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IDEA-127205 Specify Editor Tab Width
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Vassiliy.Kudryashov
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Vassiliy.Kudryashov
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119 changes: 119 additions & 0 deletions
119
platform/platform-api/src/com/intellij/ui/tabs/impl/TabsSideSplitter.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,119 @@ | ||
| /* | ||
| * Copyright 2000-2015 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.ui.tabs.impl; | ||
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| import com.intellij.openapi.ui.OnePixelDivider; | ||
| import com.intellij.openapi.ui.Splittable; | ||
| import com.intellij.ui.tabs.JBTabsPosition; | ||
| import com.intellij.ui.tabs.TabInfo; | ||
| import com.intellij.util.ui.JBUI; | ||
| import com.intellij.util.ui.UIUtil; | ||
| import org.jetbrains.annotations.NotNull; | ||
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| import javax.swing.*; | ||
| import java.awt.*; | ||
| import java.beans.PropertyChangeEvent; | ||
| import java.beans.PropertyChangeListener; | ||
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| class TabsSideSplitter implements Splittable, PropertyChangeListener { | ||
| private static final int MIN_TAB_WIDTH = JBUI.scale(75); | ||
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| @NotNull private final JBTabsImpl myTabs; | ||
| private int mySideTabsLimit = 0; | ||
| private boolean myDragging; | ||
| private final OnePixelDivider myDivider; | ||
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| TabsSideSplitter(@NotNull JBTabsImpl tabs) { | ||
| myTabs = tabs; | ||
| myTabs.addPropertyChangeListener(JBTabsImpl.SIDE_TABS_SIZE_LIMIT_KEY.toString(), this); | ||
| myDivider = new OnePixelDivider(false, this); | ||
| } | ||
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| OnePixelDivider getDivider() { | ||
| return myDivider; | ||
| } | ||
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| @Override | ||
| public float getMinProportion(boolean first) { | ||
| return Math.min(.5F, (float)MIN_TAB_WIDTH / Math.max(1, myTabs.getWidth())); | ||
| } | ||
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| @Override | ||
| public void setProportion(float proportion) { | ||
| int width = myTabs.getWidth(); | ||
| if (myTabs.getTabsPosition() == JBTabsPosition.left) { | ||
| setSideTabsLimit((int)Math.max(MIN_TAB_WIDTH, proportion * width)); | ||
| } | ||
| else if (myTabs.getTabsPosition() == JBTabsPosition.right) { | ||
| setSideTabsLimit(width - (int)Math.max(MIN_TAB_WIDTH, proportion * width)); | ||
| } | ||
| } | ||
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| int getSideTabsLimit() { | ||
| return mySideTabsLimit; | ||
| } | ||
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| void setSideTabsLimit(int sideTabsLimit) { | ||
| if (mySideTabsLimit != sideTabsLimit) { | ||
| mySideTabsLimit = sideTabsLimit; | ||
| UIUtil.putClientProperty(myTabs, JBTabsImpl.SIDE_TABS_SIZE_LIMIT_KEY, mySideTabsLimit); | ||
| myTabs.resetLayout(true); | ||
| myTabs.doLayout(); | ||
| myTabs.repaint(); | ||
| TabInfo info = myTabs.getSelectedInfo(); | ||
| JComponent page = info != null ? info.getComponent() : null; | ||
| if (page != null) { | ||
| page.revalidate(); | ||
| page.repaint(); | ||
| } | ||
| } | ||
| } | ||
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| @Override | ||
| public boolean getOrientation() { | ||
| return false; | ||
| } | ||
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| @Override | ||
| public void setOrientation(boolean verticalSplit) { | ||
| //ignore | ||
| } | ||
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| @Override | ||
| public void setDragging(boolean dragging) { | ||
| myDragging = dragging; | ||
| } | ||
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| boolean isDragging() { | ||
| return myDragging; | ||
| } | ||
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| @NotNull | ||
| @Override | ||
| public Component asComponent() { | ||
| return myTabs; | ||
| } | ||
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| @Override | ||
| public void propertyChange(PropertyChangeEvent evt) { | ||
| if (evt.getSource() != myTabs) return; | ||
| Integer limit = UIUtil.getClientProperty(myTabs, JBTabsImpl.SIDE_TABS_SIZE_LIMIT_KEY); | ||
| if (limit == null) limit = 0; | ||
| setSideTabsLimit(limit); | ||
| } | ||
| } |
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