last demo import - cleaned

2023-08-26 22:04:56 +02:00
parent 0ab5dd5e38
commit f3c3c67e2c
884 changed files with 301494 additions and 1 deletions
--- a/static/mxgraph/examples/htmllabel.html
+++ b/static/mxgraph/examples/htmllabel.html
@@ -0,0 +1,174 @@
+<!--
+  Copyright (c) 2006-2013, JGraph Ltd
+  
+  HTML label example for mxGraph. This example demonstrates using
+  HTML labels that are connected to the state of the user object.
+-->
+<html>
+<head>
+	<title>HTML label example for mxGraph</title>
+
+	<!-- Sets the basepath for the library if not in same directory -->
+	<script type="text/javascript">
+		mxBasePath = '../src';
+	</script>
+
+	<!-- Loads and initializes the library -->
+	<script type="text/javascript" src="../src/js/mxClient.js"></script>
+
+	<!-- Example code -->
+	<script type="text/javascript">
+		// Program starts here. Creates a sample graph in the
+		// DOM node with the specified ID. This function is invoked
+		// from the onLoad event handler of the document (see below).
+		function main(container)
+		{
+			// Checks if the browser is supported
+			if (!mxClient.isBrowserSupported())
+			{
+				// Displays an error message if the browser is not supported.
+				mxUtils.error('Browser is not supported!', 200, false);
+			}
+			else
+			{
+				// Disables the built-in context menu
+				mxEvent.disableContextMenu(container);
+				
+				// Creates the graph inside the given container
+				var graph = new mxGraph(container);
+				
+				// Enables HTML labels
+				graph.setHtmlLabels(true);
+
+				// Enables rubberband selection
+				new mxRubberband(graph);
+				
+				// Creates a user object that stores the state
+				var doc = mxUtils.createXmlDocument();
+				var obj = doc.createElement('UserObject');
+				obj.setAttribute('label', 'Hello, World!');
+				obj.setAttribute('checked', 'false');
+				
+				// Adds optional caching for the HTML label
+				var cached = true;
+				
+				if (cached)
+				{
+					// Ignores cached label in codec
+					mxCodecRegistry.getCodec(mxCell).exclude.push('div');
+					
+					// Invalidates cached labels
+					graph.model.setValue = function(cell, value)
+					{
+						cell.div = null;
+						mxGraphModel.prototype.setValue.apply(this, arguments);
+					};
+				}
+				
+				// Overrides method to provide a cell label in the display
+				graph.convertValueToString = function(cell)
+				{
+					if (cached && cell.div != null)
+					{
+						// Uses cached label
+						return cell.div;
+					}
+					else if (mxUtils.isNode(cell.value) && cell.value.nodeName.toLowerCase() == 'userobject')
+					{
+						// Returns a DOM for the label
+						var div = document.createElement('div');
+						div.innerHTML = cell.getAttribute('label');
+						mxUtils.br(div);
+						
+						var checkbox = document.createElement('input');
+						checkbox.setAttribute('type', 'checkbox');
+
+						if (cell.getAttribute('checked') == 'true')
+						{
+							checkbox.setAttribute('checked', 'checked');
+							checkbox.defaultChecked = true;
+						}
+						
+						// Writes back to cell if checkbox is clicked
+						mxEvent.addListener(checkbox, (mxClient.IS_QUIRKS) ? 'click' : 'change', function(evt)
+						{
+							var elt = cell.value.cloneNode(true);
+							elt.setAttribute('checked', (checkbox.checked) ? 'true' : 'false');
+							
+							graph.model.setValue(cell, elt);
+						});
+						
+						div.appendChild(checkbox);
+						
+						if (cached)
+						{
+							// Caches label
+							cell.div = div;
+						}
+						
+						return div;
+					}
+
+					return '';
+				};
+
+				// Overrides method to store a cell label in the model
+				var cellLabelChanged = graph.cellLabelChanged;
+				graph.cellLabelChanged = function(cell, newValue, autoSize)
+				{
+					if (mxUtils.isNode(cell.value) && cell.value.nodeName.toLowerCase() == 'userobject')
+					{
+						// Clones the value for correct undo/redo
+						var elt = cell.value.cloneNode(true);
+						elt.setAttribute('label', newValue);
+						newValue = elt;
+					}
+					
+					cellLabelChanged.apply(this, arguments);
+				};
+				
+				// Overrides method to create the editing value
+				var getEditingValue = graph.getEditingValue;
+				graph.getEditingValue = function(cell)
+				{
+					if (mxUtils.isNode(cell.value) && cell.value.nodeName.toLowerCase() == 'userobject')
+					{
+						return cell.getAttribute('label');
+					}
+				};
+				
+				var parent = graph.getDefaultParent();
+				graph.insertVertex(parent, null, obj, 20, 20, 80, 60);
+				
+				// Undo/redo
+				var undoManager = new mxUndoManager();
+				var listener = function(sender, evt)
+				{
+					undoManager.undoableEditHappened(evt.getProperty('edit'));
+				};
+				graph.getModel().addListener(mxEvent.UNDO, listener);
+				graph.getView().addListener(mxEvent.UNDO, listener);
+				
+				document.body.appendChild(mxUtils.button('Undo', function()
+				{
+					undoManager.undo();
+				}));
+				
+				document.body.appendChild(mxUtils.button('Redo', function()
+				{
+					undoManager.redo();
+				}));
+			}
+		};
+	</script>
+</head>
+
+<!-- Page passes the container for the graph to the program -->
+<body onload="main(document.getElementById('graphContainer'))">
+
+	<!-- Creates a container for the graph with a grid wallpaper -->
+	<div id="graphContainer"
+		style="position:relative;overflow:hidden;width:321px;height:241px;background:url('editors/images/grid.gif');cursor:default;">
+	</div>
+</body>
+</html>