/*
* 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.diff.actions.impl;
import com.intellij.openapi.actionSystem.*;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.editor.event.EditorMouseEventArea;
import com.intellij.openapi.editor.ex.EditorGutterComponentEx;
import com.intellij.openapi.project.DumbAware;
import com.intellij.openapi.project.Project;
import com.intellij.pom.Navigatable;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
import java.awt.*;
import java.awt.event.InputEvent;
import java.awt.event.MouseEvent;
import java.util.Collections;
import java.util.List;
public abstract class OpenInEditorWithMouseAction extends AnAction implements DumbAware {
@NotNull private List<? extends Editor> myEditors = Collections.emptyList();
public OpenInEditorWithMouseAction() {
AnAction navigateAction = ActionManager.getInstance().getAction(IdeActions.ACTION_GOTO_DECLARATION); // null in MPS
setShortcutSet(navigateAction != null ?
navigateAction.getShortcutSet() :
new CustomShortcutSet(new MouseShortcut(MouseEvent.BUTTON1, InputEvent.CTRL_DOWN_MASK, 1)));
}
public void install(@NotNull List<? extends Editor> editors) {
myEditors = editors;
for (Editor editor : editors) {
registerCustomShortcutSet(getShortcutSet(), (EditorGutterComponentEx)editor.getGutter());
}
}
@Override
public void update(@NotNull AnActionEvent e) {
InputEvent inputEvent = e.getInputEvent();
if (!(inputEvent instanceof MouseEvent)) {
e.getPresentation().setEnabledAndVisible(false);
return;
}
if (e.getProject() == null) {
e.getPresentation().setEnabledAndVisible(false);
return;
}
if (e.getData(OpenInEditorAction.KEY) == null) {
e.getPresentation().setEnabledAndVisible(false);
return;
}
Component component = inputEvent.getComponent();
if (component == null) {
e.getPresentation().setEnabledAndVisible(false);
return;
}
Point point = ((MouseEvent)inputEvent).getPoint();
Component componentAt = SwingUtilities.getDeepestComponentAt(component, point.x, point.y);
if (!(componentAt instanceof EditorGutterComponentEx)) {
e.getPresentation().setEnabledAndVisible(false);
return;
}
Editor editor = getEditor(componentAt);
if (editor == null) {
e.getPresentation().setEnabledAndVisible(false);
return;
}
MouseEvent convertedEvent = SwingUtilities.convertMouseEvent(inputEvent.getComponent(), (MouseEvent)inputEvent, componentAt);
EditorMouseEventArea area = editor.getMouseEventArea(convertedEvent);
if (area != EditorMouseEventArea.LINE_NUMBERS_AREA) {
e.getPresentation().setEnabledAndVisible(false);
return;
}
e.getPresentation().setEnabledAndVisible(true);
}
@Override
public void actionPerformed(@NotNull AnActionEvent e) {
MouseEvent inputEvent = (MouseEvent)e.getInputEvent();
OpenInEditorAction openInEditorAction = e.getRequiredData(OpenInEditorAction.KEY);
Project project = e.getRequiredData(CommonDataKeys.PROJECT);
Component component = inputEvent.getComponent();
Point point = inputEvent.getPoint();
Component componentAt = SwingUtilities.getDeepestComponentAt(component, point.x, point.y);
MouseEvent convertedEvent = SwingUtilities.convertMouseEvent(inputEvent.getComponent(), inputEvent, componentAt);
Editor editor = getEditor(componentAt);
assert editor != null;
int line = editor.xyToLogicalPosition(convertedEvent.getPoint()).line;
Navigatable navigatable = getNavigatable(editor, line);
if (navigatable == null) return;
openInEditorAction.openEditor(project, navigatable);
}
@Nullable
private Editor getEditor(@NotNull Component component) {
for (Editor editor : myEditors) {
if (editor != null && editor.getGutter() == component) {
return editor;
}
}
return null;
}
@Nullable
protected abstract Navigatable getNavigatable(@NotNull Editor editor, int line);
}