From a52cc55ec2caa2dcbced37bc040cf012a7270838 Mon Sep 17 00:00:00 2001
From: Alexis Deveria <adeveria@gmail.com>
Date: Fri, 26 Feb 2010 20:31:33 +0000
Subject: [PATCH] Fixed issue 502, removed unnecessary old dupe extensions that
 I keep accidentally editing first only to get really frustrated as my changes
 don't appear

git-svn-id: http://svg-edit.googlecode.com/svn/trunk@1432 eee81c28-f429-11dd-99c0-75d572ba1ddd
---
 editor/extensions/ext-connector.js |   7 +-
 extensions/ext-arrows.js           | 271 --------------
 extensions/ext-connector.js        | 574 -----------------------------
 3 files changed, 5 insertions(+), 847 deletions(-)
 delete mode 100644 extensions/ext-arrows.js
 delete mode 100644 extensions/ext-connector.js

diff --git a/editor/extensions/ext-connector.js b/editor/extensions/ext-connector.js
index fb0ef5b4..4cb5f25e 100644
--- a/editor/extensions/ext-connector.js
+++ b/editor/extensions/ext-connector.js
@@ -228,8 +228,12 @@ $(function() {
 				if(conn) {
 					this.setAttribute('class', conn_sel.substr(1));
 					var conn_data = conn.split(' ');
+					var sbb = svgCanvas.getStrokedBBox([getElem(conn_data[0])]);
+					var ebb = svgCanvas.getStrokedBBox([getElem(conn_data[1])]);
 					$(this).data('c_start',conn_data[0])
-						.data('c_end',conn_data[1]);
+						.data('c_end',conn_data[1])
+						.data('start_bb', sbb)
+						.data('end_bb', ebb);
 					svgCanvas.getEditorNS(true);
 				}
 			});
@@ -311,7 +315,6 @@ $(function() {
 								"style": "pointer-events:none"
 							}
 						});
-						
 						$(cur_line).data('start_bb', bb);
 					}
 					return {
diff --git a/extensions/ext-arrows.js b/extensions/ext-arrows.js
deleted file mode 100644
index 1245eb92..00000000
--- a/extensions/ext-arrows.js
+++ /dev/null
@@ -1,271 +0,0 @@
-/*
- * ext-arrows.js
- *
- * Licensed under the Apache License, Version 2
- *
- * Copyright(c) 2010 Alexis Deveria
- *
- */
-
- 
-$(function() {
-	svgCanvas.addExtension("Arrows", function(S) {
-		var svgcontent = S.svgcontent,
-			addElem = S.addSvgElementFromJson,
-			selElems;
-			
-		var lang_list = {
-			"en":[
-				{"id": "arrow_none", "textContent": "No arrow" }
-			],
-			"fr":[
-				{"id": "arrow_none", "textContent": "Sans flèche" }
-			]
-		};
-		
-		var pathdata = {
-			fw: {d:"m0,0l10,5l-10,5l5,-5l-5,-5z", refx:8, id:"se_arrow_fw"},
-			bk: {d:"m10,0l-10,5l10,5l-5,-5l5,-5z", refx:2, id:"se_arrow_bk"}
-		}
-		function getLinked(elem, attr) {
-			var str = elem.getAttribute(attr);
-			if(!str) return null;
-			var m = str.match(/\(\#(.*)\)/);
-			if(!m || m.length !== 2) {
-				return null;
-			}
-			return S.getElem(m[1]);
-		}
-		
-		function showPanel(on) {
-			$('#arrow_panel').toggle(on);
-			
-			if(on) {
-				var el = selElems[0];
-				var end = el.getAttribute("marker-end");
-				var start = el.getAttribute("marker-start");
-				var mid = el.getAttribute("marker-mid");
-				var val;
-				
-				if(end && start) {
-					val = "both";
-				} else if(end) {
-					val = "end";
-				} else if(start) {
-					val = "start";
-				} else if(mid) {
-					val = "mid";
-					if(mid.indexOf("bk") != -1) {
-						val = "mid_bk";
-					}
-				}
-				
-				if(!start && !mid && !end) {
-					val = "none";
-				}
-				
-				$("#arrow_list").val(val);
-			}
-		}
-		
-		function resetMarker() {
-			var el = selElems[0];
-			el.removeAttribute("marker-start");
-			el.removeAttribute("marker-mid");
-			el.removeAttribute("marker-end");
-		}
-		
-		function addMarker(dir, type, id) {
-			// TODO: Make marker (or use?) per arrow type, since refX can be different
-			id = id || 'se_arrow_' + dir;
-			
-			var marker = S.getElem(id);
-
-			var data = pathdata[dir];
-			
-			if(type == "mid") {
-				data.refx = 5;
-			}
-
-			if(!marker) {
-				marker = addElem({
-					"element": "marker",
-					"attr": {
-						"viewBox": "0 0 10 10",
-						"id": id,
-						"refY": 5,
-						"markerUnits": "strokeWidth",
-						"markerWidth": 5,
-						"markerHeight": 5,
-						"orient": "auto",
-						"style": "pointer-events:none" // Currently needed for Opera
-					}
-				});
-				var arrow = addElem({
-					"element": "path",
-					"attr": {
-						"d": data.d,
-						"fill": "#000000"
-					}
-				});
-				marker.appendChild(arrow);
-				S.findDefs().appendChild(marker);
-			} 
-			
-			marker.setAttribute('refX', data.refx);
-			
-			return marker;
-		}
-		
-		function setArrow() {
-			var type = this.value;
-			resetMarker();
-		
-			if(type == "none") {
-				return;
-			}
-		
-			// Set marker on element
-			var dir = "fw";
-			if(type == "mid_bk") {
-				type = "mid";
-				dir = "bk";
-			} else if(type == "both") {
-				addMarker("bk", type);
-				svgCanvas.changeSelectedAttribute("marker-start", "url(#" + pathdata.bk.id + ")");
-				type = "end";
-				dir = "fw";
-			} else if (type == "start") {
-				dir = "bk";
-			}
-			
-			addMarker(dir, type);
-			svgCanvas.changeSelectedAttribute("marker-"+type, "url(#" + pathdata[dir].id + ")");
-			S.call("changed", selElems);
-		}
-		
-		function colorChanged(elem) {
-			var color = elem.getAttribute('stroke');
-			
-			var mtypes = ['start','mid','end'];
-			var defs = S.findDefs();
-			
-			$.each(mtypes, function(i, type) {
-				var marker = getLinked(elem, 'marker-'+type);
-				if(!marker) return;
-				
-				var cur_color = $(marker).children().attr('fill');
-				var cur_d = $(marker).children().attr('d');
-				var new_marker = null;
-				if(cur_color === color) return;
-				
-				var all_markers = $(defs).find('marker');
-				// Different color, check if already made
-				all_markers.each(function() {
-					var attrs = $(this).children().attr(['fill', 'd']);
-					if(attrs.fill === color && attrs.d === cur_d) {
-						// Found another marker with this color and this path
-						new_marker = this;
-					}
-				});
-				
-				if(!new_marker) {
-					// Create a new marker with this color
-					var last_id = marker.id;
-					var dir = last_id.indexOf('_fw') !== -1?'fw':'bk';
-					
-					new_marker = addMarker(dir, type, 'se_arrow_' + dir + all_markers.length);
-
-					$(new_marker).children().attr('fill', color);
-				}
-				
-				$(elem).attr('marker-'+type, "url(#" + new_marker.id + ")");
-				
-				// Check if last marker can be removed
-				var remove = true;
-				$(S.svgcontent).find('line, polyline, path, polygon').each(function() {
-					var elem = this;
-					$.each(mtypes, function(j, mtype) {
-						if($(elem).attr('marker-' + mtype) === "url(#" + marker.id + ")") {
-							return remove = false;
-						}
-					});
-					if(!remove) return false;
-				});
-				
-				// Not found, so can safely remove
-				if(remove) {
-					$(marker).remove();
-				}
-
-			});
-			
-		}
-		
-		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]
-				};
-			},
-			selectedChanged: function(opts) {
-				
-				// Use this to update the current selected elements
-				selElems = opts.elems;
-				
-				var i = selElems.length;
-				var marker_elems = ['line','path','polyline','polygon'];
-				
-				while(i--) {
-					var elem = selElems[i];
-					if(elem && $.inArray(elem.tagName, marker_elems) != -1) {
-						if(opts.selectedElement && !opts.multiselected) {
-							showPanel(true);
-						} else {
-							showPanel(false);
-						}
-					} else {
-						showPanel(false);
-					}
-				}
-			},
-			elementChanged: function(opts) {
-				var elem = opts.elems[0];
-				if(elem && (
-					elem.getAttribute("marker-start") ||
-					elem.getAttribute("marker-mid") ||
-					elem.getAttribute("marker-end")
-				)) {
-	// 								var start = elem.getAttribute("marker-start");
-	// 								var mid = elem.getAttribute("marker-mid");
-	// 								var end = elem.getAttribute("marker-end");
-					// Has marker, so see if it should match color
-					colorChanged(elem);
-				}
-				
-			}
-		};
-	});
-});
diff --git a/extensions/ext-connector.js b/extensions/ext-connector.js
deleted file mode 100644
index a0e050e7..00000000
--- a/extensions/ext-connector.js
+++ /dev/null
@@ -1,574 +0,0 @@
-/*
- * ext-connector.js
- *
- * Licensed under the Apache License, Version 2
- *
- * Copyright(c) 2010 Alexis Deveria
- *
- */
- 
-$(function() {
-	svgCanvas.addExtension("Connector", function(S) {
-		var svgcontent = S.svgcontent,
-			svgroot = S.svgroot,
-			getNextId = S.getNextId,
-			getElem = S.getElem,
-			addElem = S.addSvgElementFromJson,
-			selManager = S.selectorManager,
-			started = false,
-			start_x,
-			start_y,
-			cur_line,
-			start_elem,
-			end_elem,
-			connections = [],
-			conn_sel = ".se_connector",
-			se_ns,
-// 			connect_str = "-SE_CONNECT-",
-			selElems = [];
-			
-		var lang_list = {
-			"en":[
-				{"id": "mode_connect", "title": "Connect two objects" }
-			],
-			"fr":[
-				{"id": "mode_connect", "title": "Connecter deux objets"}
-			]
-		};
-		
-		function showPanel(on) {
-			var conn_rules = $('#connector_rules');
-			if(!conn_rules.length) {
-				conn_rules = $('<style id="connector_rules"><\/style>').appendTo('head');
-			} 
-			conn_rules.text(!on?"":"#tool_clone, #tool_topath, #tool_angle, #xy_panel { display: none !important; }");
-			$('#connector_panel').toggle(on);
-		}
-		
-		function setPoint(elem, pos, x, y, setMid) {
-			var pts = elem.points;
-			var pt = svgroot.createSVGPoint();
-			pt.x = x;
-			pt.y = y;
-			if(pos === 'end') pos = pts.numberOfItems-1;
-			// TODO: Test for this on init, then use alt only if needed
-			try {
-				pts.replaceItem(pt, pos);
-			} catch(err) {
-				// Should only occur in FF which formats points attr as "n,n n,n", so just split
-				var pt_arr = elem.getAttribute("points").split(" ");
-				for(var i=0; i< pt_arr.length; i++) {
-					if(i == pos) {
-						pt_arr[i] = x + ',' + y;
-					}
-				}
-				elem.setAttribute("points",pt_arr.join(" ")); 
-			}
-			
-			if(setMid) {
-				// Add center point
-				var pt_start = pts.getItem(0);
-				var pt_end = pts.getItem(pts.numberOfItems-1);
-				setPoint(elem, 1, (pt_end.x + pt_start.x)/2, (pt_end.y + pt_start.y)/2);
-			}
-		}
-		
-		function findConnectors() {
-			// Check if selected elements have connections
-			var elems = selElems;
-			var i = elems.length;
-			var connectors = $(svgcontent).find(conn_sel);
-			if(!connectors.length) return;
-			connections = [];
-			
-			var sel = ':not(a,g,svg,'+conn_sel+')';
-			var all_els = [];
-			// Get children from groups
-			
-			while(i--) {
-				var elem = elems[i];
-				if(!elem) continue;
-				// Get all children that cannot contain children
-				var solid_elems = $(elem).find(sel);
-				// Include self if okay
-				if($(elem).filter(sel).length) {
-					solid_elems.push(elem);
-				}
-				$.merge(all_els, solid_elems);
-			}
-			
-			i = all_els.length;
-
-			if(i > 1) {
-				// Multiselected, so unselect connector
-				svgCanvas.removeFromSelection($(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,
-							connector: this,
-							is_start: start == elem.id,
-							start_x: bb.x,
-							start_y: bb.y
-						});	
-					}
-				});
-			}
-		}
-
-		function updateConnectors() {
-			// Updates connector lines based on selected elements
-			// Is not used on mousemove, as it runs getStrokedBBox every time,
-			// which isn't necessary there.
-			findConnectors();
-			if(connections.length) {
-				// Update line with element
-				var i = connections.length;
-				while(i--) {
-					var conn = connections[i];
-					var line = conn.connector;
-					var elem = conn.elem;
-
-					var sw = line.getAttribute('stroke-width');
-					var pre = conn.is_start?'start':'end';
-					
-					// Update bbox for this element
-					var bb = svgCanvas.getStrokedBBox([elem]);
-					bb.x = conn.start_x;
-					bb.y = conn.start_y;
-					$(line).data(pre+'_bb', bb);
-					var add_offset = $(line).data(pre+'_off');
-				
-					var alt_pre = conn.is_start?'end':'start';
-					
-					// Get center pt of connected element
-					var bb2 = $(line).data(alt_pre+'_bb');
-					var src_x = bb2.x + bb2.width/2;
-					var src_y = bb2.y + bb2.height/2;
-					
-					// Set point of element being moved
-					var pt = getBBintersect(src_x, src_y, bb, add_offset?sw:0);
-					setPoint(line, conn.is_start?0:'end', pt.x, pt.y, true);
-					
-					// Set point of connected element
-					var pt2 = getBBintersect(pt.x, pt.y, $(line).data(alt_pre + '_bb'), $(line).data(alt_pre + '_off')?sw:0);
-					setPoint(line, conn.is_start?'end':0, pt2.x, pt2.y, true);
-					
-					// Update points attribute manually for webkit
-					if(navigator.userAgent.indexOf('AppleWebKit') != -1) {
-						var pts = line.points;
-						var len = pts.numberOfItems;
-						var pt_arr = Array(len);
-						for(var j=0; j< len; j++) {
-							var pt = pts.getItem(j);
-							pt_arr[j] = pt.x + ',' + pt.y;
-						}	
-						line.setAttribute("points",pt_arr.join(" ")); 
-					}
-
-				}
-			}
-		}
-		
-		function getBBintersect(x, y, bb, offset) {
-			if(offset) {
-				offset -= 0;
-				bb = $.extend({}, bb);
-				bb.width += offset;
-				bb.height += offset;
-				bb.x -= offset/2;
-				bb.y -= offset/2;
-			}
-		
-			var mid_x = bb.x + bb.width/2;
-			var mid_y = bb.y + bb.height/2;
-			var len_x = x - mid_x;
-			var len_y = y - mid_y;
-			
-			var slope = Math.abs(len_y/len_x);
-			
-			var ratio;
-			
-			if(slope < bb.height/bb.width) {
-				ratio = (bb.width/2) / Math.abs(len_x);
-			} else {
-				ratio = (bb.height/2) / Math.abs(len_y);
-			}
-			
-			
-			return {
-				x: mid_x + len_x * ratio,
-				y: mid_y + len_y * ratio
-			}
-		}
-		
-		// Do once
-		(function() {
-			var gse = svgCanvas.groupSelectedElements;
-			
-			svgCanvas.groupSelectedElements = function() {
-				svgCanvas.removeFromSelection($(conn_sel).toArray());
-				gse();
-			}
-			
-			var mse = svgCanvas.moveSelectedElements;
-			
-			svgCanvas.moveSelectedElements = function() {
-				svgCanvas.removeFromSelection($(conn_sel).toArray());
-				mse.apply(this, arguments);
-				updateConnectors();
-			}
-			
-			se_ns = svgCanvas.getEditorNS();
-		}());
-		
-		// Do on reset
-		function init() {
-			// Make sure all connectors have data set
-			$(svgcontent).find('*').each(function() { 
-				var conn = this.getAttributeNS(se_ns, "connector");
-				if(conn) {
-					this.setAttribute('class', conn_sel.substr(1));
-					var conn_data = conn.split(' ');
-					$(this).data('c_start',conn_data[0])
-						.data('c_end',conn_data[1]);
-					svgCanvas.getEditorNS(true);
-				}
-			});
-// 			updateConnectors();
-		}
-		
-// 		$(svgroot).parent().mousemove(function(e) {
-// // 			if(started 
-// // 				|| svgCanvas.getMode() != "connector"
-// // 				|| e.target.parentNode.parentNode != svgcontent) return;
-// 			
-// 			console.log('y')
-// // 			if(e.target.parentNode.parentNode === svgcontent) {
-// // 					
-// // 			}
-// 		});
-		
-		return {
-			name: "Connector",
-			svgicons: "images/conn.svg",
-			buttons: [{
-				id: "mode_connect",
-				type: "mode",
-				icon: "images/cut.png",
-				title: "Connect two objects",
-				key: "Shift+3",
-				includeWith: {
-					button: '#tool_line',
-					isDefault: false,
-					position: 1
-				},
-				events: {
-					'click': function() {
-						svgCanvas.setMode("connector");
-					}
-				}
-			}],
-			addLangData: function(lang) {
-				return {
-					data: lang_list[lang]
-				};
-			},
-			mouseDown: function(opts) {
-				var e = opts.event;
-				
-				start_x = opts.start_x,
-				start_y = opts.start_y;
-				var mode = svgCanvas.getMode();
-				
-				if(mode == "connector") {
-					
-					if(started) return;
-					
-					var mouse_target = e.target;
-					
-					var parents = $(mouse_target).parents();
-					
-					if($.inArray(svgcontent, parents) != -1) {
-						// Connectable element
-
-						start_elem = mouse_target;
-						
-						// Get center of source element
-						var bb = svgCanvas.getStrokedBBox([start_elem]);
-						var x = bb.x + bb.width/2;
-						var y = bb.y + bb.height/2;
-						
-						started = true;
-						cur_line = addElem({
-							"element": "polyline",
-							"attr": {
-								"id": getNextId(),
-								"points": (x+','+y+' '+x+','+y+' '+start_x+','+start_y),
-								"stroke": '#000',
-								"stroke-width": 3,
-								"fill": "none",
-								"opacity": .5,
-								"style": "pointer-events:none"
-							}
-						});
-						
-						$(cur_line).data('start_bb', bb);
-					}
-					return {
-						started: true
-					};
-				} else if(mode == "select") {
-					findConnectors();
-				}
-			},
-			mouseMove: function(opts) {
-				var zoom = svgCanvas.getZoom();
-				var e = opts.event;
-				var x = opts.mouse_x/zoom;
-				var y = opts.mouse_y/zoom;
-				
-				var	diff_x = x - start_x,
-					diff_y = y - start_y;
-									
-				var mode = svgCanvas.getMode();
-				
-				if(mode == "connector" && started) {
-
-					// Set start point (adjusts based on bb)
-					var pt = getBBintersect(x, y, $(cur_line).data('start_bb'));
-					start_x = pt.x;
-					start_y = pt.y;
-					
-					setPoint(cur_line, 0, pt.x, pt.y, true);
-					
-					// Set end point
-					setPoint(cur_line, 'end', x, y, true);
-				} else if(mode == "select") {
-					var slen = selElems.length;
-					
-					while(slen--) {
-						var elem = selElems[slen];
-						// Look for selected connector elements
-						if(elem && $(elem).data('c_start')) {
-							// Remove the "translate" transform given to move
-							svgCanvas.removeFromSelection([elem]);
-							svgCanvas.getTransformList(elem).clear();
-
-						}
-					}
-					if(connections.length) {
-						// Update line with element
-						var i = connections.length;
-						while(i--) {
-							var conn = connections[i];
-							var line = conn.connector;
-							var elem = conn.elem;
-							
-							var pre = conn.is_start?'start':'end';
-							var sw = line.getAttribute('stroke-width');
-							
-							// Update bbox for this element
-							var bb = $(line).data(pre+'_bb');
-							bb.x = conn.start_x + diff_x;
-							bb.y = conn.start_y + diff_y;
-							$(line).data(pre+'_bb', bb);
-							
-							var alt_pre = conn.is_start?'end':'start';
-							
-							// Get center pt of connected element
-							var bb2 = $(line).data(alt_pre+'_bb');
-							var src_x = bb2.x + bb2.width/2;
-							var src_y = bb2.y + bb2.height/2;
-							
-							// Set point of element being moved
-							var pt = getBBintersect(src_x, src_y, bb, $(line).data(pre+'_off')?sw:0);
-							setPoint(line, conn.is_start?0:'end', pt.x, pt.y, true);
-							
-							// Set point of connected element
-							var pt2 = getBBintersect(pt.x, pt.y, $(line).data(alt_pre + '_bb'), $(line).data(alt_pre+'_off')?sw:0);
-							setPoint(line, conn.is_start?'end':0, pt2.x, pt2.y, true);
-
-						}
-						
-					}
-				} 
-			},
-			mouseUp: function(opts) {
-				var zoom = svgCanvas.getZoom();
-				var e = opts.event,
-					x = opts.mouse_x/zoom,
-					y = opts.mouse_y/zoom;
-				
-				if(svgCanvas.getMode() == "connector") {
-					if(e.target.parentNode.parentNode != svgcontent) {
-						// Not a valid target element, so remove line
-						$(cur_line).remove();
-						started = false;
-						return {
-							keep: false,
-							element: null,
-							started: started
-						}
-					} else if(e.target == start_elem) {
-						// Start line through click
-						started = true;
-						return {
-							keep: true,
-							element: null,
-							started: started
-						}						
-					} else {
-						// Valid end element
-						end_elem = e.target;
-						var start_id = start_elem.id, end_id = end_elem.id;
-						var conn_str = start_id + " " + end_id;
-						var alt_str = end_id + " " + start_id;
-						// Don't create connector if one already exists
-						var dupe = $(svgcontent).find(conn_sel).filter(function() {
-							var conn = this.getAttributeNS(se_ns, "connector");
-							if(conn == conn_str || conn == alt_str) return true;
-						});
-						if(dupe.length) {
-							$(cur_line).remove();
-							return {
-								keep: false,
-								element: null,
-								started: false
-							}
-						}
-						
-						var bb = svgCanvas.getStrokedBBox([end_elem]);
-						
-						var pt = getBBintersect(start_x, start_y, bb);
-						setPoint(cur_line, 'end', pt.x, pt.y, true);
-						$(cur_line)
-							.data("c_start", start_id)
-							.data("c_end", end_id)
-							.data("end_bb", bb);
-						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);
-						started = false;
-						return {
-							keep: true,
-							element: cur_line,
-							started: started
-						}
-					}
-				}
-			},
-			selectedChanged: function(opts) {
-				
-				// Use this to update the current selected elements
-				selElems = opts.elems;
-				
-				var i = selElems.length;
-				
-				while(i--) {
-					var elem = selElems[i];
-					if(elem && $(elem).data('c_start')) {
-						selManager.requestSelector(elem).showGrips(false);
-						if(opts.selectedElement && !opts.multiselected) {
-							// TODO: Set up context tools and hide most regular line tools
-							showPanel(true);
-						} else {
-							showPanel(false);
-						}
-					} else {
-						showPanel(false);
-					}
-				}
-			},
-			elementChanged: function(opts) {
-				var elem = opts.elems[0];
-				if (elem && elem.tagName == 'svg' && elem.id == "svgcontent") {
-					// Update svgcontent (can change on import)
-					svgcontent = elem;
-					init();
-				}
-				
-				// Has marker, so change offset
-				if(elem && (
-					elem.getAttribute("marker-start") ||
-					elem.getAttribute("marker-mid") ||
-					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
-							}
-						});
-						$(elem).after(pline).remove();
-						svgCanvas.clearSelection();
-						pline.id = id;
-						svgCanvas.addToSelection([pline]);
-					}
-						
-				}
-				updateConnectors();
-			},
-			toolButtonStateUpdate: function(opts) {
-				if(opts.nostroke) {
-					if ($('#mode_connect').hasClass('tool_button_current')) {
-						clickSelect();
-					}
-				}
-				$('#mode_connect')
-					.toggleClass('disabled',opts.nostroke);
-			}
-		};
-	});
-});
\ No newline at end of file