+				
+				case 'input':
+					var html = '<label' + cont_id + '">'
+						+ '<span id="' + tool.id + '_label">' 
+						+ tool.label + ':</span>'
+						+ '<input id="' + tool.id + '" title="' + tool.title
+						+ '" size="' + (tool.size || "4") + '" value="' + (tool.defval || "") + '" type="text"/></label>'
+						
+					// Creates the tool, hides & adds it, returns the select element
+					
+					// Add to given tool.panel
+					var inp = $(html).appendTo(panel).find('input');
+					
+					if(tool.spindata) {
+						inp.SpinButton(tool.spindata);
+					}
+					
+					if(tool.events) {
+						$.each(tool.events, function(evt, func) {
+							$(sel).bind(evt, func);
+						});
+					}
+					break;
+					
+				default:
+					break;
+				}
+			});
+		}
+		
+		runCallback();
 	};
 	
 	var getPaint = function(color, opac) {
@ -1865,7 +1935,7 @@ function svg_edit_setup() {
 		var bNoFill = (svgCanvas.getFillColor() == 'none');
 		var bNoStroke = (svgCanvas.getStrokeColor() == 'none');
 		var buttonsNeedingStroke = [ '#tool_fhpath', '#tool_line' ];
-		var buttonsNeedingFillAndStroke = [ '#tools_rect .tool_button', '#tools_ellipse .tool_button', '#tool_text' ];
+		var buttonsNeedingFillAndStroke = [ '#tools_rect .tool_button', '#tools_ellipse .tool_button', '#tool_text', '#tool_path'];
 		if (bNoStroke) {
 			for (index in buttonsNeedingStroke) {
 				var button = buttonsNeedingStroke[index];
@ -2634,7 +2704,7 @@ function svg_edit_setup() {
 		updateCanvas(true);
 	});
 	
-//	var revnums = "svg-editor.js ($Rev: 1342 $) ";
+//	var revnums = "svg-editor.js ($Rev: 1347 $) ";
 //	revnums += svgCanvas.getVersion();
 //	$('#copyright')[0].setAttribute("title", revnums);
 	return svgCanvas;
--- a/public/svg-edit/editor/svgcanvas.js
+++ b/public/svg-edit/editor/svgcanvas.js
@ -984,27 +984,6 @@ function BatchCommand(text) {
 		return result;
 	}
 	
-	this.addExtension = function(name, ext_func) {
-		if(!(name in extensions)) {
-			// Provide constants here (or should these be accessed through getSomething()?
-			var ext = ext_func({
-				content: svgcontent,
-				root: svgroot,
-				call: call,
-				getNextId: getNextId,
-				getElem: getElem,
-				addSvgElementFromJson: addSvgElementFromJson,
-				selectorManager: selectorManager,
-				findDefs: findDefs,
-				recalculateDimensions: recalculateDimensions
-			});
-			extensions[name] = ext;
-			call("extension_added", ext);
-		} else {
-			console.log('Cannot add extension "' + name + '", an extension by that name already exists"');
-		}
-	};
-
 	// This method rounds the incoming value to the nearest value based on the current_zoom
 	var round = function(val){
 		return parseInt(val*current_zoom)/current_zoom;
@ -2322,6 +2301,51 @@ function BatchCommand(text) {
 		return (m.a == 1 && m.b == 0 && m.c == 0 && m.d == 1 && m.e == 0 && m.f == 0);
 	}
 	
+	// expects three points to be sent, each point must have an x,y field
+	// returns an array of two points that are the smoothed
+	this.smoothControlPoints = function(ct1, ct2, pt) {
+		// each point must not be the origin
+		var x1 = ct1.x - pt.x,
+			y1 = ct1.y - pt.y,
+			x2 = ct2.x - pt.x,
+			y2 = ct2.y - pt.y;
+			
+		if ( (x1 != 0 || y1 != 0) && (x2 != 0 || y2 != 0) ) {
+			var anglea = Math.atan2(y1,x1),
+				angleb = Math.atan2(y2,x2),
+				r1 = Math.sqrt(x1*x1+y1*y1),
+				r2 = Math.sqrt(x2*x2+y2*y2),
+				nct1 = svgroot.createSVGPoint(),
+				nct2 = svgroot.createSVGPoint();				
+			if (anglea < 0) { anglea += 2*Math.PI; }
+			if (angleb < 0) { angleb += 2*Math.PI; }
+			
+			var angleBetween = Math.abs(anglea - angleb),
+				angleDiff = Math.abs(Math.PI - angleBetween)/2;
+			
+			var new_anglea, new_angleb;
+			if (anglea - angleb > 0) {
+				new_anglea = angleBetween < Math.PI ? (anglea + angleDiff) : (anglea - angleDiff);
+				new_angleb = angleBetween < Math.PI ? (angleb - angleDiff) : (angleb + angleDiff);
+			}
+			else {
+				new_anglea = angleBetween < Math.PI ? (anglea - angleDiff) : (anglea + angleDiff);
+				new_angleb = angleBetween < Math.PI ? (angleb + angleDiff) : (angleb - angleDiff);
+			}
+			
+			// rotate the points
+			nct1.x = r1 * Math.cos(new_anglea) + pt.x;
+			nct1.y = r1 * Math.sin(new_anglea) + pt.y;
+			nct2.x = r2 * Math.cos(new_angleb) + pt.x;
+			nct2.y = r2 * Math.sin(new_angleb) + pt.y;
+			
+			return [nct1, nct2];
+		}
+		return undefined;
+	};
+	var smoothControlPoints = this.smoothControlPoints;
+		
+
 	// matrixMultiply() is provided because WebKit didn't implement multiply() correctly
 	// on the SVGMatrix interface.  See https://bugs.webkit.org/show_bug.cgi?id=16062
 	// This function tries to return a SVGMatrix that is the multiplication m1*m2.
@ -3521,6 +3545,18 @@ function BatchCommand(text) {
 			var N = points.numberOfItems;
 			if (N >= 4) {
 				// loop through every 3 points and convert to a cubic bezier curve segment
+				// 
+				// NOTE: this is cheating, it means that every 3 points has the potential to 
+				// be a corner instead of treating each point in an equal manner.  In general,
+				// this technique does not look that good.
+				// 
+				// I am open to better ideas!
+				// 
+				// Reading:
+				// - http://www.efg2.com/Lab/Graphics/Jean-YvesQueinecBezierCurves.htm
+				// - http://www.codeproject.com/KB/graphics/BezierSpline.aspx?msg=2956963
+				// - http://www.ian-ko.com/ET_GeoWizards/UserGuide/smooth.htm
+				// - http://www.cs.mtu.edu/~shene/COURSES/cs3621/NOTES/spline/Bezier/bezier-der.html
 				var curpos = points.getItem(0), prevCtlPt = null;
 				var d = [];
 				d.push(["M",curpos.x,",",curpos.y," C"].join(""));
@ -3532,7 +3568,14 @@ function BatchCommand(text) {
 					// if the previous segment had a control point, we want to smooth out
 					// the control points on both sides
 					if (prevCtlPt) {
-						// TODO: fancy processing here :)
+						var newpts = smoothControlPoints( prevCtlPt, ct1, curpos );
+						if (newpts && newpts.length == 2) {
+							var prevArr = d[d.length-1].split(',');
+							prevArr[2] = newpts[0].x;
+							prevArr[3] = newpts[0].y;
+							d[d.length-1] = prevArr.join(',');
+							ct1 = newpts[1];
+						}
 					}
 					
 					d.push([ct1.x,ct1.y,ct2.x,ct2.y,end.x,end.y].join(','));
@ -5223,9 +5266,8 @@ function BatchCommand(text) {
 		if(opts) $.extend(save_options, opts);
 		save_options.apply = true;
 		
-		var str = "<?xml version=\"1.0\" standalone=\"no\"?>\n";
 		// no need for doctype, see http://jwatt.org/svg/authoring/#doctype-declaration
-		str += svgCanvasToString();
+		var str = svgCanvasToString();
 		call("saved", str);
 	};

@ -6550,6 +6592,9 @@ function BatchCommand(text) {
 				// selector if the element is in that array
 				if ($.inArray(elem, selectedElements) != -1) {
 					setTimeout(function() {
+						// Due to element replacement, this element may no longer
+						// be part of the DOM
+						if(!elem.parentNode) return;
 						selectorManager.requestSelector(elem).resize();
 					},0);
 				}
@ -7392,7 +7437,7 @@ function BatchCommand(text) {
 	// Function: getVersion
 	// Returns a string which describes the revision number of SvgCanvas.
 	this.getVersion = function() {
-		return "svgcanvas.js ($Rev: 1341 $)";
+		return "svgcanvas.js ($Rev: 1349 $)";
 	};
 	
 	this.setUiStrings = function(strs) {
@ -7427,6 +7472,78 @@ function BatchCommand(text) {
 		// return svgdoc.getElementById(id);
 	}
 	
+	// Being able to access private methods publicly seems wrong somehow,
+	// but currently appears to be the best way to allow testing and provide
+	// access to them to plugins.
+	this.getPrivateMethods = function() {
+		return {
+			addCommandToHistory: addCommandToHistory,
+			addGradient: addGradient,
+			addSvgElementFromJson: addSvgElementFromJson,
+			assignAttributes: assignAttributes,
+			BatchCommand: BatchCommand,
+			call: call,
+			ChangeElementCommand: ChangeElementCommand,
+			cleanupElement: cleanupElement,
+			copyElem: copyElem,
+			ffClone: ffClone,
+			findDefs: findDefs,
+			findDuplicateGradient: findDuplicateGradient,
+			fromXml: fromXml,
+			getElem: getElem,
+			getId: getId,
+			getIntersectionList: getIntersectionList,
+			getNextId: getNextId,
+			getPathBBox: getPathBBox,
+			getUrlFromAttr: getUrlFromAttr,
+			hasMatrixTransform: hasMatrixTransform,
+			identifyLayers: identifyLayers,
+			InsertElementCommand: InsertElementCommand,
+			isIdentity: isIdentity,
+			logMatrix: logMatrix,
+			matrixMultiply: matrixMultiply,
+			MoveElementCommand: MoveElementCommand,
+			preventClickDefault: preventClickDefault,
+			recalculateAllSelectedDimensions: recalculateAllSelectedDimensions,
+			recalculateDimensions: recalculateDimensions,
+			remapElement: remapElement,
+			RemoveElementCommand: RemoveElementCommand,
+			removeUnusedGrads: removeUnusedGrads,
+			resetUndoStack: resetUndoStack,
+			round: round,
+			runExtensions: runExtensions,
+			sanitizeSvg: sanitizeSvg,
+			Selector: Selector,
+			SelectorManager: SelectorManager,
+			shortFloat: shortFloat,
+			svgCanvasToString: svgCanvasToString,
+			SVGEditTransformList: SVGEditTransformList,
+			svgToString: svgToString,
+			toString: toString,
+			toXml: toXml,
+			transformBox: transformBox,
+			transformListToTransform: transformListToTransform,
+			transformPoint: transformPoint,
+			transformToObj: transformToObj,
+			walkTree: walkTree
+		}
+	}
+	
+	this.addExtension = function(name, ext_func) {
+		if(!(name in extensions)) {
+			// Provide private vars/funcs here. Is there a better way to do this?
+			var ext = ext_func($.extend(canvas.getPrivateMethods(), {
+				svgroot: svgroot,
+				svgcontent: svgcontent,
+				selectorManager: selectorManager
+			}));
+			extensions[name] = ext;
+			call("extension_added", ext);
+		} else {
+			console.log('Cannot add extension "' + name + '", an extension by that name already exists"');
+		}
+	};
+	
 	// Test support for features/bugs
 	(function() {
 		// segList functions (for FF1.5 and 2.0)
--- a/public/svg-edit/extensions/ext-arrows.js
+++ b/public/svg-edit/extensions/ext-arrows.js
@ -9,8 +9,7 @@
 
 $(function() {
 	svgCanvas.addExtension("Arrows", function(S) {
-		var svgcontent = S.content,
-			getElem = S.getElem,
+		var svgcontent = S.svgcontent,
 			addElem = S.addSvgElementFromJson,
 			selElems;
 			
@ -64,7 +63,7 @@ $(function() {
 		
 		function addMarker(id, type) {
 			// TODO: Make marker (or use?) per arrow type, since refX can be different
-			var marker = getElem(id);
+			var marker = S.getElem(id);

 			var pathdata = {
 				se_arrow_fw: {d:"m0,0l10,5l-10,5l5,-5l-5,-5z", refx:8},
@ -104,7 +103,8 @@ $(function() {
 			marker.setAttribute('refX', data.refx);
 		}
 		
-		function setArrow(type) {
+		function setArrow() {
+			var type = this.value;
 			resetMarker();
 		
 			if(type == "none") {
@ -114,7 +114,6 @@ $(function() {
 			var fw_id = "se_arrow_fw";
 			var bk_id = "se_arrow_bk";
 			
-			
 			// Set marker on element
 			var id = fw_id;
 			if(type == "mid_bk") {
@ -134,24 +133,29 @@ $(function() {
 			S.call("changed", selElems);
 		}
 		
-		// Init code
-		(function() {
-			var conn_tools = $('<div id="arrow_panel">\
-			<label><select id="arrow_list">\
-			<option value="none">No arrow</option>\
-			<option value="end">----&gt;</option>\
-			<option value="start">&lt;----</option>\
-			<option value="both">&lt;---&gt;</option>\
-			<option value="mid">--&gt;--</option>\
-			<option value="mid_bk">--&lt;--</option>\
-			</select></label></div>"').hide().appendTo("#tools_top");
-			$('#arrow_list').change(function() {
-				setArrow(this.value);
-			});
-		}());
-		
 		return {
 			name: "Arrows",
+			context_tools: [{
+				type: "select",
+				panel: "arrow_panel",
+				title: "Select arrow type",
+				id: "arrow_list",
+				options: {
+					none: "No arrow",
+					end: "----&gt;",
+					start: "&lt;----",
+					both: "&lt;---&gt;",
+					mid: "--&gt;--",
+					mid_bk: "--&lt;--"
+				},
+				defval: "none",
+				events: {
+					change: setArrow
+				}
+			}],
+			callback: function() {
+				$('#arrow_panel').hide();
+			},
 			addLangData: function(lang) {
 				return {
 					data: lang_list[lang]
@ -180,4 +184,4 @@ $(function() {
 			}
 		};
 	});
-});
+});
--- a/public/svg-edit/extensions/ext-connector.js
+++ b/public/svg-edit/extensions/ext-connector.js
@ -9,8 +9,8 @@
 
 $(function() {
 	svgCanvas.addExtension("Connector", function(S) {
-		var svgcontent = S.content,
-			svgroot = S.root,
+		var svgcontent = S.svgcontent,
+			svgroot = S.svgroot,
 			getNextId = S.getNextId,
 			getElem = S.getElem,
 			addElem = S.addSvgElementFromJson,
@ -104,14 +104,29 @@ $(function() {
 				svgCanvas.removeFromSelection($(conn_sel).toArray());
 			}
 			
+			// Loop through selected elements
 			while(i--) {
 				var elem = all_els[i];
 				if(!elem) continue;
+				
+				// Element was deleted, so delete connector
+				var was_deleted = !elem.parentNode;
+				
+				// Skip connector
 				if($(elem).data('c_start')) continue;
+				
+				// Loop through connectors to see if one is connected to the element
 				connectors.each(function() {
 					var start = $(this).data("c_start");
 					var end = $(this).data("c_end");
+					
+					// Connector found for this element
 					if(start == elem.id || end == elem.id) {
+						
+						if(was_deleted) {
+							$(this).remove();
+							return;
+						}
 						var bb = svgCanvas.getStrokedBBox([elem]);
 						connections.push({
 							elem: elem,
@ -138,8 +153,8 @@ $(function() {
 					var line = conn.connector;
 					var elem = conn.elem;

-					var pre = conn.is_start?'start':'end';
 					var sw = line.getAttribute('stroke-width');
+					var pre = conn.is_start?'start':'end';
 					
 					// Update bbox for this element
 					var bb = svgCanvas.getStrokedBBox([elem]);
@ -458,6 +473,7 @@ $(function() {
 						se_ns = svgCanvas.getEditorNS(true);
 						cur_line.setAttributeNS(se_ns, "se:connector", conn_str);
 						cur_line.setAttribute('class', conn_sel.substr(1));
+						cur_line.setAttribute('opacity', 1);
 						svgCanvas.addToSelection([cur_line]);
 						svgCanvas.moveToBottomSelectedElement();
 						selManager.requestSelector(cur_line).showGrips(false);
@ -507,11 +523,40 @@ $(function() {
 					elem.getAttribute("marker-end")
 				)) {
 					var start = elem.getAttribute("marker-start");
+					var mid = elem.getAttribute("marker-mid");
 					var end = elem.getAttribute("marker-end");
 					cur_line = elem;
 					$(elem)
 						.data("start_off", !!start)
 						.data("end_off", !!end);
+					
+					if(elem.tagName == "line" && mid) {
+						// Convert to polyline to accept mid-arrow
+						
+						var x1 = elem.getAttribute('x1')-0;
+						var x2 = elem.getAttribute('x2')-0;
+						var y1 = elem.getAttribute('y1')-0;
+						var y2 = elem.getAttribute('y2')-0;
+						var id = elem.id;
+						
+						var mid_pt = (' '+((x1+x2)/2)+','+((y1+y2)/2) + ' ');
+						var pline = addElem({
+							"element": "polyline",
+							"attr": {
+								"points": (x1+','+y1+ mid_pt +x2+','+y2),
+								"stroke": elem.getAttribute('stroke'),
+								"stroke-width": elem.getAttribute('stroke-width'),
+								"marker-mid": mid,
+								"fill": "none",
+								"opacity": elem.getAttribute('opacity') || 1
+							}
+						});
+						$(elem).after(pline).remove();
+						svgCanvas.clearSelection();
+						pline.id = id;
+						svgCanvas.addToSelection([pline]);
+					}
+						
 				}
 				updateConnectors();
 			},
--- a/public/svg-edit/extras/tojson.py
+++ b/public/svg-edit/extras/tojson.py
@ -0,0 +1,52 @@
+import sys, json, codecs
+infile = codecs.open(sys.argv[1], "r", "utf-8")
+outfile = codecs.open(sys.argv[1][:-3], "w", "utf-8")
+indata = infile.readlines()
+look = False
+out = "[\n"
+js = []
+jss = ""
+
+def readfrompos(pos):
+    global out
+    global js
+    
+    if (indata[pos].startswith("#, -x-svg-edit-title")) or (indata[pos].startswith("#, -x-svg-edit-textContent")):
+        out += '{'        
+        out += '"id": '
+        out += " ".join(indata[pos+1].split()[1:]) + ", "
+        out += '"' + line[15:].strip() + '": '
+        out += " ".join(indata[pos+2].split()[1:])
+        out += '}'
+    elif (indata[pos].startswith("#, -x-svg-edit-both")):
+        out += '{'        
+        out += '"id": '
+        out += " ".join(indata[pos+1].split()[1:]) + ", "
+        out += '"textContent": '
+        out += '"' + " ".join(indata[pos+2].split()[1:]).split('|')[1] + ', '        
+        out += '"title": '
+        out += " ".join(indata[pos+2].split()[1:]).split('|')[0] + '"'
+        out += '}'
+    elif (indata[pos].startswith("#, -x-svg-edit-js_strings")):
+        js.append((" ".join(indata[pos+1].split()[1:]), " ".join(indata[pos+2].split()[1:])))
+
+for pos, line in enumerate(indata):
+    if (not look) and (line.startswith('# ---')):
+        look = True
+        marker = pos
+    elif (look) and (line.startswith('#, -x-svg-edit')):
+        readfrompos(pos)
+
+js.sort()
+
+for j in js:
+    jss += "  %s: %s,\n" % (j[0], j[1])
+
+out += '{\n "js_strings": {\n'
+out += str(jss)
+out += '   "": ""\n }'
+out += "\n}"         
+out += "\n]"
+out = out.replace('}{', '},\n{')
+         
+outfile.write(out)
--- a/public/svg-edit/extras/topo.py
+++ b/public/svg-edit/extras/topo.py
@ -0,0 +1,39 @@
+import sys, json, codecs
+infile = json.load(codecs.open(sys.argv[1], "r", "utf-8"))
+outfile = codecs.open(sys.argv[1] + ".po", "w", "utf-8")
+out = []
+
+out.append("""# LANGUAGE FILE FOR SVG-EDIT, AUTOGENERATED BY TOPO.PY
+
+msgid ""
+msgstr ""
+"Content-Type: text/plain; charset=utf-8\\n"
+"Content-Transfer-Encoding: 8bit\\n"
+
+# ---
+
+""")
+
+def printstr(flag, i, s):
+    out.append('\n')
+    if flag == '-x-svg-edit-both':
+        out.append("# Enter the title first, then the contents, seperated by a pipe char (|)\n")
+    out.append("#, " + flag + '\n')
+    out.append("msgid \"" + i + "\"" + '\n')
+    out.append("msgstr \"" + s.replace('\n', '\\n') + "\"" + '\n')
+
+for line in infile:
+    if line.has_key('title') and line.has_key('textContent'):
+        printstr('-x-svg-edit-both', line['id'], "|".join(((line['title'], line['textContent']))))
+    elif line.has_key('title'):
+        printstr('-x-svg-edit-title', line['id'], line['title'])
+    elif line.has_key('textContent'):
+        printstr('-x-svg-edit-textContent', line['id'], line['textContent'])
+    elif line.has_key('js_strings'):
+        for i, s in line['js_strings'].items():
+            printstr('-x-svg-edit-js_strings', i, s)
+    else:
+        pass # The line wasn't really a string
+
+outfile.writelines(out)
+outfile.close()