public ProjectTreePanel(
EntityCollection entityCollection,
SymbolGraphic symbolGraphic,
String panelName,
KinDiagramPanel kinDiagramPanel,
GraphPanel graphPanel,
MessageDialogHandler dialogHandler,
ArbilDataNodeLoader dataNodeLoader) {
super(new BorderLayout());
this.setName(panelName);
this.entityCollection = entityCollection;
this.symbolGraphic = symbolGraphic;
this.panelName = panelName;
this.kinDiagramPanel = kinDiagramPanel;
this.graphPanel = graphPanel;
this.dataNodeLoader = dataNodeLoader;
this.dialogHandler = dialogHandler;
this.rootNode = new ProjectNode(entityCollection, panelName);
kinTree = new KinTree(kinDiagramPanel, graphPanel, rootNode);
kinTree.setBackground(this.getBackground());
this.add(new JScrollPane(kinTree), BorderLayout.CENTER);
progressBar = new JProgressBar();
ActionListener actionListener =
new ActionListener() {
public void actionPerformed(ActionEvent e) {
if ("<".equals(e.getActionCommand())) {
currentPage--;
} else if (">".equals(e.getActionCommand())) {
currentPage++;
}
showPage();
}
};
final JButton previousButton = new JButton("<");
final JButton nextButton = new JButton(">");
currentPageLabel = new JLabel("", JLabel.CENTER);
previousButton.setActionCommand("<");
nextButton.setActionCommand(">");
previousButton.addActionListener(actionListener);
nextButton.addActionListener(actionListener);
final Dimension preferredSize = previousButton.getPreferredSize();
final Dimension buttonDimension = new Dimension(preferredSize.height, preferredSize.height);
previousButton.setPreferredSize(buttonDimension);
nextButton.setPreferredSize(buttonDimension);
pagePanel = new JPanel(new BorderLayout());
pagePanel.add(previousButton, BorderLayout.LINE_START);
pagePanel.add(currentPageLabel, BorderLayout.CENTER);
pagePanel.add(nextButton, BorderLayout.LINE_END);
}
private void showPage() {
if (treeNodesArray != null) {
int pageCount = treeNodesArray.size() / maxNodesPerPage;
if (currentPage < 0) {
currentPage = 0;
}
if (currentPage > pageCount) {
currentPage = pageCount;
}
final int startNode = currentPage * maxNodesPerPage;
int endNode = startNode + maxNodesPerPage;
if (endNode > treeNodesArray.size()) {
endNode = treeNodesArray.size();
}
currentPageLabel.setText((currentPage + 1) + " of " + (pageCount + 1));
rootNode.setChildNodes(
treeNodesArray.subList(startNode, endNode).toArray(new ArbilNode[] {}));
kinTree.requestResort();
}
progressBar.setVisible(false);
ProjectTreePanel.this.remove(progressBar);
ProjectTreePanel.this.add(pagePanel, BorderLayout.PAGE_END);
this.revalidate();
}
@Override
public void setTransferHandler(TransferHandler newHandler) {
kinTree.setTransferHandler(newHandler);
kinTree.setDragEnabled(true);
}
public void loadProjectTree() {
ProjectTreePanel.this.remove(pagePanel);
ProjectTreePanel.this.add(progressBar, BorderLayout.PAGE_END);
progressBar.setVisible(true);
progressBar.setIndeterminate(true);
this.revalidate();
kinTree.requestResort();
new Thread() {
@Override
public void run() {
boolean projectQueryRunning = ATOMIC_BOOLEAN.getAndSet(true);
synchronized (lockObject) {
final ArrayList<KinTreeNode> tempTreeNodesArray = new ArrayList<KinTreeNode>();
if (!projectQueryRunning && updateRequired) {
try {
EntityData[] projectEntities =
entityCollection.getEntityByEndPoint(
DataTypes.RelationType.ancestor, graphPanel.getIndexParameters());
for (EntityData entityData : projectEntities) {
boolean isHorizontalEndPoint = true;
// this check is for end points that have a sibling or spouse who are not an end
// point, but it is removed because it is not possible to browse to a spouse or
// sibling in a directional branch
// for (EntityRelation entityRelation :
// entityData.getAllRelations()) {
// if (entityRelation.getAlterNode() == null) {
// // if the alter node has not been loaded then it must
// not be an end point
// if (entityRelation.getRelationType() ==
// DataTypes.RelationType.union || entityRelation.getRelationType() ==
// DataTypes.RelationType.sibling) {
// isHorizontalEndPoint = false;
// break;
// }
// }
// }
if (isHorizontalEndPoint) {
// todo: add cache and update (on change) of the tree nodes
tempTreeNodesArray.add(
new KinTreeNode(
symbolGraphic,
entityData.getUniqueIdentifier(),
entityData,
graphPanel.dataStoreSvg,
graphPanel.getIndexParameters(),
dialogHandler,
entityCollection,
dataNodeLoader));
}
}
Collections.sort(tempTreeNodesArray);
updateRequired = false;
} catch (EntityServiceException exception) {
dialogHandler.addMessageDialogToQueue(exception.getMessage(), "Get Project Entities");
}
}
treeNodesArray = tempTreeNodesArray;
SwingUtilities.invokeLater(
new Runnable() {
public void run() {
showPage();
}
});
ATOMIC_BOOLEAN.set(false);
}
}
}.start();
}
