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package org.apache.tapestry.contrib.tree.components; |
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import org.apache.commons.logging.Log; |
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import org.apache.commons.logging.LogFactory; |
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import org.apache.tapestry.BaseComponent; |
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import org.apache.tapestry.IAsset; |
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import org.apache.tapestry.IMarkupWriter; |
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import org.apache.tapestry.IRender; |
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import org.apache.tapestry.IRequestCycle; |
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import org.apache.tapestry.contrib.tree.model.ITreeModelSource; |
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import org.apache.tapestry.contrib.tree.model.ITreeRowSource; |
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import org.apache.tapestry.contrib.tree.model.ITreeStateListener; |
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import org.apache.tapestry.contrib.tree.model.ITreeStateModel; |
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import org.apache.tapestry.contrib.tree.model.TreeRowObject; |
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import org.apache.tapestry.contrib.tree.model.TreeStateEvent; |
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import org.apache.tapestry.contrib.tree.simple.SimpleNodeRenderFactory; |
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import org.apache.tapestry.engine.IPageLoader; |
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import org.apache.tapestry.event.PageDetachListener; |
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import org.apache.tapestry.event.PageEvent; |
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import org.apache.tapestry.spec.ComponentSpecification; |
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import org.apache.tapestry.util.ComponentAddress; |
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public abstract class TreeNodeView extends BaseComponent implements |
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PageDetachListener |
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{ |
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private static final Log LOG = LogFactory.getLog(TreeNodeView.class); |
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private Boolean m_objNodeState; |
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private Boolean m_objShowNodeImages; |
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private INodeRenderFactory m_objNodeRenderFactory; |
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private IAsset m_objOpenNodeImage; |
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private IAsset m_objCloseNodeImage; |
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private int m_currentForeachConnectImageValue = TreeRowObject.LINE_CONN_IMG; |
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public TreeNodeView() |
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{ |
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super(); |
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initialize(); |
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} |
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public abstract INodeRenderFactory getNodeRenderFactoryParameter(); |
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public abstract Boolean getShowNodeImages(); |
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private void initialize() |
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{ |
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m_objNodeState = null; |
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m_objShowNodeImages = null; |
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m_objNodeRenderFactory = null; |
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m_currentForeachConnectImageValue = TreeRowObject.LINE_CONN_IMG; |
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} |
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|
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public IRender getCurrentRenderer() |
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{ |
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INodeRenderFactory objRenderFactory = getNodeRenderFactory(); |
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ITreeRowSource objTreeRowSource = getTreeRowSource(); |
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return objRenderFactory.getRender(objTreeRowSource.getTreeRow() |
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.getTreeNode(), getTreeModelSource(), getPage() |
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.getRequestCycle()); |
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} |
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|
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public Object[] getNodeContext() |
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{ |
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ITreeModelSource objModelSource = getTreeModelSource(); |
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ComponentAddress objModelSourceAddress = new ComponentAddress( |
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objModelSource); |
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ITreeRowSource objTreeRowSource = getTreeRowSource(); |
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TreeRowObject objTreeRowObject = objTreeRowSource.getTreeRow(); |
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Object objValueUID = objTreeRowObject.getTreeNodeUID(); |
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if (LOG.isDebugEnabled()) |
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{ |
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LOG.debug("getNodeContext objValueUID = " + objValueUID); |
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} |
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return new Object[] { objValueUID, new Boolean(isNodeOpen()), |
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objModelSourceAddress }; |
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} |
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public void nodeExpandCollaps(IRequestCycle cycle) |
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{ |
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Object[] context = cycle.getListenerParameters(); |
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Object objValueUID = null; |
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if (context != null && context.length > 0) |
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{ |
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objValueUID = context[0]; |
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} |
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ComponentAddress objModelSourceAddress = (ComponentAddress) context[2]; |
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ITreeModelSource objTreeModelSource = (ITreeModelSource) objModelSourceAddress |
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.findComponent(cycle); |
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|
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ITreeStateModel objStateModel = objTreeModelSource.getTreeModel() |
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.getTreeStateModel(); |
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boolean bState = objStateModel.isUniqueKeyExpanded(objValueUID); |
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|
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if (bState) |
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{ |
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objStateModel.collapse(objValueUID); |
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fireNodeCollapsed(objValueUID, objTreeModelSource); |
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} |
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else |
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{ |
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objStateModel.expandPath(objValueUID); |
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fireNodeExpanded(objValueUID, objTreeModelSource); |
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} |
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} |
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public void nodeSelect(IRequestCycle cycle) |
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{ |
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Object[] context = cycle.getListenerParameters(); |
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Object objValueUID = null; |
153 |
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if (context != null && context.length > 0) |
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{ |
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objValueUID = context[0]; |
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} |
157 |
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ComponentAddress objModelSourceAddress = (ComponentAddress) context[2]; |
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ITreeModelSource objTreeModelSource = (ITreeModelSource) objModelSourceAddress |
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.findComponent(cycle); |
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|
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ITreeStateModel objStateModel = objTreeModelSource.getTreeModel() |
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.getTreeStateModel(); |
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Object objSelectedNodeInState = objStateModel.getSelectedNode(); |
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|
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if (objValueUID.equals(objSelectedNodeInState)) |
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{ |
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return; |
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} |
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objStateModel.setSelectedNode(objValueUID); |
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fireNodeSelected(objValueUID, objTreeModelSource); |
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} |
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private void fireNodeSelected(Object objValueUID, |
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ITreeModelSource objTreeModelSource) |
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{ |
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deliverEvent(TreeStateEvent.SELECTED_NODE_CHANGED, objValueUID, |
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objTreeModelSource); |
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} |
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private void fireNodeCollapsed(Object objValueUID, |
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ITreeModelSource objTreeModelSource) |
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{ |
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deliverEvent(TreeStateEvent.NODE_COLLAPSED, objValueUID, |
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objTreeModelSource); |
189 |
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} |
190 |
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private void fireNodeExpanded(Object objValueUID, |
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ITreeModelSource objTreeModelSource) |
193 |
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{ |
194 |
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deliverEvent(TreeStateEvent.NODE_EXPANDED, objValueUID, |
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objTreeModelSource); |
196 |
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} |
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private void deliverEvent(int nEventUID, Object objValueUID, |
199 |
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ITreeModelSource objTreeModelSource) |
200 |
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{ |
201 |
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ITreeStateListener objListener = objTreeModelSource |
202 |
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.getTreeStateListener(); |
203 |
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if (objListener != null) |
204 |
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{ |
205 |
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TreeStateEvent objEvent = new TreeStateEvent(nEventUID, |
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objValueUID, objTreeModelSource.getTreeModel() |
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.getTreeStateModel()); |
208 |
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objListener.treeStateChanged(objEvent); |
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} |
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|
211 |
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} |
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public void pageDetached(PageEvent arg0) |
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{ |
215 |
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initialize(); |
216 |
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} |
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public void finishLoad(IRequestCycle objCycle, IPageLoader arg0, |
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ComponentSpecification arg1) |
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{ |
221 |
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super.finishLoad(objCycle, arg0, arg1); |
222 |
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getPage().addPageDetachListener(this); |
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|
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m_objOpenNodeImage = getAsset("_openNodeImage"); |
225 |
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m_objCloseNodeImage = getAsset("_closeNodeImage"); |
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} |
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public boolean isNodeOpen() |
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{ |
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if (m_objNodeState == null) |
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{ |
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ITreeRowSource objTreeRowSource = getTreeRowSource(); |
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TreeRowObject objTreeRowObject = objTreeRowSource.getTreeRow(); |
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Object objValueUID = objTreeRowObject.getTreeNodeUID(); |
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ITreeModelSource objTreeModelSource = getTreeModelSource(); |
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ITreeStateModel objStateModel = objTreeModelSource.getTreeModel() |
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.getTreeStateModel(); |
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boolean bState = objStateModel.isUniqueKeyExpanded(objValueUID); |
239 |
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m_objNodeState = new Boolean(bState); |
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} |
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return m_objNodeState.booleanValue(); |
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} |
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public IAsset getNodeImage() |
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{ |
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IAsset objResult = null; |
252 |
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ITreeRowSource objRowSource = getTreeRowSource(); |
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boolean bLeaf = objRowSource.getTreeRow().getLeaf(); |
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int nRowType = objRowSource.getTreeRow().getTreeRowPossiotionType(); |
255 |
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if (!bLeaf) |
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{ |
257 |
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if (isNodeOpen()) |
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{ |
259 |
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switch(nRowType) |
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{ |
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case TreeRowObject.FIRST_LAST_ROW: |
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{ |
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objResult = getAsset("_topLastOpenNodeImage"); |
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break; |
265 |
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} |
266 |
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267 |
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case TreeRowObject.FIRST_ROW: |
268 |
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{ |
269 |
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objResult = getAsset("_topOpenNodeImage"); |
270 |
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break; |
271 |
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} |
272 |
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273 |
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case TreeRowObject.MIDDLE_ROW: |
274 |
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{ |
275 |
0 |
objResult = getAsset("_middleOpenNodeImage"); |
276 |
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break; |
277 |
|
} |
278 |
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|
279 |
|
case TreeRowObject.LAST_ROW: |
280 |
|
{ |
281 |
0 |
objResult = getAsset("_bottomOpenNodeImage"); |
282 |
0 |
break; |
283 |
|
} |
284 |
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|
285 |
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default: |
286 |
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{ |
287 |
0 |
objResult = getAsset("_openNodeImage"); |
288 |
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break; |
289 |
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} |
290 |
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} |
291 |
|
} |
292 |
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else |
293 |
|
{ |
294 |
0 |
switch(nRowType) |
295 |
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{ |
296 |
|
case TreeRowObject.FIRST_LAST_ROW: |
297 |
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{ |
298 |
0 |
objResult = getAsset("_topLastCloseNodeImage"); |
299 |
0 |
break; |
300 |
|
} |
301 |
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|
302 |
|
case TreeRowObject.FIRST_ROW: |
303 |
|
{ |
304 |
0 |
objResult = getAsset("_topCloseNodeImage"); |
305 |
0 |
break; |
306 |
|
} |
307 |
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|
308 |
|
case TreeRowObject.MIDDLE_ROW: |
309 |
|
{ |
310 |
0 |
objResult = getAsset("_middleCloseNodeImage"); |
311 |
0 |
break; |
312 |
|
} |
313 |
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|
314 |
|
case TreeRowObject.LAST_ROW: |
315 |
|
{ |
316 |
0 |
objResult = getAsset("_bottomCloseNodeImage"); |
317 |
0 |
break; |
318 |
|
} |
319 |
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|
320 |
|
default: |
321 |
|
{ |
322 |
0 |
objResult = getAsset("_closeNodeImage"); |
323 |
0 |
break; |
324 |
|
} |
325 |
|
} |
326 |
|
} |
327 |
|
} |
328 |
|
else |
329 |
|
{ |
330 |
0 |
switch(nRowType) |
331 |
|
{ |
332 |
|
case TreeRowObject.FIRST_LAST_ROW: |
333 |
|
{ |
334 |
0 |
objResult = getAsset("_topLineImage"); |
335 |
0 |
break; |
336 |
|
} |
337 |
|
|
338 |
|
case TreeRowObject.FIRST_ROW: |
339 |
|
{ |
340 |
0 |
objResult = getAsset("_topLineImage"); |
341 |
0 |
break; |
342 |
|
} |
343 |
|
|
344 |
|
case TreeRowObject.MIDDLE_ROW: |
345 |
|
{ |
346 |
0 |
objResult = getAsset("_middleCrossLineImage"); |
347 |
0 |
break; |
348 |
|
} |
349 |
|
|
350 |
|
case TreeRowObject.LAST_ROW: |
351 |
|
{ |
352 |
0 |
objResult = getAsset("_bottomLineImage"); |
353 |
0 |
break; |
354 |
|
} |
355 |
|
|
356 |
|
default: |
357 |
|
{ |
358 |
0 |
objResult = getAsset("_bottomLineImage"); |
359 |
|
break; |
360 |
|
} |
361 |
|
} |
362 |
|
|
363 |
|
} |
364 |
0 |
return objResult; |
365 |
|
} |
366 |
|
|
367 |
|
public IAsset getNodeImageOld() |
368 |
|
{ |
369 |
0 |
if (isNodeOpen()) |
370 |
|
{ |
371 |
0 |
if (m_objOpenNodeImage == null) |
372 |
|
{ |
373 |
0 |
m_objOpenNodeImage = getAsset("_openNodeImage"); |
374 |
|
} |
375 |
0 |
return m_objOpenNodeImage; |
376 |
|
} |
377 |
|
|
378 |
0 |
if (m_objCloseNodeImage == null) |
379 |
|
{ |
380 |
0 |
m_objCloseNodeImage = getAsset("_closeNodeImage"); |
381 |
|
} |
382 |
0 |
return m_objCloseNodeImage; |
383 |
|
} |
384 |
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|
385 |
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|
386 |
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|
387 |
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|
388 |
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|
389 |
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|
390 |
|
public IAsset getCloseNodeImage() |
391 |
|
{ |
392 |
0 |
return m_objCloseNodeImage; |
393 |
|
} |
394 |
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395 |
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|
396 |
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|
397 |
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|
398 |
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|
399 |
|
|
400 |
|
public IAsset getOpenNodeImage() |
401 |
|
{ |
402 |
0 |
return m_objOpenNodeImage; |
403 |
|
} |
404 |
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|
405 |
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|
406 |
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|
407 |
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|
408 |
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|
409 |
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|
410 |
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|
411 |
|
public void setCloseNodeImage(IAsset closeNodeImage) |
412 |
|
{ |
413 |
0 |
m_objCloseNodeImage = closeNodeImage; |
414 |
0 |
} |
415 |
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416 |
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417 |
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|
418 |
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|
419 |
|
|
420 |
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|
421 |
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|
422 |
|
public void setOpenNodeImage(IAsset openNodeImage) |
423 |
|
{ |
424 |
0 |
m_objOpenNodeImage = openNodeImage; |
425 |
0 |
} |
426 |
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|
427 |
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|
428 |
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|
429 |
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|
430 |
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|
431 |
|
protected void renderComponent(IMarkupWriter arg0, IRequestCycle arg1) |
432 |
|
{ |
433 |
0 |
super.renderComponent(arg0, arg1); |
434 |
0 |
m_objNodeState = null; |
435 |
0 |
} |
436 |
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|
437 |
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|
438 |
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|
439 |
|
|
440 |
|
|
441 |
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|
442 |
|
public Boolean isShowNodeImages() |
443 |
|
{ |
444 |
0 |
if (m_objShowNodeImages == null) |
445 |
|
{ |
446 |
0 |
if (isParameterBound("nodeRenderFactory")) |
447 |
|
{ |
448 |
0 |
m_objShowNodeImages = getShowNodeImages(); |
449 |
|
} |
450 |
|
else |
451 |
|
{ |
452 |
0 |
m_objShowNodeImages = Boolean.TRUE; |
453 |
|
} |
454 |
|
|
455 |
|
} |
456 |
0 |
return m_objShowNodeImages; |
457 |
|
} |
458 |
|
|
459 |
|
public boolean getShowImages() |
460 |
|
{ |
461 |
0 |
boolean bResult = isShowNodeImages().booleanValue(); |
462 |
0 |
return bResult; |
463 |
|
} |
464 |
|
|
465 |
|
public boolean getShowWithoutImages() |
466 |
|
{ |
467 |
0 |
boolean bResult = !isShowNodeImages().booleanValue(); |
468 |
0 |
return bResult; |
469 |
|
} |
470 |
|
|
471 |
|
public String getOffsetStyle() |
472 |
|
{ |
473 |
|
|
474 |
0 |
ITreeRowSource objTreeRowSource = getTreeRowSource(); |
475 |
0 |
TreeRowObject objTreeRowObject = objTreeRowSource.getTreeRow(); |
476 |
0 |
int nTreeRowDepth = 0; |
477 |
0 |
if (objTreeRowObject != null) |
478 |
|
{ |
479 |
0 |
nTreeRowDepth = objTreeRowObject.getTreeRowDepth(); |
480 |
0 |
if (nTreeRowDepth != 0) nTreeRowDepth = nTreeRowDepth - 1; |
481 |
|
} |
482 |
0 |
return "padding-left: " + nTreeRowDepth * 19 + "px"; |
483 |
|
} |
484 |
|
|
485 |
|
public INodeRenderFactory getNodeRenderFactory() |
486 |
|
{ |
487 |
0 |
if (m_objNodeRenderFactory == null) |
488 |
|
{ |
489 |
0 |
if (isParameterBound("nodeRenderFactory")) |
490 |
0 |
m_objNodeRenderFactory = getNodeRenderFactoryParameter(); |
491 |
0 |
else m_objNodeRenderFactory = new SimpleNodeRenderFactory(); |
492 |
|
} |
493 |
0 |
return m_objNodeRenderFactory; |
494 |
|
} |
495 |
|
|
496 |
|
public abstract boolean getMakeNodeDirect(); |
497 |
|
|
498 |
|
public boolean getMakeNodeNoDirect() |
499 |
|
{ |
500 |
0 |
return !getMakeNodeDirect(); |
501 |
|
} |
502 |
|
|
503 |
|
public String getCleanSelectedID() |
504 |
|
{ |
505 |
0 |
return getSelectedNodeID(); |
506 |
|
} |
507 |
|
|
508 |
|
public String getSelectedID() |
509 |
|
{ |
510 |
0 |
ITreeRowSource objTreeRowSource = getTreeRowSource(); |
511 |
0 |
ITreeModelSource objTreeModelSource = getTreeModelSource(); |
512 |
0 |
TreeRowObject objTreeRowObject = objTreeRowSource.getTreeRow(); |
513 |
0 |
Object objNodeValueUID = objTreeRowObject.getTreeNodeUID(); |
514 |
0 |
Object objSelectedNode = objTreeModelSource.getTreeModel() |
515 |
|
.getTreeStateModel().getSelectedNode(); |
516 |
0 |
if (objNodeValueUID.equals(objSelectedNode)) { return getSelectedNodeID(); } |
517 |
0 |
return ""; |
518 |
|
} |
519 |
|
|
520 |
|
private String getSelectedNodeID() |
521 |
|
{ |
522 |
|
|
523 |
0 |
return "tree"; |
524 |
|
} |
525 |
|
|
526 |
|
public String getNodeStyleClass() |
527 |
|
{ |
528 |
0 |
ITreeRowSource objTreeRowSource = getTreeRowSource(); |
529 |
0 |
ITreeModelSource objTreeModelSource = getTreeModelSource(); |
530 |
0 |
TreeRowObject objTreeRowObject = objTreeRowSource.getTreeRow(); |
531 |
0 |
boolean bResult = false; |
532 |
0 |
if (objTreeRowObject != null) |
533 |
|
{ |
534 |
0 |
Object objNodeValueUID = objTreeRowObject.getTreeNodeUID(); |
535 |
0 |
Object objSelectedNode = objTreeModelSource.getTreeModel() |
536 |
|
.getTreeStateModel().getSelectedNode(); |
537 |
0 |
bResult = objNodeValueUID.equals(objSelectedNode); |
538 |
|
} |
539 |
0 |
if (bResult) { return "selectedNodeViewClass"; } |
540 |
|
|
541 |
0 |
return "notSelectedNodeViewClass"; |
542 |
|
} |
543 |
|
|
544 |
|
public ITreeRowSource getTreeRowSource() |
545 |
|
{ |
546 |
0 |
ITreeRowSource objSource = (ITreeRowSource) getPage().getRequestCycle() |
547 |
|
.getAttribute(ITreeRowSource.TREE_ROW_SOURCE_ATTRIBUTE); |
548 |
0 |
return objSource; |
549 |
|
} |
550 |
|
|
551 |
|
public ITreeModelSource getTreeModelSource() |
552 |
|
{ |
553 |
0 |
ITreeModelSource objSource = (ITreeModelSource) getPage() |
554 |
|
.getRequestCycle().getAttribute( |
555 |
|
ITreeModelSource.TREE_MODEL_SOURCE_ATTRIBUTE); |
556 |
0 |
return objSource; |
557 |
|
} |
558 |
|
|
559 |
|
public boolean getShowConnectImage() |
560 |
|
{ |
561 |
0 |
ITreeRowSource objRowSource = getTreeRowSource(); |
562 |
0 |
int nRowType = objRowSource.getTreeRow().getTreeRowPossiotionType(); |
563 |
0 |
if (TreeRowObject.MIDDLE_ROW == nRowType) return true; |
564 |
0 |
return false; |
565 |
|
} |
566 |
|
|
567 |
|
public int[] getForeachConnectImageList() |
568 |
|
{ |
569 |
0 |
ITreeRowSource objTreeRowSource = getTreeRowSource(); |
570 |
0 |
TreeRowObject objTreeRowObject = objTreeRowSource.getTreeRow(); |
571 |
0 |
return objTreeRowObject.getLineConnImages(); |
572 |
|
} |
573 |
|
|
574 |
|
public boolean getDisableLink() |
575 |
|
{ |
576 |
0 |
ITreeRowSource objRowSource = getTreeRowSource(); |
577 |
0 |
boolean bLeaf = objRowSource.getTreeRow().getLeaf(); |
578 |
0 |
return bLeaf; |
579 |
|
} |
580 |
|
|
581 |
|
|
582 |
|
|
583 |
|
|
584 |
|
|
585 |
|
|
586 |
|
public IAsset getConnectImage() |
587 |
|
{ |
588 |
0 |
IAsset objResult = null; |
589 |
0 |
int nConnectImageType = getCurrentForeachConnectImageValue(); |
590 |
0 |
switch(nConnectImageType) |
591 |
|
{ |
592 |
|
case TreeRowObject.EMPTY_CONN_IMG: |
593 |
|
{ |
594 |
0 |
objResult = getAsset("_whiteSpaceImage"); |
595 |
0 |
break; |
596 |
|
} |
597 |
|
|
598 |
|
case TreeRowObject.LINE_CONN_IMG: |
599 |
|
{ |
600 |
0 |
objResult = getAsset("_middleLineImage"); |
601 |
0 |
break; |
602 |
|
} |
603 |
|
|
604 |
|
default: |
605 |
|
{ |
606 |
0 |
objResult = getAsset("_whiteSpaceImage"); |
607 |
|
break; |
608 |
|
} |
609 |
|
} |
610 |
0 |
return objResult; |
611 |
|
} |
612 |
|
|
613 |
|
|
614 |
|
|
615 |
|
|
616 |
|
public int getCurrentForeachConnectImageValue() |
617 |
|
{ |
618 |
0 |
return m_currentForeachConnectImageValue; |
619 |
|
} |
620 |
|
|
621 |
|
|
622 |
|
|
623 |
|
|
624 |
|
|
625 |
|
public void setCurrentForeachConnectImageValue( |
626 |
|
int currentForeachConnectImageValue) |
627 |
|
{ |
628 |
0 |
m_currentForeachConnectImageValue = currentForeachConnectImageValue; |
629 |
0 |
} |
630 |
|
} |