mirror of
https://github.com/JFormDesigner/FlatLaf.git
synced 2025-12-06 22:10:54 +03:00
refactored InputMap code into own class
This commit is contained in:
Karl Tauber
@@ -0,0 +1,116 @@
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/*
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* Copyright 2020 FormDev Software GmbH
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.formdev.flatlaf;
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import javax.swing.InputMap;
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import javax.swing.KeyStroke;
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import javax.swing.UIDefaults;
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import javax.swing.UIDefaults.LazyValue;
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import com.formdev.flatlaf.util.SystemInfo;
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/**
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* @author Karl Tauber
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*/
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class FlatInputMaps
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{
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static void initInputMaps( UIDefaults defaults ) {
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if( SystemInfo.IS_MAC ) {
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// AquaLookAndFeel (the base for UI defaults on macOS) uses special
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// action keys (e.g. "aquaExpandNode") for some macOS specific behaviour.
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// Those action keys are not available in FlatLaf, which makes it
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// necessary to make some modifications.
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// combobox
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defaults.put( "ComboBox.ancestorInputMap", new UIDefaults.LazyInputMap( new Object[] {
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"ESCAPE", "hidePopup",
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"PAGE_UP", "pageUpPassThrough",
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"PAGE_DOWN", "pageDownPassThrough",
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"HOME", "homePassThrough",
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"END", "endPassThrough",
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"DOWN", "selectNext",
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"KP_DOWN", "selectNext",
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"SPACE", "spacePopup",
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"ENTER", "enterPressed",
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"UP", "selectPrevious",
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"KP_UP", "selectPrevious"
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} ) );
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// tree node expanding/collapsing
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modifyInputMap( defaults, "Tree.focusInputMap",
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"RIGHT", "selectChild",
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"KP_RIGHT", "selectChild",
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"LEFT", "selectParent",
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"KP_LEFT", "selectParent",
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"shift RIGHT", null,
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"shift KP_RIGHT", null,
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"shift LEFT", null,
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"shift KP_LEFT", null,
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"ctrl LEFT", null,
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"ctrl KP_LEFT", null,
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"ctrl RIGHT", null,
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"ctrl KP_RIGHT", null
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);
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defaults.put( "Tree.focusInputMap.RightToLeft", new UIDefaults.LazyInputMap( new Object[] {
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"RIGHT", "selectParent",
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"KP_RIGHT", "selectParent",
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"LEFT", "selectChild",
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"KP_LEFT", "selectChild"
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} ) );
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}
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}
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private static void modifyInputMap( UIDefaults defaults, String key, Object... bindings ) {
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// Note: not using `defaults.get(key)` here because this would resolve the lazy value
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defaults.put( key, new LazyModifyInputMap( defaults.remove( key ), bindings ) );
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}
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//---- class LazyModifyInputMap -------------------------------------------
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/**
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* Takes a (lazy) base input map and lazily applies modifications to it specified in bindings.
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*/
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private static class LazyModifyInputMap
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implements LazyValue
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{
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private final Object baseInputMap;
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private final Object[] bindings;
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public LazyModifyInputMap( Object baseInputMap, Object[] bindings ) {
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this.baseInputMap = baseInputMap;
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this.bindings = bindings;
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}
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@Override
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public Object createValue( UIDefaults table ) {
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// get base input map
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InputMap inputMap = (baseInputMap instanceof LazyValue)
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? (InputMap) ((LazyValue)baseInputMap).createValue( table )
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: (InputMap) baseInputMap;
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// modify input map (replace or remove)
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for( int i = 0; i < bindings.length; i += 2 ) {
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KeyStroke keyStroke = KeyStroke.getKeyStroke( (String) bindings[i] );
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if( bindings[i + 1] != null )
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inputMap.put( keyStroke, bindings[i + 1] );
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else
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inputMap.remove( keyStroke );
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}
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return inputMap;
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}
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}
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}
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@@ -35,16 +35,13 @@ import java.util.function.Consumer;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import javax.swing.AbstractButton;
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import javax.swing.InputMap;
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import javax.swing.JLabel;
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import javax.swing.JRootPane;
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import javax.swing.JTabbedPane;
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import javax.swing.KeyStroke;
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import javax.swing.LookAndFeel;
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import javax.swing.PopupFactory;
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import javax.swing.SwingUtilities;
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import javax.swing.UIDefaults;
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import javax.swing.UIDefaults.LazyValue;
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import javax.swing.UIManager;
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import javax.swing.UnsupportedLookAndFeelException;
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import javax.swing.plaf.ColorUIResource;
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@@ -250,7 +247,7 @@ public abstract class FlatLaf
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initFonts( defaults );
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initIconColors( defaults, isDark() );
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initInputMaps( defaults );
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FlatInputMaps.initInputMaps( defaults );
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// load defaults from properties
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List<Class<?>> lafClassesForDefaultsLoading = getLafClassesForDefaultsLoading();
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@@ -356,57 +353,6 @@ public abstract class FlatLaf
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defaults.put( "Objects.BlackText", new ColorUIResource( 0x231F20 ) );
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}
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private void initInputMaps( UIDefaults defaults ) {
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if( SystemInfo.IS_MAC ) {
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// AquaLookAndFeel (the base for UI defaults on macOS) uses special
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// action keys (e.g. "aquaExpandNode") for some macOS specific behaviour.
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// Those action keys are not available in FlatLaf, which makes it
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// necessary to make some modifications.
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// combobox
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defaults.put( "ComboBox.ancestorInputMap", new UIDefaults.LazyInputMap( new Object[] {
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"ESCAPE", "hidePopup",
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"PAGE_UP", "pageUpPassThrough",
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"PAGE_DOWN", "pageDownPassThrough",
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"HOME", "homePassThrough",
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"END", "endPassThrough",
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"DOWN", "selectNext",
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"KP_DOWN", "selectNext",
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"SPACE", "spacePopup",
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"ENTER", "enterPressed",
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"UP", "selectPrevious",
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"KP_UP", "selectPrevious"
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} ) );
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// tree node expanding/collapsing
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modifyInputMap( defaults, "Tree.focusInputMap",
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"RIGHT", "selectChild",
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"KP_RIGHT", "selectChild",
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"LEFT", "selectParent",
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"KP_LEFT", "selectParent",
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"shift RIGHT", null,
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"shift KP_RIGHT", null,
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"shift LEFT", null,
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"shift KP_LEFT", null,
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"ctrl LEFT", null,
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"ctrl KP_LEFT", null,
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"ctrl RIGHT", null,
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"ctrl KP_RIGHT", null
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);
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defaults.put( "Tree.focusInputMap.RightToLeft", new UIDefaults.LazyInputMap( new Object[] {
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"RIGHT", "selectParent",
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"KP_RIGHT", "selectParent",
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"LEFT", "selectChild",
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"KP_LEFT", "selectChild"
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} ) );
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}
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}
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private void modifyInputMap( UIDefaults defaults, String key, Object... bindings ) {
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// Note: not using `defaults.get(key)` here because this would resolve the lazy value
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defaults.put( key, new LazyModifyInputMap( defaults.remove( key ), bindings ) );
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}
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private void putDefaults( UIDefaults defaults, Object value, String... keys ) {
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for( String key : keys )
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defaults.put( key, value );
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@@ -523,40 +469,4 @@ public abstract class FlatLaf
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return false;
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}
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//---- class LazyModifyInputMap -------------------------------------------
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/**
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* Takes a (lazy) base input map and lazily applies modifications to it specified in bindings.
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*/
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private static class LazyModifyInputMap
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implements LazyValue
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{
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private final Object baseInputMap;
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private final Object[] bindings;
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public LazyModifyInputMap( Object baseInputMap, Object[] bindings ) {
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this.baseInputMap = baseInputMap;
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this.bindings = bindings;
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}
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@Override
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public Object createValue( UIDefaults table ) {
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// get base input map
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InputMap inputMap = (baseInputMap instanceof LazyValue)
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? (InputMap) ((LazyValue)baseInputMap).createValue( table )
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: (InputMap) baseInputMap;
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// modify input map (replace or remove)
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for( int i = 0; i < bindings.length; i += 2 ) {
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KeyStroke keyStroke = KeyStroke.getKeyStroke( (String) bindings[i] );
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if( bindings[i + 1] != null )
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inputMap.put( keyStroke, bindings[i + 1] );
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else
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inputMap.remove( keyStroke );
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}
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return inputMap;
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}
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}
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}
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