/*
* Copyright 2000-2016 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.ide.fileTemplates.actions;
import com.intellij.codeInsight.template.TemplateManager;
import com.intellij.codeInsight.template.impl.TemplateImpl;
import com.intellij.ide.IdeView;
import com.intellij.ide.fileTemplates.FileTemplate;
import com.intellij.ide.fileTemplates.FileTemplateManager;
import com.intellij.ide.fileTemplates.ui.CreateFromTemplateDialog;
import com.intellij.ide.util.DirectoryChooserUtil;
import com.intellij.ide.util.EditorHelper;
import com.intellij.openapi.actionSystem.AnAction;
import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.actionSystem.DataContext;
import com.intellij.openapi.actionSystem.LangDataKeys;
import com.intellij.openapi.command.WriteCommandAction;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.project.Project;
import com.intellij.psi.PsiDirectory;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import consulo.annotations.RequiredDispatchThread;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
import java.util.*;
import static com.intellij.util.ObjectUtils.notNull;
public abstract class CreateFromTemplateActionBase extends AnAction {
public CreateFromTemplateActionBase(final String title, final String description, final Icon icon) {
super(title, description, icon);
}
@RequiredDispatchThread
@Override
public final void actionPerformed(@NotNull AnActionEvent e) {
DataContext dataContext = e.getDataContext();
IdeView view = LangDataKeys.IDE_VIEW.getData(dataContext);
if (view == null) return;
PsiDirectory dir = getTargetDirectory(dataContext, view);
if (dir == null) return;
Project project = dir.getProject();
FileTemplate selectedTemplate = getTemplate(project, dir);
if (selectedTemplate != null) {
AnAction action = getReplacedAction(selectedTemplate);
if (action != null) {
action.actionPerformed(e);
}
else {
FileTemplateManager.getInstance(project).addRecentName(selectedTemplate.getName());
AttributesDefaults defaults = getAttributesDefaults(dataContext);
Properties properties = defaults != null ? defaults.getDefaultProperties() : null;
CreateFromTemplateDialog dialog = new CreateFromTemplateDialog(project, dir, selectedTemplate, defaults, properties);
PsiElement createdElement = dialog.create();
if (createdElement != null) {
elementCreated(dialog, createdElement);
view.selectElement(createdElement);
if (selectedTemplate.isLiveTemplateEnabled() && createdElement instanceof PsiFile) {
Map<String, String> defaultValues = getLiveTemplateDefaults(dataContext, ((PsiFile)createdElement));
startLiveTemplate((PsiFile)createdElement, notNull(defaultValues, Collections.emptyMap()));
}
}
}
}
}
public static void startLiveTemplate(@NotNull PsiFile file) {
startLiveTemplate(file, Collections.emptyMap());
}
public static void startLiveTemplate(@NotNull PsiFile file, @NotNull Map<String, String> defaultValues) {
Editor editor = EditorHelper.openInEditor(file);
if (editor == null) return;
TemplateImpl template = new TemplateImpl("", file.getText(), "");
template.setInline(true);
int count = template.getSegmentsCount();
if (count == 0) return;
Set<String> variables = new HashSet<>();
for (int i = 0; i < count; i++) {
variables.add(template.getSegmentName(i));
}
variables.removeAll(TemplateImpl.INTERNAL_VARS_SET);
for (String variable : variables) {
String defaultValue = defaultValues.getOrDefault(variable, variable);
template.addVariable(variable, null, '"' + defaultValue + '"', true);
}
Project project = file.getProject();
WriteCommandAction.runWriteCommandAction(project, () -> editor.getDocument().setText(template.getTemplateText()));
editor.getCaretModel().moveToOffset(0); // ensures caret at the start of the template
TemplateManager.getInstance(project).startTemplate(editor, template);
}
@Nullable
protected PsiDirectory getTargetDirectory(DataContext dataContext, IdeView view) {
return DirectoryChooserUtil.getOrChooseDirectory(view);
}
protected abstract FileTemplate getTemplate(Project project, PsiDirectory dir);
@Nullable
protected AnAction getReplacedAction(FileTemplate selectedTemplate) {
return null;
}
@Nullable
protected AttributesDefaults getAttributesDefaults(DataContext dataContext) {
return null;
}
protected void elementCreated(CreateFromTemplateDialog dialog, PsiElement createdElement) { }
@Nullable
protected Map<String, String> getLiveTemplateDefaults(DataContext dataContext, @NotNull PsiFile file) {
return null;
}
}