SynthTreeUIpublic class SynthTreeUI extends BasicTreeUI implements SynthUI, PropertyChangeListener
| Fields Summary |
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| private SynthStyle | style | | private SynthStyle | cellStyle | | private SynthContext | paintContext | | private boolean | drawHorizontalLines | | private boolean | drawVerticalLines | | private Object | linesStyle | | private int | leadRow | | private int | padding | | private boolean | useTreeColors | | private Icon | expandedIconWrapper |
| Constructors Summary |
|---|
SynthTreeUI()
expandedIconWrapper = new ExpandedIconWrapper();
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| Methods Summary |
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| private void | configureRenderer(javax.swing.plaf.synth.SynthContext context)
TreeCellRenderer renderer = tree.getCellRenderer();
if (renderer instanceof DefaultTreeCellRenderer) {
DefaultTreeCellRenderer r = (DefaultTreeCellRenderer)renderer;
SynthStyle style = context.getStyle();
context.setComponentState(ENABLED | SELECTED);
Color color = r.getTextSelectionColor();
if (color == null || (color instanceof UIResource)) {
r.setTextSelectionColor(style.getColor(
context, ColorType.TEXT_FOREGROUND));
}
color = r.getBackgroundSelectionColor();
if (color == null || (color instanceof UIResource)) {
r.setBackgroundSelectionColor(style.getColor(
context, ColorType.TEXT_BACKGROUND));
}
context.setComponentState(ENABLED);
color = r.getTextNonSelectionColor();
if (color == null || color instanceof UIResource) {
r.setTextNonSelectionColor(style.getColorForState(
context, ColorType.TEXT_FOREGROUND));
}
color = r.getBackgroundNonSelectionColor();
if (color == null || color instanceof UIResource) {
r.setBackgroundNonSelectionColor(style.getColorForState(
context, ColorType.TEXT_BACKGROUND));
}
}
| | protected javax.swing.tree.TreeCellEditor | createDefaultCellEditor()
TreeCellRenderer renderer = tree.getCellRenderer();
DefaultTreeCellEditor editor;
if(renderer != null && (renderer instanceof DefaultTreeCellRenderer)) {
editor = new SynthTreeCellEditor(tree, (DefaultTreeCellRenderer)
renderer);
}
else {
editor = new SynthTreeCellEditor(tree, null);
}
return editor;
| | protected javax.swing.tree.TreeCellRenderer | createDefaultCellRenderer()
return new SynthTreeCellRenderer();
| | public static javax.swing.plaf.ComponentUI | createUI(javax.swing.JComponent x)
return new SynthTreeUI();
| | protected void | drawCentered(java.awt.Component c, java.awt.Graphics graphics, javax.swing.Icon icon, int x, int y)
int w = SynthIcon.getIconWidth(icon, paintContext);
int h = SynthIcon.getIconHeight(icon, paintContext);
SynthIcon.paintIcon(icon, paintContext, graphics,
findCenteredX(x, w),
y - h/2, w, h);
| | private int | findCenteredX(int x, int iconWidth)
return tree.getComponentOrientation().isLeftToRight()
? x - (int)Math.ceil(iconWidth / 2.0)
: x - (int)Math.floor(iconWidth / 2.0);
| | private int | getComponentState(javax.swing.JComponent c)
return SynthLookAndFeel.getComponentState(c);
| | private int | getComponentState(javax.swing.JComponent c, javax.swing.plaf.synth.Region region)
// Always treat the cell as selected, will be adjusted appropriately
// when painted.
return ENABLED | SELECTED;
| | private javax.swing.plaf.synth.SynthContext | getContext(javax.swing.JComponent c, javax.swing.plaf.synth.Region region)
return getContext(c, region, getComponentState(c, region));
| | private javax.swing.plaf.synth.SynthContext | getContext(javax.swing.JComponent c, javax.swing.plaf.synth.Region region, int state)
return SynthContext.getContext(SynthContext.class, c,
region, cellStyle, state);
| | public javax.swing.plaf.synth.SynthContext | getContext(javax.swing.JComponent c)
return getContext(c, getComponentState(c));
| | private javax.swing.plaf.synth.SynthContext | getContext(javax.swing.JComponent c, int state)
return SynthContext.getContext(SynthContext.class, c,
SynthLookAndFeel.getRegion(c), style, state);
| | private java.awt.Rectangle | getDropLineRect(javax.swing.JTree$DropLocation loc)
Rectangle rect = null;
TreePath path = loc.getPath();
int index = loc.getChildIndex();
boolean ltr = tree.getComponentOrientation().isLeftToRight();
Insets insets = tree.getInsets();
if (tree.getRowCount() == 0) {
rect = new Rectangle(insets.left,
insets.top,
tree.getWidth() - insets.left - insets.right,
0);
} else {
int row = tree.getRowForPath(path);
TreeModel model = getModel();
Object root = model.getRoot();
if (path.getLastPathComponent() == root
&& index >= model.getChildCount(root)) {
rect = tree.getRowBounds(tree.getRowCount() - 1);
rect.y = rect.y + rect.height;
Rectangle xRect;
if (!tree.isRootVisible()) {
xRect = tree.getRowBounds(0);
} else if (model.getChildCount(root) == 0){
xRect = tree.getRowBounds(0);
xRect.x += totalChildIndent;
xRect.width -= totalChildIndent + totalChildIndent;
} else {
TreePath lastChildPath = path.pathByAddingChild(
model.getChild(root, model.getChildCount(root) - 1));
xRect = tree.getPathBounds(lastChildPath);
}
rect.x = xRect.x;
rect.width = xRect.width;
} else {
rect = tree.getPathBounds(path.pathByAddingChild(
model.getChild(path.getLastPathComponent(), index)));
}
}
if (rect.y != 0) {
rect.y--;
}
if (!ltr) {
rect.x = rect.x + rect.width - 100;
}
rect.width = 100;
rect.height = 2;
return rect;
| | public javax.swing.Icon | getExpandedIcon()
return expandedIconWrapper;
| | private javax.swing.plaf.synth.Region | getRegion(javax.swing.JTree c)
return SynthLookAndFeel.getRegion(c);
| | protected int | getRowX(int row, int depth)
return super.getRowX(row, depth) + padding;
| | protected void | installDefaults()
updateStyle(tree);
| | protected void | installListeners()
super.installListeners();
tree.addPropertyChangeListener(this);
| | private boolean | isDropLine(javax.swing.JTree$DropLocation loc)
return loc != null && loc.getPath() != null && loc.getChildIndex() != -1;
| | public void | paint(java.awt.Graphics g, javax.swing.JComponent c)
SynthContext context = getContext(c);
paint(context, g);
context.dispose();
| | protected void | paint(javax.swing.plaf.synth.SynthContext context, java.awt.Graphics g)
paintContext = context;
updateLeadRow();
Rectangle paintBounds = g.getClipBounds();
Insets insets = tree.getInsets();
TreePath initialPath = getClosestPathForLocation(tree, 0,
paintBounds.y);
Enumeration paintingEnumerator = treeState.getVisiblePathsFrom
(initialPath);
int row = treeState.getRowForPath(initialPath);
int endY = paintBounds.y + paintBounds.height;
TreeModel treeModel = tree.getModel();
SynthContext cellContext = getContext(tree, Region.TREE_CELL);
drawingCache.clear();
setHashColor(context.getStyle().getColor(context,
ColorType.FOREGROUND));
if (paintingEnumerator != null) {
// First pass, draw the rows
boolean done = false;
boolean isExpanded;
boolean hasBeenExpanded;
boolean isLeaf;
Rectangle boundsBuffer = new Rectangle();
Rectangle rowBounds = new Rectangle(0, 0, tree.getWidth(),0);
Rectangle bounds;
TreePath path;
TreeCellRenderer renderer = tree.getCellRenderer();
DefaultTreeCellRenderer dtcr = (renderer instanceof
DefaultTreeCellRenderer) ? (DefaultTreeCellRenderer)
renderer : null;
configureRenderer(cellContext);
while (!done && paintingEnumerator.hasMoreElements()) {
path = (TreePath)paintingEnumerator.nextElement();
if (path != null) {
isLeaf = treeModel.isLeaf(path.getLastPathComponent());
if (isLeaf) {
isExpanded = hasBeenExpanded = false;
}
else {
isExpanded = treeState.getExpandedState(path);
hasBeenExpanded = tree.hasBeenExpanded(path);
}
bounds = getPathBounds(tree, path);
rowBounds.y = bounds.y;
rowBounds.height = bounds.height;
paintRow(renderer, dtcr, context, cellContext, g,
paintBounds, insets, bounds, rowBounds, path,
row, isExpanded, hasBeenExpanded, isLeaf);
if ((bounds.y + bounds.height) >= endY) {
done = true;
}
}
else {
done = true;
}
row++;
}
// Draw the connecting lines and controls.
// Find each parent and have them draw a line to their last child
boolean rootVisible = tree.isRootVisible();
TreePath parentPath = initialPath;
parentPath = parentPath.getParentPath();
while (parentPath != null) {
paintVerticalPartOfLeg(g, paintBounds, insets, parentPath);
drawingCache.put(parentPath, Boolean.TRUE);
parentPath = parentPath.getParentPath();
}
done = false;
paintingEnumerator = treeState.getVisiblePathsFrom(initialPath);
while (!done && paintingEnumerator.hasMoreElements()) {
path = (TreePath)paintingEnumerator.nextElement();
if (path != null) {
isLeaf = treeModel.isLeaf(path.getLastPathComponent());
if (isLeaf) {
isExpanded = hasBeenExpanded = false;
}
else {
isExpanded = treeState.getExpandedState(path);
hasBeenExpanded = tree.hasBeenExpanded(path);
}
bounds = getPathBounds(tree, path);
// See if the vertical line to the parent has been drawn.
parentPath = path.getParentPath();
if (parentPath != null) {
if (drawingCache.get(parentPath) == null) {
paintVerticalPartOfLeg(g, paintBounds, insets,
parentPath);
drawingCache.put(parentPath, Boolean.TRUE);
}
paintHorizontalPartOfLeg(g,
paintBounds, insets, bounds,
path, row, isExpanded,
hasBeenExpanded, isLeaf);
}
else if (rootVisible && row == 0) {
paintHorizontalPartOfLeg(g,
paintBounds, insets, bounds,
path, row, isExpanded,
hasBeenExpanded, isLeaf);
}
if (shouldPaintExpandControl(path, row, isExpanded,
hasBeenExpanded, isLeaf)) {
paintExpandControl(g, paintBounds,
insets, bounds, path, row,
isExpanded, hasBeenExpanded,isLeaf);
}
if ((bounds.y + bounds.height) >= endY) {
done = true;
}
}
else {
done = true;
}
row++;
}
}
cellContext.dispose();
paintDropLine(g);
// Empty out the renderer pane, allowing renderers to be gc'ed.
rendererPane.removeAll();
| | public void | paintBorder(javax.swing.plaf.synth.SynthContext context, java.awt.Graphics g, int x, int y, int w, int h)
context.getPainter().paintTreeBorder(context, g, x, y, w, h);
| | private void | paintDropLine(java.awt.Graphics g)
JTree.DropLocation loc = tree.getDropLocation();
if (!isDropLine(loc)) {
return;
}
Color c = (Color)style.get(paintContext, "Tree.dropLineColor");
if (c != null) {
g.setColor(c);
Rectangle rect = getDropLineRect(loc);
g.fillRect(rect.x, rect.y, rect.width, rect.height);
}
| | protected void | paintHorizontalLine(java.awt.Graphics g, javax.swing.JComponent c, int y, int left, int right)
paintContext.getStyle().getGraphicsUtils(paintContext).drawLine(
paintContext, "Tree.horizontalLine", g, left, y, right, y, linesStyle);
| | protected void | paintHorizontalPartOfLeg(java.awt.Graphics g, java.awt.Rectangle clipBounds, java.awt.Insets insets, java.awt.Rectangle bounds, javax.swing.tree.TreePath path, int row, boolean isExpanded, boolean hasBeenExpanded, boolean isLeaf)
if (drawHorizontalLines) {
super.paintHorizontalPartOfLeg(g, clipBounds, insets, bounds,
path, row, isExpanded,
hasBeenExpanded, isLeaf);
}
| | protected void | paintRow(javax.swing.tree.TreeCellRenderer renderer, javax.swing.tree.DefaultTreeCellRenderer dtcr, javax.swing.plaf.synth.SynthContext treeContext, javax.swing.plaf.synth.SynthContext cellContext, java.awt.Graphics g, java.awt.Rectangle clipBounds, java.awt.Insets insets, java.awt.Rectangle bounds, java.awt.Rectangle rowBounds, javax.swing.tree.TreePath path, int row, boolean isExpanded, boolean hasBeenExpanded, boolean isLeaf)
// Don't paint the renderer if editing this row.
boolean selected = tree.isRowSelected(row);
JTree.DropLocation dropLocation = (JTree.DropLocation)tree.getDropLocation();
boolean isDrop = dropLocation != null
&& dropLocation.getChildIndex() == -1
&& path == dropLocation.getPath();
if (selected || isDrop) {
cellContext.setComponentState(ENABLED | SELECTED);
}
else {
cellContext.setComponentState(ENABLED);
}
if (dtcr != null && (dtcr.getBorderSelectionColor() instanceof
UIResource)) {
dtcr.setBorderSelectionColor(style.getColor(
cellContext, ColorType.FOCUS));
}
SynthLookAndFeel.updateSubregion(cellContext, g, rowBounds);
cellContext.getPainter().paintTreeCellBackground(cellContext, g,
rowBounds.x, rowBounds.y, rowBounds.width,
rowBounds.height);
cellContext.getPainter().paintTreeCellBorder(cellContext, g,
rowBounds.x, rowBounds.y, rowBounds.width,
rowBounds.height);
if (editingComponent != null && editingRow == row) {
return;
}
int leadIndex;
if (tree.hasFocus()) {
leadIndex = leadRow;
}
else {
leadIndex = -1;
}
Component component = renderer.getTreeCellRendererComponent(
tree, path.getLastPathComponent(),
selected, isExpanded, isLeaf, row,
(leadIndex == row));
rendererPane.paintComponent(g, component, tree, bounds.x, bounds.y,
bounds.width, bounds.height, true);
| | protected void | paintVerticalLine(java.awt.Graphics g, javax.swing.JComponent c, int x, int top, int bottom)
paintContext.getStyle().getGraphicsUtils(paintContext).drawLine(
paintContext, "Tree.verticalLine", g, x, top, x, bottom, linesStyle);
| | protected void | paintVerticalPartOfLeg(java.awt.Graphics g, java.awt.Rectangle clipBounds, java.awt.Insets insets, javax.swing.tree.TreePath path)
if (drawVerticalLines) {
super.paintVerticalPartOfLeg(g, clipBounds, insets, path);
}
| | public void | propertyChange(java.beans.PropertyChangeEvent event)
if (SynthLookAndFeel.shouldUpdateStyle(event)) {
updateStyle((JTree)event.getSource());
}
if ("dropLocation" == event.getPropertyName()) {
JTree.DropLocation oldValue = (JTree.DropLocation)event.getOldValue();
repaintDropLocation(oldValue);
repaintDropLocation(tree.getDropLocation());
}
| | private void | repaintDropLocation(javax.swing.JTree$DropLocation loc)
if (loc == null) {
return;
}
Rectangle r;
if (isDropLine(loc)) {
r = getDropLineRect(loc);
} else {
r = tree.getPathBounds(loc.getPath());
if (r != null) {
r.x = 0;
r.width = tree.getWidth();
}
}
if (r != null) {
tree.repaint(r);
}
| | protected void | uninstallDefaults()
SynthContext context = getContext(tree, ENABLED);
style.uninstallDefaults(context);
context.dispose();
style = null;
context = getContext(tree, Region.TREE_CELL, ENABLED);
cellStyle.uninstallDefaults(context);
context.dispose();
cellStyle = null;
if (tree.getTransferHandler() instanceof UIResource) {
tree.setTransferHandler(null);
}
| | protected void | uninstallListeners()
super.uninstallListeners();
tree.removePropertyChangeListener(this);
| | public void | update(java.awt.Graphics g, javax.swing.JComponent c)
SynthContext context = getContext(c);
SynthLookAndFeel.update(context, g);
context.getPainter().paintTreeBackground(context,
g, 0, 0, c.getWidth(), c.getHeight());
paint(context, g);
context.dispose();
| | private void | updateLeadRow()
leadRow = getRowForPath(tree, tree.getLeadSelectionPath());
| | private void | updateStyle(javax.swing.JTree tree)
SynthContext context = getContext(tree, ENABLED);
SynthStyle oldStyle = style;
style = SynthLookAndFeel.updateStyle(context, this);
if (style != oldStyle) {
Object value;
setExpandedIcon(style.getIcon(context, "Tree.expandedIcon"));
setCollapsedIcon(style.getIcon(context, "Tree.collapsedIcon"));
setLeftChildIndent(style.getInt(context, "Tree.leftChildIndent",
0));
setRightChildIndent(style.getInt(context, "Tree.rightChildIndent",
0));
drawHorizontalLines = style.getBoolean(
context, "Tree.drawHorizontalLines",true);
drawVerticalLines = style.getBoolean(
context, "Tree.drawVerticalLines", true);
linesStyle = style.get(context, "Tree.linesStyle");
value = style.get(context, "Tree.rowHeight");
if (value != null) {
LookAndFeel.installProperty(tree, "rowHeight", value);
}
value = style.get(context, "Tree.scrollsOnExpand");
LookAndFeel.installProperty(tree, "scrollsOnExpand",
value != null? value : Boolean.TRUE);
padding = style.getInt(context, "Tree.padding", 0);
largeModel = (tree.isLargeModel() && tree.getRowHeight() > 0);
useTreeColors = style.getBoolean(context,
"Tree.rendererUseTreeColors", true);
Boolean showsRootHandles = style.getBoolean(
context, "Tree.showsRootHandles", Boolean.TRUE);
LookAndFeel.installProperty(
tree, JTree.SHOWS_ROOT_HANDLES_PROPERTY, showsRootHandles);
if (oldStyle != null) {
uninstallKeyboardActions();
installKeyboardActions();
}
}
context.dispose();
context = getContext(tree, Region.TREE_CELL, ENABLED);
cellStyle = SynthLookAndFeel.updateStyle(context, this);
context.dispose();
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