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Make palette selection and hover colors customizable
This defines a new ColorPalette interface that can be set in the PaletteViewer. The colors provided by this interface are then used in the palette figure for e.g. the tool entries. Clients can extend the DefaultColorPalette to define their own colors and therefore change the look of the palette.
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51 changes: 51 additions & 0 deletions
51
...se.gef.examples.shapes/src/org/eclipse/gef/examples/shapes/action/ColorPaletteAction.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| /******************************************************************************* | ||
| * Copyright (c) 2024 Patrick Ziegler and others. | ||
| * | ||
| * This program and the accompanying materials are made available under the | ||
| * terms of the Eclipse Public License 2.0 which is available at | ||
| * http://www.eclipse.org/legal/epl-2.0. | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 | ||
| * | ||
| * Contributors: | ||
| * Patrick Ziegler - initial API and implementation | ||
| *******************************************************************************/ | ||
|
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| package org.eclipse.gef.examples.shapes.action; | ||
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| import org.eclipse.ui.IEditorPart; | ||
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| import org.eclipse.gef.GraphicalViewer; | ||
| import org.eclipse.gef.ui.actions.EditorPartAction; | ||
| import org.eclipse.gef.ui.palette.PaletteViewer; | ||
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| import org.eclipse.gef.examples.shapes.palette.ShapesColorPalette; | ||
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| /** | ||
| * Flips between the custom and the default color palette whenever executed. | ||
| */ | ||
| public class ColorPaletteAction extends EditorPartAction { | ||
| public static final String ID = "Color Palette"; //$NON-NLS-1$ | ||
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| public ColorPaletteAction(IEditorPart editor) { | ||
| super(editor); | ||
| setId(ID); | ||
| } | ||
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| @Override | ||
| public void run() { | ||
| GraphicalViewer graphicalViewer = getEditorPart().getAdapter(GraphicalViewer.class); | ||
| PaletteViewer paletteViewer = graphicalViewer.getEditDomain().getPaletteViewer(); | ||
| if (isChecked()) { | ||
| paletteViewer.setColorPalette(new ShapesColorPalette()); | ||
| } else { | ||
| paletteViewer.setColorPalette(null); | ||
| } | ||
| paletteViewer.getControl().redraw(); | ||
| } | ||
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| @Override | ||
| protected boolean calculateEnabled() { | ||
| return true; | ||
| } | ||
| } |
27 changes: 27 additions & 0 deletions
27
...xamples.shapes/src/org/eclipse/gef/examples/shapes/action/ColorPaletteRetargetAction.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| /******************************************************************************* | ||
| * Copyright (c) 2024 Patrick Ziegler and others. | ||
| * | ||
| * This program and the accompanying materials are made available under the | ||
| * terms of the Eclipse Public License 2.0 which is available at | ||
| * http://www.eclipse.org/legal/epl-2.0. | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 | ||
| * | ||
| * Contributors: | ||
| * Patrick Ziegler - initial API and implementation | ||
| *******************************************************************************/ | ||
|
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| package org.eclipse.gef.examples.shapes.action; | ||
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| import org.eclipse.ui.actions.RetargetAction; | ||
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| import org.eclipse.gef.examples.shapes.Messages; | ||
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| /** | ||
| * Delegates the action event from the menu contribution to the editor. | ||
| */ | ||
| public class ColorPaletteRetargetAction extends RetargetAction { | ||
| public ColorPaletteRetargetAction() { | ||
| super(ColorPaletteAction.ID, Messages.ColorPaletteRetargetAction_Text, AS_CHECK_BOX); | ||
| } | ||
| } |
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36 changes: 36 additions & 0 deletions
36
...e.gef.examples.shapes/src/org/eclipse/gef/examples/shapes/palette/ShapesColorPalette.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| /******************************************************************************* | ||
| * Copyright (c) 2024 Patrick Ziegler and others. | ||
| * | ||
| * This program and the accompanying materials are made available under the | ||
| * terms of the Eclipse Public License 2.0 which is available at | ||
| * http://www.eclipse.org/legal/epl-2.0. | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 | ||
| * | ||
| * Contributors: | ||
| * Patrick Ziegler - initial API and implementation | ||
| *******************************************************************************/ | ||
|
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| package org.eclipse.gef.examples.shapes.palette; | ||
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| import org.eclipse.swt.graphics.Color; | ||
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| import org.eclipse.draw2d.ColorConstants; | ||
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| import org.eclipse.gef.ui.palette.DefaultColorPalette; | ||
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| /** | ||
| * Defines arbitrary colors that distinguish themselves from the default | ||
| * palette. | ||
| */ | ||
| public class ShapesColorPalette extends DefaultColorPalette { | ||
| @Override | ||
| public Color getSelectedColor() { | ||
| return ColorConstants.darkGreen; | ||
| } | ||
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| @Override | ||
| public Color getHoverColor() { | ||
| return ColorConstants.cyan; | ||
| } | ||
| } |
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44 changes: 44 additions & 0 deletions
44
org.eclipse.gef.tests/src/org/eclipse/gef/test/swtbot/utils/SWTBotGefPalette.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| /******************************************************************************* | ||
| * Copyright (c) 2024 Patrick Ziegler and others. | ||
| * | ||
| * This program and the accompanying materials are made available under the | ||
| * terms of the Eclipse Public License 2.0 which is available at | ||
| * http://www.eclipse.org/legal/epl-2.0. | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 | ||
| * | ||
| * Contributors: | ||
| * Patrick Ziegler - initial API and implementation | ||
| *******************************************************************************/ | ||
|
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| package org.eclipse.gef.test.swtbot.utils; | ||
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| import org.eclipse.swtbot.eclipse.gef.finder.widgets.SWTBotGefEditPart; | ||
| import org.eclipse.swtbot.eclipse.gef.finder.widgets.SWTBotGefViewer; | ||
| import org.eclipse.swtbot.swt.finder.exceptions.WidgetNotFoundException; | ||
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| import org.eclipse.gef.ui.palette.ColorPalette; | ||
| import org.eclipse.gef.ui.palette.PaletteViewer; | ||
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| /** | ||
| * Convenience class to create an SWTBot instance over the palette viewer. | ||
| */ | ||
| public class SWTBotGefPalette extends SWTBotGefViewer { | ||
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| public SWTBotGefPalette(SWTBotGefViewer gefViewer) throws WidgetNotFoundException { | ||
| super(getPaletteViewer(gefViewer)); | ||
| } | ||
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| private static PaletteViewer getPaletteViewer(SWTBotGefViewer gefViewer) { | ||
| SWTBotGefEditPart gefEditPart = gefViewer.rootEditPart(); | ||
| return gefEditPart.part().getViewer().getEditDomain().getPaletteViewer(); | ||
| } | ||
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| public PaletteViewer getPaletteViewer() { | ||
| return (PaletteViewer) graphicalViewer; | ||
| } | ||
|
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| public ColorPalette getColorPalette() { | ||
| return getPaletteViewer().getColorPalette(); | ||
| } | ||
| } |
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