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-rw-r--r--examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/controlexample/TableTreeTab.java157
1 files changed, 155 insertions, 2 deletions
diff --git a/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/controlexample/TableTreeTab.java b/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/controlexample/TableTreeTab.java
index c414a74c3a..bf833b2b07 100644
--- a/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/controlexample/TableTreeTab.java
+++ b/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/controlexample/TableTreeTab.java
@@ -15,16 +15,24 @@ import org.eclipse.swt.*;
import org.eclipse.swt.custom.*;
import org.eclipse.swt.events.*;
import org.eclipse.swt.layout.*;
+import org.eclipse.swt.graphics.*;
import org.eclipse.swt.widgets.*;
class TableTreeTab extends ScrollableTab {
/* Example widgets and groups that contain them */
TableTree tree1;
- Group treeGroup;
+ TableTreeItem node1;
+ Group treeGroup, itemGroup;
/* Style widgets added to the "Style" group */
Button checkButton, fullSelectionButton;
+ /* Controls and resources added to the "Colors" group */
+ Button itemForegroundButton, itemBackgroundButton, itemFontButton;
+ Color itemForegroundColor, itemBackgroundColor;
+ Image itemForegroundImage, itemBackgroundImage;
+ Font itemFont;
+
/* Other widgets added to the "Other" group */
Button headerVisibleButton, linesVisibleButton;
@@ -36,6 +44,93 @@ class TableTreeTab extends ScrollableTab {
}
/**
+ * Creates the "Colors" group.
+ */
+ void createColorGroup () {
+ super.createColorGroup();
+
+ itemGroup = new Group (colorGroup, SWT.NONE);
+ itemGroup.setText (ControlExample.getResourceString ("Tree_Item_Colors"));
+ GridData data = new GridData ();
+ data.horizontalSpan = 2;
+ itemGroup.setLayoutData (data);
+ itemGroup.setLayout (new GridLayout (2, false));
+ new Label (itemGroup, SWT.NONE).setText (ControlExample.getResourceString ("Foreground_Color"));
+ itemForegroundButton = new Button (itemGroup, SWT.PUSH);
+ new Label (itemGroup, SWT.NONE).setText (ControlExample.getResourceString ("Background_Color"));
+ itemBackgroundButton = new Button (itemGroup, SWT.PUSH);
+ itemFontButton = new Button (itemGroup, SWT.PUSH);
+ itemFontButton.setText(ControlExample.getResourceString("Font"));
+ itemFontButton.setLayoutData(new GridData (GridData.HORIZONTAL_ALIGN_FILL));
+
+ Shell shell = colorGroup.getShell ();
+ final ColorDialog foregroundDialog = new ColorDialog (shell);
+ final ColorDialog backgroundDialog = new ColorDialog (shell);
+ final FontDialog fontDialog = new FontDialog (shell);
+
+ int imageSize = 12;
+ Display display = shell.getDisplay ();
+ itemForegroundImage = new Image(display, imageSize, imageSize);
+ itemBackgroundImage = new Image(display, imageSize, imageSize);
+
+ /* Add listeners to set the colors and font */
+ itemForegroundButton.setImage(itemForegroundImage);
+ itemForegroundButton.addSelectionListener(new SelectionAdapter() {
+ public void widgetSelected(SelectionEvent event) {
+ Color oldColor = itemForegroundColor;
+ if (oldColor == null) oldColor = node1.getForeground ();
+ foregroundDialog.setRGB(oldColor.getRGB());
+ RGB rgb = foregroundDialog.open();
+ if (rgb == null) return;
+ oldColor = itemForegroundColor;
+ itemForegroundColor = new Color (event.display, rgb);
+ setItemForeground ();
+ if (oldColor != null) oldColor.dispose ();
+ }
+ });
+ itemBackgroundButton.setImage(itemBackgroundImage);
+ itemBackgroundButton.addSelectionListener(new SelectionAdapter() {
+ public void widgetSelected(SelectionEvent event) {
+ Color oldColor = itemBackgroundColor;
+ if (oldColor == null) oldColor = node1.getBackground ();
+ backgroundDialog.setRGB(oldColor.getRGB());
+ RGB rgb = backgroundDialog.open();
+ if (rgb == null) return;
+ oldColor = itemBackgroundColor;
+ itemBackgroundColor = new Color (event.display, rgb);
+ setItemBackground ();
+ if (oldColor != null) oldColor.dispose ();
+ }
+ });
+ itemFontButton.addSelectionListener(new SelectionAdapter () {
+ public void widgetSelected (SelectionEvent event) {
+ Font oldFont = itemFont;
+ if (oldFont == null) oldFont = node1.getFont ();
+ fontDialog.setFontList(oldFont.getFontData());
+ FontData fontData = fontDialog.open ();
+ if (fontData == null) return;
+ oldFont = itemFont;
+ itemFont = new Font (event.display, fontData);
+ setItemFont ();
+ setExampleWidgetSize ();
+ if (oldFont != null) oldFont.dispose ();
+ }
+ });
+ shell.addDisposeListener(new DisposeListener() {
+ public void widgetDisposed(DisposeEvent event) {
+ if (itemBackgroundImage != null) itemBackgroundImage.dispose();
+ if (itemForegroundImage != null) itemForegroundImage.dispose();
+ if (itemBackgroundColor != null) itemBackgroundColor.dispose();
+ if (itemForegroundColor != null) itemForegroundColor.dispose();
+ if (itemFont != null) itemFont.dispose();
+ itemBackgroundColor = null;
+ itemForegroundColor = null;
+ itemFont = null;
+ }
+ });
+ }
+
+ /**
* Creates the "Other" group.
*/
void createOtherGroup () {
@@ -93,7 +188,7 @@ class TableTreeTab extends ScrollableTab {
column.setWidth(100);
column.setText(ControlExample.getResourceString("TableTree_column") + ": " + i);
}
- TableTreeItem node1 = new TableTreeItem (tree1, SWT.NONE);
+ node1 = new TableTreeItem (tree1, SWT.NONE);
for (int i = 0; i < 3; i++) {
node1.setText (i, ControlExample.getResourceString("Node_1") + "-" + i);
}
@@ -201,15 +296,73 @@ class TableTreeTab extends ScrollableTab {
}
/**
+ * Sets the foreground color, background color, and font
+ * of the "Example" widgets to their default settings.
+ * Also sets foreground and background color of the Node 1
+ * TreeItems to default settings.
+ */
+ void resetColorsAndFonts () {
+ super.resetColorsAndFonts ();
+ Color oldColor = itemForegroundColor;
+ itemForegroundColor = null;
+ setItemForeground ();
+ if (oldColor != null) oldColor.dispose();
+ oldColor = itemBackgroundColor;
+ itemBackgroundColor = null;
+ setItemBackground ();
+ if (oldColor != null) oldColor.dispose();
+ Font oldFont = font;
+ itemFont = null;
+ setItemFont ();
+ setExampleWidgetSize ();
+ if (oldFont != null) oldFont.dispose();
+ }
+
+ /**
* Sets the state of the "Example" widgets.
*/
void setExampleWidgetState () {
super.setExampleWidgetState ();
+ setItemBackground ();
+ setItemForeground ();
+ setItemFont ();
+ setExampleWidgetSize ();
setWidgetHeaderVisible ();
setWidgetLinesVisible ();
}
/**
+ * Sets the background color of the Node 1 TreeItems.
+ */
+ void setItemBackground () {
+ node1.setBackground (itemBackgroundColor);
+ /* Set the background button's color to match the color just set. */
+ Color color = itemBackgroundColor;
+ if (color == null) color = node1.getBackground ();
+ drawImage (itemBackgroundImage, color);
+ itemBackgroundButton.setImage (itemBackgroundImage);
+ }
+
+ /**
+ * Sets the foreground color of the Node 1 TreeItems.
+ */
+ void setItemForeground () {
+ node1.setForeground (itemForegroundColor);
+ /* Set the foreground button's color to match the color just set. */
+ Color color = itemForegroundColor;
+ if (color == null) color = node1.getForeground ();
+ drawImage (itemForegroundImage, color);
+ itemForegroundButton.setImage (itemForegroundImage);
+ }
+
+ /**
+ * Sets the font of the Node 1 TreeItems.
+ */
+ void setItemFont () {
+ node1.setFont (itemFont);
+ }
+
+ /**
* Sets the header visible state of the "Example" widgets.
*/
void setWidgetHeaderVisible () {

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