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ui: extract utility class for color settings configurable
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...lang-impl/src/com/intellij/application/options/colors/CompositeColorDescriptionPanel.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,149 @@ | ||
| /* | ||
| * Copyright 2000-2017 JetBrains s.r.o. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package com.intellij.application.options.colors; | ||
|
|
||
| import com.intellij.application.options.colors.OptionsPanelImpl.ColorDescriptionPanel; | ||
| import com.intellij.openapi.editor.colors.EditorColorsScheme; | ||
| import com.intellij.openapi.editor.colors.EditorSchemeAttributeDescriptor; | ||
| import com.intellij.openapi.util.Condition; | ||
| import org.jetbrains.annotations.NotNull; | ||
| import org.jetbrains.annotations.Nullable; | ||
|
|
||
| import javax.swing.*; | ||
| import java.awt.*; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
|
|
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| public class CompositeColorDescriptionPanel extends JPanel implements ColorDescriptionPanel { | ||
| @NotNull protected final List<ColorDescriptionPanel> myDescriptionPanels = new ArrayList<>(); | ||
| @NotNull protected final List<Condition<EditorSchemeAttributeDescriptor>> myConditions = new ArrayList<>(); | ||
|
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| @NotNull private final List<Listener> myListeners = new ArrayList<>(); | ||
|
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| private ColorDescriptionPanel myActive; | ||
|
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| public void addDescriptionPanel(@NotNull ColorDescriptionPanel descriptionPanel, | ||
| @NotNull Condition<EditorSchemeAttributeDescriptor> condition) { | ||
| myDescriptionPanels.add(descriptionPanel); | ||
| myConditions.add(condition); | ||
|
|
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| for (Listener listener : myListeners) { | ||
| descriptionPanel.addListener(listener); | ||
| } | ||
|
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| updatePreferredSize(); | ||
| } | ||
|
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| private void updatePreferredSize() { | ||
| Dimension preferredSize = new Dimension(); | ||
| for (ColorDescriptionPanel panel : myDescriptionPanels) { | ||
| Dimension size = panel.getPanel().getPreferredSize(); | ||
| preferredSize.setSize(Math.max(size.getWidth(), preferredSize.getWidth()), | ||
| Math.max(size.getHeight(), preferredSize.getHeight())); | ||
| } | ||
| setPreferredSize(preferredSize); | ||
| } | ||
|
|
||
| @NotNull | ||
| @Override | ||
| public JComponent getPanel() { | ||
| return this; | ||
| } | ||
|
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| @Override | ||
| public void resetDefault() { | ||
| if (myActive != null) { | ||
| final PaintLocker locker = new PaintLocker(this); | ||
| try { | ||
| setPreferredSize(getSize());// froze [this] size | ||
| remove(myActive.getPanel()); | ||
| myActive = null; | ||
| } | ||
| finally { | ||
| locker.release(); | ||
| } | ||
| } | ||
| } | ||
|
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| @Override | ||
| public void reset(@NotNull EditorSchemeAttributeDescriptor descriptor) { | ||
| JComponent oldPanel = myActive == null ? null : myActive.getPanel(); | ||
| myActive = getPanelForDescriptor(descriptor); | ||
| JComponent newPanel = myActive == null ? null : myActive.getPanel(); | ||
|
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| if (oldPanel != newPanel) { | ||
| final PaintLocker locker = new PaintLocker(this); | ||
| try { | ||
| if (oldPanel != null) { | ||
| remove(oldPanel); | ||
| } | ||
| if (newPanel != null) { | ||
| setPreferredSize(null);// make [this] resizable | ||
| add(newPanel); | ||
| } | ||
| } | ||
| finally { | ||
| locker.release(); | ||
| } | ||
| } | ||
| if (myActive != null) { | ||
| myActive.reset(descriptor); | ||
| } | ||
| } | ||
|
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| @Nullable | ||
| private ColorDescriptionPanel getPanelForDescriptor(@NotNull EditorSchemeAttributeDescriptor descriptor) { | ||
| for (int i = myConditions.size() - 1; i >= 0; i--) { | ||
| Condition<EditorSchemeAttributeDescriptor> condition = myConditions.get(i); | ||
| ColorDescriptionPanel panel = myDescriptionPanels.get(i); | ||
| if (condition.value(descriptor)) return panel; | ||
| } | ||
| return null; | ||
| } | ||
|
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| @Override | ||
| public void apply(@NotNull EditorSchemeAttributeDescriptor descriptor, EditorColorsScheme scheme) { | ||
| if (myActive != null) { | ||
| myActive.apply(descriptor, scheme); | ||
| } | ||
| } | ||
|
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| @Override | ||
| public void addListener(@NotNull Listener listener) { | ||
| for (ColorDescriptionPanel panel : myDescriptionPanels) { | ||
| panel.addListener(listener); | ||
| } | ||
| myListeners.add(listener); | ||
| } | ||
|
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| private static class PaintLocker { | ||
| private Container myPaintHolder; | ||
| private boolean myPaintState; | ||
|
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| public PaintLocker(@NotNull JComponent component) { | ||
| myPaintHolder = component.getParent(); | ||
| myPaintState = myPaintHolder.getIgnoreRepaint(); | ||
| myPaintHolder.setIgnoreRepaint(true); | ||
| } | ||
|
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| public void release() { | ||
| myPaintHolder.validate(); | ||
| myPaintHolder.setIgnoreRepaint(myPaintState); | ||
| myPaintHolder.repaint(); | ||
| } | ||
| } | ||
| } |
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