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Content Tagged with Releases + JGRAPH

This release adds Java and .NET backend examples to the existing PHP example, including diagram sharing and I/O in the Java example. The key handler has been changed to not consume all key events for the page, only key events from the graph container are processed. The automatic tree layout now positions the layout correctly in the visible area. The in-place editor position is now wherever the label is and no longer jumps around. A "snapshot" action has been added to request that the current back-end produce and transfer a static image of the current graph.

The mxEditor constructor now takes parameters describing the session, the initialisation URL, the sending URL and receiving URL. The function mxSession.post is now named notify and the post event is also renamed to notify. mxSession.urlPost has been renamed to Session.urlNotify. The preview action for CSS links in VML has been corrected. Tooltips on palette items in Firefox were not displaying correctly for icons used for drag and drop. This has now been corrected.

It is now possible to insert a custom conditions in actions in the XML config file so popup menus can be configured just in this configuration file. mxGraph.addEdge has been added so that the event fired correctly describes the addition of the edge. mxGraph.isCellVisible and isCellCollapsed have been added so that they might be overridden to call something other than the model, for example, the view, to implement a filter.

The CSS overflow property is now properly handled across all browsers for hidden, visible and auto modes. When both terminals of an edge are selected and moved, previously the control points were reset. This is no longer the case, since the behaviour did not make sense. The mxEditor.getUrlPost method has been added, which may replace the variable, for greater flexibility with dynamic URLs.

isEnabled in the handlers has been renamed to enabled for consistency and the isEnabled() and setEnabled() methods have been added to access them. An additional click was required to activate tooltips in Internet Explorer, this is now fixed. mxTooltipHandler.isEnabled has been renamed to enabled and accessor methods added for it. mxObjectCodec has been refactored to reduce the method sizes.

Cell ID types are now strings in strongly typed back-ends, like Java and .NET. mxGraphSelection.doAddCell and doClear have been renamed to tryAddCell and tryClear. mxCell.transient has been renamed to mxCell.mxTransient. Clearing the selection in IE only happens now if the event is handled in mxGraph, previously, events outside of the container cleared the selection.

This release fixes the majority of important outstanding bugs due for the 1.0 release. mxGraph is feature complete for the first stable release with a few outstanding bugs. Assuming no showstoppers are reported the next release will be the 1.0 final. Also of note, a new mxDraw example has been added, which demonstrates a generic drawing application. Some unification of method and class names was performed, resulting in the following changes: * mxXMLRequest -> mxXmlRequest * mxUtils.createXMLDocument -> mxUtils.createXmlDocument * mxUtils.getInnerHTML -> mxUtils.getInnerHtml * mxUtils.parseXML -> mxUtils.parseXml * mxUtils.getXML -> mxUtils.getXml * mxShape.createSVGGroup -> mxShape.createSvgGroup * mxShape.createSVGShadow -> mxShape.createSvgShadow * mxShape.createSVGGradient -> mxShape.createSvgGradient * mxShape.configureHTMLShape -> mxShape.configureHtmlShape * mxShape.configureVMLShape -> mxShape.configureVmlShape * mxShape.configureSVGShape -> mxShape.configureSvgShape * mxShape.updateHTMLShape -> mxShape.updateHtmlShape * mxShape.updateVMLShape -> mxShape.updateVmlShape * mxShape.updateSVGShape -> mxShape.updateSvgShape mxEdior and mxSession have had added linefeed encoding parameters so that the linefeed used by the back-end may be set. The popup menu had a bug fixed where the popup position was not taking in account whether a window was scrolled. The creation of strings for VML and SVG have been factored out in mxCylinder so it is easier to customize the shape. mxShape.apply now accounts for the state of a shape rather than just the style. Pressing control and clicking in Firefox has the default behaviour in the browser to open images in a new window. mxGraph now overrides this behaviour to prevent it happening. mxGraphModel has a new method getNearestCommonAncestor which determines the first common ancestor in a tree for two nodes. mxGraph has the helper methods getChildren and getCurrentRoot added. getCurrentRoot obtains the root node of the view (i.e. the root node of the display). Shift-click has been added as a popup menu trigger for Mac browsers and Opera. The gradient rendering of mxCylinder in IE using VML has been fixed. mxUtils has a new method, htmlEntities, which replaces the greater than, the less than and quotes symbols for you. The event processing of edge labels has been corrected. Previously you had to double click on the edge to edit a label, now the event correctly fires on the actual edge label. You can also grab edges by their labels. mxGraph.selectCells used to select group cells, but now only leaves are returned. The method mxGraph.filterCells has been moved to mxGraphModel.getCells. The gradient rendering for swimlane titles in IE (using VML) used to just show the colour, not the gradient, this is resolved. mxGraph.getSwimlaneAt now returns the innermost swimlane of the position, rather than the topmost that matched. The mxEditor.connect method has been added to assist with starting a new session. Two URLs are accepted as parameters, one is the initialisation URL and the other is the URL used to maintain communications with the backend for this session. The session object for the session created is then returned. The default value for mxGraph.isSwimlaneNesting is to now set to true. The methods selectVertices and selectEdges have been added as action types in mxEditor. The line breaks from mxUtils.link, linkInvoke, linkAction were removed to enable the method to be used for more general purposes. Many of the default values in mxEditor have been set to false, this is to ensure you do not get implicit behaviours you are not expecting, without having explicitly enabled them. The new mxEditor.isMovePropertiesDialog defines whether or not the properties dialog is moved when invoked at another position whilst the dialog is open somewhere else. The methods mxWindow getX and getY have been added to obtain the window position. The perimeter of vertices has been changed to take into account any spacing due to a STYLE_BORDER being set on the vertex. mxClient.langua

This release adds experimental support for Opera 9.x. A bug has been resolved that caused a stack overflow due to a possible infinite loop. Another bug involving newlines parsing in the XML files has also been fixed. Warnings have been added to the console output and various additions to the API specification and tutorial documentation have been made.

This release fixes incorrect border widths for heavyweight cells when scaled. It also allows diagram properties to be removed in configureDiagramPane(). Repainting on Mac OS X is fixed to avoid artifacts on the screen and huge memory usage when dragging and resizing cells. The performance of the double buffering mechanism is also improved to speed up redrawing.

Double buffering in JGraph previously consisted of off-screen buffers created in the root handles and size handles to buffer drag-and-resize previews on a per-case basis. However, the review buffered the entire graph image, so recreating the buffer on each operation was expensive in CPU terms. The off-screen buffer and off-screen graphics that are the graphics object of the buffer have been moved to the JGraph class. Also, the cachedLabelBounds and cachedExtraLabelBounds variables in EdgeView were never set (since getLabelBounds() and getExtraLabelBounds() were never called) and have been removed.

In addition to supporting an image on the background, a Component may now be drawn as the JGraph background for applications such as mapping. Some performance improvements have been made in the GraphLayoutCache relating to making cells invisible. In the model there have also been performance improvements around the functionality that removes cells.

The graph variable in EdgeRenderer has been replaced with a weak reference to ensure that static edge renderers release their reference to the current graph when all other objects do. Also, an example showing the use of a custom cell view factory and an example showing a selection model being synchronized between a graph and a tree were added to the examples package.

This release adds an orthogonal edge router, this layout routes the edges around the graph in horizontal and vertical segments so as to attempt to avoid overlapping the vertices. A bug in isVertex() was fixed so that vertices are not now ignored in layouts under certain conditions. The JGraphModelFacade is introduced to provide a means to layout a graph without a JGraph component, this is mainly intended for server-side layout requirements. An online dynamic thesaurus example has been added, the performance of the hierarchical layout improved and a number of other bug fixes made.

A bug fix to a performance improvement made to the default graph model in 5.7.4.5 was required. Fixed ports that connected to floating ports were connecting to the wrong perimeter position on the floating port, this is now resolved. The "port magic" functionality that moves ports to attempt to straighten edges was incorrectly using the mouse position, it now no longer does so.

A number of performance improvements were made in specific areas, mostly related to lazy instantiation and correct sizing of collections. addPort() was added to DefaultGraphCell to make creating ports easier. hiddenMapping in the GraphLayoutCache is now a WeakHashMap to avoid any possible memory leaks when cells are deleted. Also, in the GraphLayoutCache a helper method, removeViewLocalAttribute(), assists in the process of removing view local attributes and copying them into the model if required. A version of getPortViewAt with a custom tolerance was added to the JGraph class.

This release fixes serialization and XML encoding of the JGraph class. It is now possible to serialize and/or encode a graph using Serialization and the built-in XMLEncoder. A new example (SerialGraph) has been added to the commercial distribution to demonstrate the use of Serialization in a simple environment, and the GraphEdX example has been updated the showcase both Serialization and xml encoding of a graph in more complex situations. To allow serialization of the graph the JGraph class handles the marquee handler field in the writeObject and readObject methods by serializing it if it is serializable. Furthermore, the listener list field in the layout cache can no longer be transient. Other fixes include finding the correct position when inserting control points into edges and checking if the cell is selected in the mouse handle.