org.jetbrains.plugins.gradle.service.project.wizard.SelectExternalSystemNodeDialog Maven / Gradle / Ivy

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A packaging of the IntelliJ Community Edition gradle library. This is release number 1 of trunk branch 142.
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/*
 * 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 org.jetbrains.plugins.gradle.service.project.wizard;

import com.intellij.openapi.externalSystem.model.DataNode;
import com.intellij.openapi.externalSystem.model.ExternalProjectInfo;
import com.intellij.openapi.externalSystem.model.project.ProjectData;
import com.intellij.openapi.externalSystem.service.project.manage.ExternalProjectsManager;
import com.intellij.openapi.externalSystem.service.project.manage.ProjectDataManager;
import com.intellij.openapi.externalSystem.view.ExternalProjectsStructure;
import com.intellij.openapi.externalSystem.view.ExternalProjectsView;
import com.intellij.openapi.externalSystem.view.ExternalProjectsViewAdapter;
import com.intellij.openapi.externalSystem.view.ExternalSystemNode;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.DialogWrapper;
import com.intellij.ui.ScrollPaneFactory;
import com.intellij.ui.treeStructure.SimpleNode;
import com.intellij.ui.treeStructure.SimpleNodeVisitor;
import com.intellij.ui.treeStructure.SimpleTree;
import com.intellij.util.Function;
import com.intellij.util.containers.ContainerUtil;
import com.intellij.util.ui.JBUI;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.plugins.gradle.util.GradleConstants;

import javax.swing.*;
import javax.swing.tree.TreeSelectionModel;
import java.awt.event.InputEvent;
import java.util.Collection;
import java.util.List;

/**
 * @author Vladislav.Soroka
 * @since 4/15/2015
 */
public class SelectExternalSystemNodeDialog extends DialogWrapper {

  private final SimpleTree myTree;
  private final NodeSelector mySelector;

  public SelectExternalSystemNodeDialog(Project project,
                                        String title,
                                        final Class nodeClass,
                                        NodeSelector selector) {
    super(project, false);
    mySelector = selector;
    setTitle(title);

    myTree = new SimpleTree();
    myTree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);

    final ExternalProjectsView projectsView = ExternalProjectsManager.getInstance(project).getExternalProjectsView(GradleConstants.SYSTEM_ID);
    if(projectsView != null) {
      final ExternalProjectsStructure treeStructure = new ExternalProjectsStructure(project, myTree) {
        @SuppressWarnings("unchecked")
        @Override
        protected Class[] getVisibleNodesClasses() {
          return new Class[]{nodeClass};
        }
      };
      treeStructure.init(new ExternalProjectsViewAdapter(projectsView) {
        @Nullable
        @Override
        public ExternalProjectsStructure getStructure() {
          return treeStructure;
        }

        @Override
        public void updateUpTo(ExternalSystemNode node) {
          treeStructure.updateUpTo(node);
        }

        @Override
        public void handleDoubleClickOrEnter(@NotNull ExternalSystemNode node, @Nullable String actionId, InputEvent inputEvent) {
          SelectExternalSystemNodeDialog.this.handleDoubleClickOrEnter(node, actionId, inputEvent);
        }
      });

      final Collection projectsData =
        ProjectDataManager.getInstance().getExternalProjectsData(project, GradleConstants.SYSTEM_ID);

      final List> dataNodes =
        ContainerUtil.mapNotNull(projectsData, new Function>() {
          @Override
          public DataNode fun(ExternalProjectInfo info) {
            return info.getExternalProjectStructure();
          }
        });
      treeStructure.updateProjects(dataNodes);

      final SimpleNode[] selection = new SimpleNode[]{null};
      treeStructure.accept(new SimpleNodeVisitor() {
        public boolean accept(SimpleNode each) {
          if (!mySelector.shouldSelect(each)) return false;
          selection[0] = each;
          return true;
        }
      });
      if (selection[0] != null) {
        treeStructure.select(selection[0]);
      }
    }

    init();
  }

  @Nullable
  @Override
  public JComponent getPreferredFocusedComponent() {
    return myTree;
  }

  protected void handleDoubleClickOrEnter(@NotNull ExternalSystemNode node, @Nullable String actionId, InputEvent inputEvent) {
  }

  protected SimpleNode getSelectedNode() {
    return myTree.getNodeFor(myTree.getSelectionPath());
  }

  @Nullable
  protected JComponent createCenterPanel() {
    final JScrollPane pane = ScrollPaneFactory.createScrollPane(myTree);
    pane.setPreferredSize(JBUI.size(320, 400));
    return pane;
  }

  protected interface NodeSelector {
    boolean shouldSelect(SimpleNode node);
  }
}