Package org.apache.pivot.collections.Sequence.Tree

Examples of org.apache.pivot.collections.Sequence.Tree.Path

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                    || nodeInfo.isCheckmarkDisabled()
                    || x < nodeX + checkboxX
                    || x >= nodeX + checkboxX + checkboxWidth
                    || y < nodeY + checkboxY
                    || y >= nodeY + checkboxY + checkboxHeight) {
                    Path path = nodeInfo.getPath();

                    // See if the user clicked on an expand/collapse control of
                    // a branch. If so, expand/collapse the branch
                    if (showBranchControls
                        && nodeInfo instanceof BranchInfo
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                    && !nodeInfo.isCheckmarkDisabled()
                    && x >= nodeX + checkboxX
                    && x < nodeX + checkboxX + checkboxWidth
                    && y >= nodeY + checkboxY
                    && y < nodeY + checkboxY + checkboxHeight) {
                    Path path = nodeInfo.getPath();
                    treeView.setNodeChecked(path, !nodeInfo.isChecked());
                } else {
                    if (selectPath != null
                        && count == 1) {
                        TreeView.NodeEditor nodeEditor = treeView.getNodeEditor();
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        TreeView.SelectMode selectMode = treeView.getSelectMode();

        switch (keyCode) {
        case Keyboard.KeyCode.UP: {
            if (selectMode != TreeView.SelectMode.NONE) {
                Path firstSelectedPath = treeView.getFirstSelectedPath();

                int index;
                if (firstSelectedPath != null) {
                    NodeInfo previousSelectedNode = getNodeInfoAt(firstSelectedPath);
                    index = visibleNodes.indexOf(previousSelectedNode);
                } else {
                    // Select the last visible node
                    index = visibleNodes.getLength();
                }

                NodeInfo newSelectedNode = null;
                do {
                    newSelectedNode = (--index >= 0) ? visibleNodes.get(index) : null;
                } while (newSelectedNode != null
                    && newSelectedNode.isDisabled());

                if (newSelectedNode != null) {
                    if (Keyboard.isPressed(Keyboard.Modifier.SHIFT)
                        && treeView.getSelectMode() == TreeView.SelectMode.MULTI) {
                        treeView.addSelectedPath(newSelectedNode.getPath());
                    } else {
                        treeView.setSelectedPath(newSelectedNode.getPath());
                    }
                    treeView.scrollAreaToVisible(getNodeBounds(newSelectedNode));
                }
                consumed = true;
            }

            break;
        }

        case Keyboard.KeyCode.DOWN: {
            if (selectMode != TreeView.SelectMode.NONE) {
                Path lastSelectedPath = treeView.getLastSelectedPath();

                int index;
                if (lastSelectedPath != null) {
                    NodeInfo previousSelectedNode = getNodeInfoAt(lastSelectedPath);
                    index = visibleNodes.indexOf(previousSelectedNode);
                } else {
                    // Select the first visible node
                    index = -1;
                }

                NodeInfo newSelectedNode = null;
                int n = visibleNodes.getLength();
                do {
                    newSelectedNode = (++index <= n - 1) ? visibleNodes.get(index) : null;
                } while (newSelectedNode != null
                    && newSelectedNode.isDisabled());

                if (newSelectedNode != null) {
                    if (Keyboard.isPressed(Keyboard.Modifier.SHIFT)
                        && treeView.getSelectMode() == TreeView.SelectMode.MULTI) {
                        treeView.addSelectedPath(newSelectedNode.getPath());
                    } else {
                        treeView.setSelectedPath(newSelectedNode.getPath());
                    }
                    treeView.scrollAreaToVisible(getNodeBounds(newSelectedNode));
                }
                consumed = true;
            }

            break;
        }

        case Keyboard.KeyCode.LEFT: {
            if (showBranchControls) {
                Sequence<Path> paths = treeView.getSelectedPaths();

                if (paths != null
                    && paths.getLength() > 0) {
                    Path path = paths.get(paths.getLength() - 1);
                    NodeInfo nodeInfo = getNodeInfoAt(path);

                    if (nodeInfo instanceof BranchInfo) {
                        BranchInfo branchInfo = (BranchInfo)nodeInfo;

                        if (branchInfo.isExpanded()) {
                            treeView.collapseBranch(branchInfo.getPath());
                        }
                    }

                    consumed = true;
                }
            }

            break;
        }

        case Keyboard.KeyCode.RIGHT: {
            if (showBranchControls) {
                Sequence<Path> paths = treeView.getSelectedPaths();

                if (paths != null
                    && paths.getLength() > 0) {
                    Path path = paths.get(paths.getLength() - 1);
                    NodeInfo nodeInfo = getNodeInfoAt(path);

                    if (nodeInfo instanceof BranchInfo) {
                        BranchInfo branchInfo = (BranchInfo)nodeInfo;
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        TreeView treeView = (TreeView)getComponent();

        if (keyCode == Keyboard.KeyCode.SPACE) {
            if (treeView.getCheckmarksEnabled()
                && treeView.getSelectMode() == TreeView.SelectMode.SINGLE) {
                Path selectedPath = treeView.getSelectedPath();

                if (selectedPath != null) {
                    NodeInfo nodeInfo = getNodeInfoAt(selectedPath);

                    if (!nodeInfo.isCheckmarkDisabled()) {
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    // TreeView.Skin methods

    @Override
    public Path getNodeAt(int y) {
        Path path = null;

        NodeInfo nodeInfo = getNodeInfoAt(y);

        if (nodeInfo != null) {
            path = nodeInfo.getPath();
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                // Only branch nodes can be affected by this event
                if (nodeInfo instanceof BranchInfo) {
                    BranchInfo branchInfo = (BranchInfo)nodeInfo;

                    // Update the cached entry for this branch
                    Path path = branchInfo.getPath();
                    branchInfo.setCheckState(treeView.getNodeCheckState(path));

                    // Add the branch's children to the queue
                    if (branchInfo.children != null) {
                        for (int i = 0, n = branchInfo.children.getLength(); i < n; i++) {
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        if (selectedPaths != previousSelectedPaths) {
            this.selectedPaths = new ArrayList<Path>(PATH_COMPARATOR);

            for (int i = 0, n = selectedPaths.getLength(); i < n; i++) {
                Path path = selectedPaths.get(i);

                // Monitor the path's parent
                monitorBranch(new Path(path, path.getLength() - 1));

                // Update the selection
                this.selectedPaths.add(new ImmutablePath(path));
            }
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     * technically, the selected path could be backed by a <tt>null</tt> data
     * value. If the caller wishes to distinguish between these cases, they can
     * use <tt>getSelectedPath()</tt> instead.
     */
    public Object getSelectedNode() {
        Path path = getSelectedPath();
        Object node = null;

        if (path != null) {
            node = Sequence.Tree.get(treeData, path);
        }
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        }

        int index = selectedPaths.indexOf(path);
        if (index < 0) {
            // Monitor the path's parent
            monitorBranch(new Path(path, path.getLength() - 1));

            // Update the selection
            selectedPaths.add(new ImmutablePath(path));

            // Notify listeners
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            } else if (showMixedCheckmarkState) {
                // Translate to the insertion index
                index = -(index + 1);

                if (index < checkedPaths.getLength()) {
                    Path nextCheckedPath = checkedPaths.get(index);

                    if (Sequence.Tree.isDescendant(path, nextCheckedPath)) {
                        checkState = NodeCheckState.MIXED;
                    }
                }
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