Bug 401015: Add support for styling hyperlinks in the Link widget

added missing support in ControlExample

2 files changed, 76 insertions, 3 deletions

diff --git a/examples/org.eclipse.swt.examples/src/examples_control.properties b/examples/org.eclipse.swt.examples/src/examples_control.properties
index b3586343e0..cba28732eb 100644
--- a/examples/org.eclipse.swt.examples/src/examples_control.properties
+++ b/examples/org.eclipse.swt.examples/src/examples_control.properties
@@ -229,6 +229,7 @@ Set_Unselected_Close_Visible = Close on Unselected Tabs
 Set_Unselected_Image_Visible = Image on Unselected Tabs
 Selection_Foreground_Color = Selection Foreground Color
 Selection_Background_Color = Selection Background Color
+Link_Foreground_Color = Link Foreground Color
 Set_Image			= Set Image
 Set_Top_Right		= Set Top Right
 Top_Right_Styles	= Top Right Styles
diff --git a/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/controlexample/LinkTab.java b/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/controlexample/LinkTab.java
index 929fae7981..4019002e50 100644
--- a/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/controlexample/LinkTab.java
+++ b/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/controlexample/LinkTab.java
@@ -11,15 +11,27 @@
 package org.eclipse.swt.examples.controlexample;
 
 
-import org.eclipse.swt.*;
-import org.eclipse.swt.widgets.*;
-import org.eclipse.swt.layout.*;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.Color;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.graphics.RGB;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.Group;
+import org.eclipse.swt.widgets.Link;
+import org.eclipse.swt.widgets.TableItem;
+import org.eclipse.swt.widgets.Widget;
 
 class LinkTab extends Tab {
 	/* Example widgets and groups that contain them */
 	Link link1;
 	Group linkGroup;
 
+	/* Controls and resources added to the "Fonts" group */
+	static final int LINK_FOREGROUND_COLOR = 3;
+	Color linkForegroundColor;
+	
 	/**
 	 * Creates the Tab within a given instance of ControlExample.
 	 */
@@ -68,6 +80,66 @@ class LinkTab extends Tab {
 		borderButton.setText("SWT.BORDER");
 	}
 
+	@Override
+	void createColorAndFontGroup () {
+		super.createColorAndFontGroup();
+
+		TableItem item = new TableItem(colorAndFontTable, SWT.None);
+		item.setText(ControlExample.getResourceString ("Link_Foreground_Color"));
+
+		shell.addDisposeListener(event -> {
+			if (linkForegroundColor != null) linkForegroundColor.dispose();
+			linkForegroundColor = null;
+		});
+	}
+	
+	@Override
+	void changeFontOrColor(int index) {
+		switch (index) {
+			case LINK_FOREGROUND_COLOR: {
+				Color oldColor = linkForegroundColor;
+				if (oldColor == null) oldColor = link1.getLinkForeground();
+				colorDialog.setRGB(oldColor.getRGB());
+				RGB rgb = colorDialog.open();
+				if (rgb == null) return;
+				oldColor = linkForegroundColor;
+				linkForegroundColor = new Color (display, rgb);
+				setLinkForeground ();
+				if (oldColor != null) oldColor.dispose ();
+			}
+			break;
+			default:
+				super.changeFontOrColor(index);
+		}
+	}
+
+	void setLinkForeground () {
+		if (!instance.startup) {
+			link1.setLinkForeground(linkForegroundColor);
+		}
+		Color color = linkForegroundColor;
+		if (color == null) color = link1.getLinkForeground ();
+		TableItem item = colorAndFontTable.getItem(LINK_FOREGROUND_COLOR);
+		Image oldImage = item.getImage();
+		if (oldImage != null) oldImage.dispose();
+		item.setImage (colorImage(color));
+	}
+	
+	@Override
+	void resetColorsAndFonts () {
+		super.resetColorsAndFonts ();
+		Color oldColor = linkForegroundColor;
+		linkForegroundColor = null;
+		setLinkForeground ();
+		if (oldColor != null) oldColor.dispose();
+	}
+
+	@Override
+	void setExampleWidgetState () {
+		super.setExampleWidgetState();
+		setLinkForeground ();
+	}
+	
 	/**
 	 * Gets the "Example" widget children.
 	 */