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/*
* Copyright 2000-2014 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.codeInsight.documentation;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.popup.JBPopup;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.openapi.wm.ToolWindow;
import com.intellij.openapi.wm.ToolWindowId;
import com.intellij.openapi.wm.ToolWindowManager;
import com.intellij.psi.PsiElement;
import com.intellij.ui.content.Content;
import com.intellij.ui.popup.AbstractPopup;
import com.intellij.util.Producer;
import com.intellij.util.ui.UIUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
/**
* @author gregsh
*/
public class QuickDocUtil {
public static void updateQuickDocAsync(@NotNull final PsiElement element, @NotNull final Producer<String> docProducer) {
final Project project = element.getProject();
ApplicationManager.getApplication().executeOnPooledThread(new Runnable() {
@Override
public void run() {
updateQuickDoc(project, element, docProducer.produce());
}
});
}
public static void updateQuickDoc(@NotNull final Project project, @NotNull final PsiElement element, @Nullable final String documentation) {
if (StringUtil.isEmpty(documentation)) return;
// modal dialogs with fragment editors fix: can't guess proper modality state here
UIUtil.invokeLaterIfNeeded(new Runnable() {
@Override
public void run() {
DocumentationComponent component = getActiveDocComponent(project);
if (component != null) {
component.replaceText(documentation, element);
}
}
});
}
@Nullable
public static DocumentationComponent getActiveDocComponent(@NotNull Project project) {
DocumentationManager documentationManager = DocumentationManager.getInstance(project);
DocumentationComponent component;
JBPopup hint = documentationManager.getDocInfoHint();
if (hint != null) {
component = (DocumentationComponent)((AbstractPopup)hint).getComponent();
}
else if (documentationManager.hasActiveDockedDocWindow()) {
ToolWindow toolWindow = ToolWindowManager.getInstance(project).getToolWindow(ToolWindowId.DOCUMENTATION);
Content selectedContent = toolWindow == null ? null : toolWindow.getContentManager().getSelectedContent();
component = selectedContent == null ? null : (DocumentationComponent)selectedContent.getComponent();
}
else {
component = null;
}
return component;
}
}
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