That was exactly what i needed. Thanks again!
2010/12/13 Chris Bartlett <[email protected]> > Eugene, > > OK, I think I understand now. > > Is this right? > - You have a some data that needs to be represented in a TreeView. > - That data consists of your objects, some of which contain an flag to > represent some kind of state. > - You want the TreeView to display this state as a checked checkbox. > > > TreeView maintains an internal list of checked nodes. > This list can queried with > - isNodeChecked(Path) > - getCheckedPaths() > - getNodeCheckState(Path) > but can only be altered externally via > - setNodeChecked(Path, boolean) > > So ultimately I think you will need to call setNodeChecked(Path, boolean) > unless you create a subclass of TreeView and handle the checkbox state > yourself somehow. > > I have attached some sample code to show that this should not be a > particularly difficult task. (It was written against the pre-release Pivot > 2.0 and checked against 1.5.2.) > You can use the 'userData' property of TreeNode and TreeView to hold a > reference to your real object. > You can easily iterate over a tree of data using > org.apache.pivot.collections.Sequence.Tree.DepthFirstItemIterator. > > If required you can register listeners for when the checked state changes > if you need to update your own object's state. (Not shown in the demo) > > While this example uses the provided TreeView and TreeNode classes, you do > not have to. > See here http://pivot.apache.org/tutorials/tree-views.html > Any object in a TreeView's data set which implements > org.apache.pivot.collections.List will be treated as a branch. Others will > be treated as nodes. > > Chris > > On 12 December 2010 21:02, Eugene Kondrashev > <[email protected]>wrote: > >> I have one more question regarding TreeView and third point. >> >> After reading docs you provided link to, I understood, that i've expressed >> my thought not clear enough. I mean not enable/disable functionality, but >> checked/unchecked instead. How can i map my data object 'enable' flag to the >> checkbox state in suitable way? >> The confusing thing is that i can't do that at TreeNode creation moment. >> >> Thankks, Eugene >> >> 2010/12/10 Chris Bartlett <[email protected]> >> >>> Eugene, >>> >>> Firstly, the Pivot source code for the 1.5.2 release is available on the >>> download page here >>> http://pivot.apache.org/download.cgi#1.5.2 >>> >>> Or from SVN here >>> http://svn.apache.org/repos/asf/pivot/tags/v1.5.2/ >>> >>> The latest 2.0 source is here >>> http://svn.apache.org/repos/asf/pivot/trunk/ >>> >>> The KitchenSink demo is located in the 'tutorials' project here >>> >>> http://svn.apache.org/repos/asf/pivot/tags/v1.5.2/tutorials/src/org/apache/pivot/tutorials/ >>> >>> http://svn.apache.org/repos/asf/pivot/trunk/tutorials/src/org/apache/pivot/tutorials/ >>> >>> >>> >>> 1) If you are using a org.apache.pivot.wtk.content.TreeViewNodeRenderer >>> to render the TreeView, then be aware that it has a 'showIcon' property. >>> >>> http://svn.apache.org/repos/asf/pivot/trunk/tutorials/src/org/apache/pivot/tutorials/explorer/tools/event_logger_skin.bxml >>> >>> >>> 2) >>> It sounds like you are trying to replicate the behaviour that can be seen >>> in the EventLogger window at the bottom right hand side of the >>> ComponentExplorer window. >>> http://pivot.apache.org/demos/component-explorer.html >>> >>> Have a look here, and search for the following string >>> '// Propagate check state upwards or downwards as necessary' >>> >>> http://svn.apache.org/repos/asf/pivot/trunk/tutorials/src/org/apache/pivot/tutorials/explorer/tools/EventLoggerSkin.java >>> >>> >>> 3) >>> Are you aware of the disabledCheckmarkFilter and disabledNodeFilter >>> properties of TableView? >>> >>> http://pivot.apache.org/1.5.2/docs/api/org/apache/pivot/wtk/TreeView.html#setDisabledNodeFilter(org.apache.pivot.util.Filter) >>> >>> If you provide a Filter which knows how to determine your internal >>> 'enabled' flag, the TreeView should take care of the rest. >>> Search for 'checkTreeView.setDisabledNodeFilter(new Filter<TreeNode>() {' >>> here >>> >>> http://svn.apache.org/repos/asf/pivot/trunk/tutorials/src/org/apache/pivot/tutorials/KitchenSink.java >>> >>> >>> Chris >>> >>> On 11 December 2010 02:12, Eugene Kondrashev < >>> [email protected]> wrote: >>> >>>> Hi guys! >>>> >>>> Ive created a checkmark enabled tree view with mixed mode feature. Here >>>> I faced with two problems: >>>> 1. tree node text lable is shiffed relative to checkbox icon. It seems >>>> like there should be a treeNode icon, but i did not set any icons for the >>>> node, why it shows that free space bettween check box and a text label? >>>> 2. I wonder if mixed mode "correct" behaviour is implemented by default. >>>> By correct behaviour i meen example at >>>> http://pivot.apache.org/demos/kitchen-sink.html Trees section. >>>> One of the problem here is that parent node is not getting checked >>>> automatically when all child nodes are checked by user. And vise versa - >>>> child nodes are not getting checked while checking parent node. >>>> I can't find sources of example at kitched-sink page regarding Trees. >>>> Can you help me with that, please? >>>> >>>> >>>> >>>> My code wtkx: >>>> <gsq:GSQCustomerProfileController >>>> xmlns:wtkx="http://pivot.apache.org/wtkx"; >>>> xmlns="org.apache.pivot.wtk" >>>> xmlns:gsq="com.mbt.client.gui.pivot.modules"> >>>> <Border> >>>> <content> >>>> <TablePane> >>>> <columns> >>>> <TablePane.Column width="-1"/> >>>> <TablePane.Column width="1*"/> >>>> </columns> >>>> <rows> >>>> <TablePane.Row height="-1"> >>>> <BoxPane styles="{padding:4, spacing:4, >>>> fill:true}"> >>>> <Border styles="{color:10}"> >>>> <content> >>>> <ScrollPane >>>> horizontalScrollBarPolicy="fill" minimumPreferredWidth="70" >>>> >>>> verticalScrollBarPolicy="fill_to_capacity"> >>>> <view> >>>> <TreeView >>>> wtkx:id="clustersTree" showMixedCheckmarkState="true" >>>> checkmarksEnabled="true"> >>>> </TreeView> >>>> </view> >>>> </ScrollPane> >>>> </content> >>>> </Border> >>>> </BoxPane> >>>> <CardPane wtkx:id="criteriaCardPane"> >>>> </CardPane> >>>> </TablePane.Row> >>>> </rows> >>>> </TablePane> >>>> </content> >>>> </Border> >>>> </gsq:GSQCustomerProfileController> >>>> >>>> Oh, and one more thing. Let say i have aList of some data object with >>>> enabled flag as internal field. As I understood from the api, I need to >>>> create org.apache.pivot.collections.List<TreeBranch> from java.util.List >>>> and >>>> then iterate over tree nodes once again setting enabled flag.. If so that >>>> is >>>> really paintfull. >>>> >>>> Perhaps I'm doing something wrong, please tell me if so. >>>> >>>> public void handleResponse(List<Cluster> retrievedClusters) { >>>> org.apache.pivot.collections.List<TreeBranch> clusters = new >>>> LinkedList<TreeBranch>(); >>>> for (Cluster cluster : retrievedClusters) { >>>> TreeBranch treeBranch = new >>>> TreeBranch(cluster.getName()); >>>> for (Criteria criteria : cluster.getCriteria()) >>>> treeBranch.insert(new TreeNode(criteria.getName()), >>>> 0); >>>> clusters.add(treeBranch); >>>> } >>>> clustersTree.setTreeData(clusters); >>>> } >>>> >>>> Thanks, >>>> Eugene >>>> >>> >>> >> >
