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/*
* Copyright 2000-2009 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.usages.impl;
import com.intellij.icons.AllIcons;
import com.intellij.openapi.actionSystem.*;
import com.intellij.openapi.project.DumbAware;
import com.intellij.openapi.project.Project;
import com.intellij.usageView.UsageViewBundle;
import com.intellij.usages.UsageView;
import com.intellij.usages.impl.rules.ReadAccessFilteringRule;
import com.intellij.usages.impl.rules.WriteAccessFilteringRule;
import com.intellij.usages.rules.UsageFilteringRule;
import com.intellij.usages.rules.UsageFilteringRuleProvider;
import org.jetbrains.annotations.NotNull;
import javax.swing.*;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import java.util.ArrayList;
import java.util.List;
/**
* @author max
*/
public class UsageFilteringRuleProviderImpl implements UsageFilteringRuleProvider {
private final ReadWriteState myReadWriteState = new ReadWriteState();
@Override
@NotNull
public UsageFilteringRule[] getActiveRules(@NotNull Project project) {
final List<UsageFilteringRule> rules = new ArrayList<UsageFilteringRule>();
if (!myReadWriteState.isShowReadAccess()) {
rules.add(new ReadAccessFilteringRule());
}
if (!myReadWriteState.isShowWriteAccess()) {
rules.add(new WriteAccessFilteringRule());
}
return rules.toArray(new UsageFilteringRule[rules.size()]);
}
@Override
@NotNull
public AnAction[] createFilteringActions(@NotNull UsageView view) {
final UsageViewImpl impl = (UsageViewImpl)view;
if (!view.getPresentation().isCodeUsages()) {
return AnAction.EMPTY_ARRAY;
}
final JComponent component = view.getComponent();
final ShowReadAccessUsagesAction read = new ShowReadAccessUsagesAction();
read.registerCustomShortcutSet(new CustomShortcutSet(KeyStroke.getKeyStroke(KeyEvent.VK_R, InputEvent.CTRL_DOWN_MASK)), component, impl);
final ShowWriteAccessUsagesAction write = new ShowWriteAccessUsagesAction();
write.registerCustomShortcutSet(new CustomShortcutSet(KeyStroke.getKeyStroke(KeyEvent.VK_W, InputEvent.CTRL_DOWN_MASK)), component, impl);
return new AnAction[] {read, write};
}
private static final class ReadWriteState {
private boolean myShowReadAccess = true;
private boolean myShowWriteAccess = true;
public boolean isShowReadAccess() {
return myShowReadAccess;
}
public void setShowReadAccess(final boolean showReadAccess) {
myShowReadAccess = showReadAccess;
if (!showReadAccess) {
myShowWriteAccess = true;
}
}
public boolean isShowWriteAccess() {
return myShowWriteAccess;
}
public void setShowWriteAccess(final boolean showWriteAccess) {
myShowWriteAccess = showWriteAccess;
if (!showWriteAccess) {
myShowReadAccess = true;
}
}
}
private class ShowReadAccessUsagesAction extends ToggleAction implements DumbAware {
private ShowReadAccessUsagesAction() {
super(UsageViewBundle.message("action.show.read.access"), null, AllIcons.Actions.ShowReadAccess);
}
@Override
public boolean isSelected(AnActionEvent e) {
return myReadWriteState.isShowReadAccess();
}
@Override
public void setSelected(AnActionEvent e, boolean state) {
myReadWriteState.setShowReadAccess(state);
Project project = CommonDataKeys.PROJECT.getData(e.getDataContext());
if (project == null) return;
project.getMessageBus().syncPublisher(RULES_CHANGED).run();
}
}
private class ShowWriteAccessUsagesAction extends ToggleAction implements DumbAware {
private ShowWriteAccessUsagesAction() {
super(UsageViewBundle.message("action.show.write.access"), null, AllIcons.Actions.ShowWriteAccess);
}
@Override
public boolean isSelected(AnActionEvent e) {
return myReadWriteState.isShowWriteAccess();
}
@Override
public void setSelected(AnActionEvent e, boolean state) {
myReadWriteState.setShowWriteAccess(state);
Project project = CommonDataKeys.PROJECT.getData(e.getDataContext());
if (project == null) return;
project.getMessageBus().syncPublisher(RULES_CHANGED).run();
}
}
}
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