Fixed issue 226 and issue 393, allowing the cloning and merging of layers

git-svn-id: http://svg-edit.googlecode.com/svn/trunk@1672 eee81c28-f429-11dd-99c0-75d572ba1ddd

editor/contextmenu/jquery.contextMenu.js

@@ -36,7 +36,7 @@ if(jQuery)( function() {
 					$(this).mouseup( function(e) {
 						var srcElement = $(this);
 						$(this).unbind('mouseup');
-						if( evt.button == 2 ) {
+						if( evt.button == 2 || o.allowLeft) {
 							e.stopPropagation();
 							// Hide context menus that may be showing
 							$(".contextMenu").hide();
@@ -51,8 +51,8 @@ if(jQuery)( function() {
 							var x_off = $(window).width() - menu.width(), 
 								y_off = $(window).height() - menu.height();
 							
-							if(x > x_off) x = x_off-5;
+							if(x > x_off) x = x_off-15;
-							if(y > y_off) y = y_off-5;
+							if(y > y_off) y = y_off-15;
 							
 							// Show the menu
 							$(document).unbind('click');

editor/images/svg_edit_icons.svg

@@ -540,6 +540,18 @@
  </svg>
 </g>
 
+<g id="context_menu">
+	<svg width="120" height="120" xmlns="http://www.w3.org/2000/svg">
+	  <path stroke-width="0" id="svg_11" d="m4.5,46.5l52,0l-26,38l-26,-38z" stroke="#000" fill="#000"/>
+	  <g id="svg_16">
+	   <line stroke-width="10" id="svg_12" y2="27.5" x2="117.5" y1="27.5" x1="59.5" stroke="#000" fill="#000"/>
+	   <line id="svg_13" stroke-width="10" y2="51.5" x2="117.5" y1="51.5" x1="59.5" stroke="#000" fill="#000"/>
+	   <line id="svg_14" stroke-width="10" y2="73.5" x2="117.5" y1="73.5" x1="59.5" stroke="#000" fill="#000"/>
+	   <line id="svg_15" stroke-width="10" y2="97.5" x2="117.5" y1="97.5" x1="59.5" stroke="#000" fill="#000"/>
+	  </g>
+	</svg>
+</g>
+
 <g id="move_bottom">
 <svg xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 23 23">
  <defs>

editor/svg-editor.css

@@ -190,7 +190,7 @@
 	padding: 0px;
 	padding-left: 2px;
 	padding-right: 2px;
-	width: 106px;
+	width: 123px;
 	height: 20px;
 	border-right: 1px solid #FFFFFF;
 	border-bottom: 1px solid #FFFFFF;
@@ -212,6 +212,10 @@
 	margin-right: 3px;
 }
 
+#svg_editor .layer_button:last-child {
+	margin-right: 0;
+}
+
 #svg_editor .layer_buttonpressed {
 	width: 14px;
 	height: 14px;
@@ -226,7 +230,7 @@
 #svg_editor #layerlist {
 	margin: 1px;
 	padding: 0px;
-	width: 110px;
+	width: 127px;
 	border-collapse: collapse;	
 	border: 1px solid #808080;
 	background-color: #FFFFFF;

editor/svg-editor.html

@@ -62,6 +62,7 @@ script type="text/javascript" src="locale/locale.min.js"></script-->
 			<div id="layer_rename" class="layer_button"  title="Rename Layer"></div>
 			<div id="layer_up" class="layer_button"  title="Move Layer Up"></div>
 			<div id="layer_down" class="layer_button"  title="Move Layer Down"></div>
+			<div id="layer_moreopts" class="layer_button"  title="More Options"></div>
 		</fieldset>
 		
 		<table id="layerlist">
@@ -674,5 +675,13 @@ script type="text/javascript" src="locale/locale.min.js"></script-->
 	<li class="separator"><a href="#delete">Delete</a></li>
 </ul>
 
+
+<ul id="cmenu_layers" class="contextMenu">
+	<li><a href="#dupe">Duplicate Layer...</a></li>
+	<li><a href="#delete">Delete Layer</a></li>
+	<li><a href="#merge_down">Merge Down</a></li>
+	<li><a href="#merge_all">Merge All</a></li>
+</ul>
+
 </body>
 </html>

editor/svg-editor.js

@@ -355,6 +355,7 @@
 					
 					'#layer_up':'go_up',
 					'#layer_down':'go_down',
+					'#layer_moreopts':'context_menu',
 					'#layerlist td.layervis':'eye',
 					
 					'#tool_source_save,#tool_docprops_save':'ok',
@@ -443,6 +444,7 @@
 				default_img_url = curConfig.imgPath + "logo.png",
 				workarea = $("#workarea"),
 				canv_menu = $("#cmenu_canvas"),
+				layer_menu = $("#cmenu_layers"),
 				show_save_warning = false, 
 				exportWindow = null, 
 				tool_scale = 1;
@@ -3174,30 +3176,24 @@
 			});
 			
 			$('#layer_new').click(function() {
-				var curNames = new Array(svgCanvas.getNumLayers());
+				var i = svgCanvas.getNumLayers();
-				for (var i = 0; i < curNames.length; ++i) { curNames[i] = svgCanvas.getLayer(i); }
+				do {
+					var uniqName = uiStrings.layer + " " + ++i;
+				} while(svgCanvas.hasLayer(uniqName));
 				
-				var j = (curNames.length+1);
-				var uniqName = uiStrings.layer + " " + j;
-				while ($.inArray(uniqName, curNames) != -1) {
-					j++;
-					uniqName = uiStrings.layer + " " + j;
-				}
 				$.prompt(uiStrings.enterUniqueLayerName,uniqName, function(newName) {
 					if (!newName) return;
-					if ($.inArray(newName, curNames) != -1) {
+					if (svgCanvas.hasLayer(newName)) {
 						$.alert(uiStrings.dupeLayerName);
 						return;
 					}
 					svgCanvas.createLayer(newName);
 					updateContextPanel();
 					populateLayers();
-					$('#layerlist tr.layer').removeClass("layersel");
-					$('#layerlist tr.layer:first').addClass("layersel");
 				});
 			});
 			
-			$('#layer_delete').click(function() {
+			function deleteLayer() {
 				if (svgCanvas.deleteCurrentLayer()) {
 					updateContextPanel();
 					populateLayers();
@@ -3207,55 +3203,62 @@
 					$('#layerlist tr.layer').removeClass("layersel");
 					$('#layerlist tr.layer:first').addClass("layersel");
 				}
-			});
+			}
 			
-			$('#layer_up').click(function() {
+			function cloneLayer() {
-				// find index position of selected option
+				var name = svgCanvas.getCurrentLayer() + ' copy';
-				var curIndex = $('#layerlist tr.layersel').prevAll().length;
+				
-				if (curIndex > 0) {
+				$.prompt(uiStrings.enterUniqueLayerName, name, function(newName) {
-					var total = $('#layerlist tr.layer').length;
+					if (!newName) return;
-					curIndex--;
+					if (svgCanvas.hasLayer(newName)) {
+						$.alert(uiStrings.dupeLayerName);
+						return;
+					}
+					svgCanvas.cloneLayer(newName);
+					updateContextPanel();
+					populateLayers();
+				});
+			}
+			
+			function mergeLayer() {
+				if($('#layerlist tr.layersel').index() == svgCanvas.getNumLayers()-1) return;
+				svgCanvas.mergeLayer();
+				updateContextPanel();
+				populateLayers();
+			}
+			
+			function moveLayer(pos) {
+				var curIndex = $('#layerlist tr.layersel').index();
+				var total = svgCanvas.getNumLayers();
+				if(curIndex > 0 || curIndex < total-1) {
+					curIndex += pos;
 					svgCanvas.setCurrentLayerPosition(total-curIndex-1);
 					populateLayers();
-					$('#layerlist tr.layer').removeClass("layersel");
-					$('#layerlist tr.layer:eq('+curIndex+')').addClass("layersel");
 				}
+			}
+			
+			$('#layer_delete').click(deleteLayer);
+			
+			$('#layer_up').click(function() {
+				moveLayer(-1);
 			});
 		
 			$('#layer_down').click(function() {
-				// find index position of selected option
+				moveLayer(1);
-				var curIndex = $('#layerlist tr.layersel').prevAll().length;
-				var total = $('#layerlist tr.layer').length;
-				if (curIndex < total-1) {
-					curIndex++;
-					svgCanvas.setCurrentLayerPosition(total-curIndex-1);
-					populateLayers();
-					$('#layerlist tr.layer').removeClass("layersel");
-					$('#layerlist tr.layer:eq('+curIndex+')').addClass("layersel");
-				}
 			});
-		
+
 			$('#layer_rename').click(function() {
 				var curIndex = $('#layerlist tr.layersel').prevAll().length;
 				var oldName = $('#layerlist tr.layersel td.layername').text();
 				$.prompt(uiStrings.enterNewLayerName,"", function(newName) {
 					if (!newName) return;
-					if (oldName == newName) {
+					if (oldName == newName || svgCanvas.hasLayer(newName)) {
-						$.alert(uiStrings.layerHasThatName);
-						return;
-					}
-			
-					var curNames = new Array(svgCanvas.getNumLayers());
-					for (var i = 0; i < curNames.length; ++i) { curNames[i] = svgCanvas.getLayer(i); }
-					if ($.inArray(newName, curNames) != -1) {
 						$.alert(uiStrings.layerHasThatName);
 						return;
 					}
 					
 					svgCanvas.renameCurrentLayer(newName);
 					populateLayers();
-					$('#layerlist tr.layer').removeClass("layersel");
-					$('#layerlist tr.layer:eq('+curIndex+')').addClass("layersel");
 				});
 			});
 			
@@ -3377,7 +3380,7 @@
 				}
 				// handle selection of layer
 				$('#layerlist td.layername')
-					.click(function(evt){
+					.mouseup(function(evt){
 						$('#layerlist tr.layer').removeClass("layersel");
 						var row = $(this.parentNode);
 						row.addClass("layersel");
@@ -3750,7 +3753,41 @@
 					if(svgCanvas.clipBoard.length) {
 						canv_menu.enableContextMenuItems('#paste,#paste_in_place');
 					}
-			});
+			});		
+			
+			var lmenu_func = function(action, el, pos) {
+				switch ( action ) {
+					case 'dupe':
+						cloneLayer();
+						break;
+					case 'delete':
+						deleteLayer();
+						break;
+					case 'merge_down':
+						mergeLayer();
+						break;
+					case 'merge_all':
+						svgCanvas.mergeAllLayers();
+						updateContextPanel();
+						populateLayers();
+						break;
+				}
+			}
+			
+			$("#layerlist").contextMenu({
+					menu: 'cmenu_layers',
+					inSpeed: 0
+				},
+				lmenu_func
+			);
+			
+			$("#layer_moreopts").contextMenu({
+					menu: 'cmenu_layers',
+					inSpeed: 0,
+					allowLeft: true
+				},
+				lmenu_func
+			);			
 			
 			$('.contextMenu li').mousedown(function(ev) {
 				ev.preventDefault();

editor/svgcanvas.js

@@ -826,7 +826,7 @@ var RemoveElementCommand = this.undoCmd.removeElement = function(elem, parent, t
 			delete svgTransformLists[this.elem.id];
 		}
 
-		this.elem = this.parent.insertBefore(this.elem, this.elem.nextSibling); 
+		this.elem = this.parent.insertBefore(this.elem, this.elem.nextSibling);
 		if (this.parent == svgcontent) {
 			identifyLayers();
 		}		
@@ -8344,6 +8344,36 @@ this.createLayer = function(name) {
 	call("changed", [new_layer]);
 };
 
+// Function: cloneLayer
+// Creates a new top-level layer in the drawing with the given name, copies all the current layer's contents
+// to it, and then clears the selection  This function then calls the 'changed' handler.
+// This is an undoable action.
+//
+// Parameters:
+// name - The given name
+this.cloneLayer = function(name) {
+	var batchCmd = new BatchCommand("Duplicate Layer");
+	var new_layer = svgdoc.createElementNS(svgns, "g");
+	var layer_title = svgdoc.createElementNS(svgns, "title");
+	layer_title.textContent = name;
+	new_layer.appendChild(layer_title);
+	$(current_layer).after(new_layer);
+	var childs = current_layer.childNodes;
+	for(var i = 0; i < childs.length; i++) {
+		var ch = childs[i];
+		if(ch.localName == 'title') continue;
+		new_layer.appendChild(copyElem(ch));
+	}
+	
+	clearSelection();
+	identifyLayers();
+
+	batchCmd.addSubCommand(new InsertElementCommand(new_layer));
+	addCommandToHistory(batchCmd);
+	canvas.setCurrentLayer(name);
+	call("changed", [new_layer]);
+};
+
 // Function: deleteCurrentLayer
 // Deletes the current layer from the drawing and then clears the selection. This function 
 // then calls the 'changed' handler.  This is an undoable action.
@@ -8364,6 +8394,15 @@ this.deleteCurrentLayer = function() {
 	return false;
 };
 
+// Function: hasLayer
+// Check if layer with given name already exists
+this.hasLayer = function(name) {
+	for(var i = 0; i < all_layers.length; i++) {
+		if(all_layers[i][0] == name) return true;
+	}
+	return false;
+};
+
 // Function: getNumLayers
 // Returns the number of layers in the current drawing.
 // 
@@ -8615,6 +8654,55 @@ this.moveSelectedToLayer = function(layername) {
 	return true;
 };
 
+this.mergeLayer = function(skipHistory) {
+	var batchCmd = new BatchCommand("Merge Layer");
+	var prev = $(current_layer).prev()[0];
+	if(!prev) return;
+	var childs = current_layer.childNodes;
+	var len = childs.length;
+	batchCmd.addSubCommand(new RemoveElementCommand(current_layer, svgcontent));
+
+	while(current_layer.firstChild) {
+		var ch = current_layer.firstChild;
+		if(ch.localName == 'title') {
+			batchCmd.addSubCommand(new RemoveElementCommand(ch, current_layer));
+			current_layer.removeChild(ch);
+			continue;
+		}
+		var oldNextSibling = ch.nextSibling;
+		prev.appendChild(ch);
+		batchCmd.addSubCommand(new MoveElementCommand(ch, oldNextSibling, current_layer));
+	}
+	
+	// Remove current layer
+	svgcontent.removeChild(current_layer);
+	
+	if(!skipHistory) {
+		clearSelection();
+		identifyLayers();
+
+		call("changed", [svgcontent]);
+		
+		addCommandToHistory(batchCmd);
+	}
+	
+	current_layer = prev;
+	return batchCmd;
+}
+
+this.mergeAllLayers = function() {
+	var batchCmd = new BatchCommand("Merge all Layers");
+	current_layer = all_layers[all_layers.length-1][1];
+	while($(svgcontent).children('g').length > 1) {
+		batchCmd.addSubCommand(canvas.mergeLayer(true));
+	}
+	
+	clearSelection();
+	identifyLayers();
+	call("changed", [svgcontent]);
+	addCommandToHistory(batchCmd);
+}
+
 // Function: getLayerOpacity
 // Returns the opacity of the given layer.  If the input name is not a layer, null is returned.
 //