/*
 * 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.ide.plugins;

import com.intellij.ide.IdeBundle;
import com.intellij.openapi.actionSystem.AnAction;
import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.actionSystem.Presentation;
import com.intellij.openapi.extensions.PluginId;
import com.intellij.openapi.project.DumbAware;
import com.intellij.openapi.ui.Messages;
import com.intellij.openapi.util.IconLoader;

import java.io.IOException;
import java.util.ArrayList;

/**
 * @author lloix
 */
public class ActionUninstallPlugin extends AnAction implements DumbAware {
  final private static String promptTitle = IdeBundle.message("title.plugin.uninstall");

  private final PluginTable pluginTable;
  private final PluginManagerMain host;

  public ActionUninstallPlugin(PluginManagerMain mgr, PluginTable table) {
    super(IdeBundle.message("action.uninstall.plugin"), IdeBundle.message("action.uninstall.plugin"), IconLoader.getIcon("/actions/uninstall.png"));

    pluginTable = table;
    host = mgr;
  }

  public void update(AnActionEvent e) {
    Presentation presentation = e.getPresentation();
    if (!pluginTable.isShowing()) {
      presentation.setEnabled(false);
      return;
    }
    IdeaPluginDescriptor[] selection = pluginTable.getSelectedObjects();
    boolean enabled = (selection != null);

    if (enabled) {
      for (IdeaPluginDescriptor descriptor : selection) {
        if (descriptor instanceof IdeaPluginDescriptorImpl) {
          final IdeaPluginDescriptorImpl ideaPluginDescriptor = (IdeaPluginDescriptorImpl)descriptor;
          if (ideaPluginDescriptor.isDeleted() || ideaPluginDescriptor.isBundled()) {
            enabled = false;
            break;
          }
        }
        if (descriptor instanceof PluginNode) {
          enabled = false;
          break;
        }
      }
    }
    presentation.setEnabled(enabled);
  }

  public void actionPerformed(AnActionEvent e) {
    String message;
    IdeaPluginDescriptor[] selection = pluginTable.getSelectedObjects();

    if (selection.length == 1) {
      message = IdeBundle.message("prompt.uninstall.plugin", selection[0].getName());
    }
    else {
      message = IdeBundle.message("prompt.uninstall.several.plugins", selection.length);
    }
    if (Messages.showYesNoDialog(host.getMainPanel(), message, promptTitle, Messages.getQuestionIcon()) != 0) return;

    for (IdeaPluginDescriptor descriptor : selection) {
      IdeaPluginDescriptorImpl pluginDescriptor = (IdeaPluginDescriptorImpl)descriptor;

      boolean actualDelete = true;

      //  Get the list of plugins which depend on this one. If this list is
      //  not empty - issue warning instead of simple prompt.
      ArrayList<IdeaPluginDescriptorImpl> dependant = host.getDependentList(pluginDescriptor);
      if (dependant.size() > 0) {
        message = IdeBundle.message("several.plugins.depend.on.0.continue.to.remove", pluginDescriptor.getName());
        actualDelete = (Messages.showYesNoDialog(host.getMainPanel(), message, promptTitle, Messages.getQuestionIcon()) == 0);
      }

      if (actualDelete) uninstallPlugin(pluginDescriptor);
    }
  }

  private void uninstallPlugin(IdeaPluginDescriptorImpl descriptor) {
    PluginId pluginId = descriptor.getPluginId();
    descriptor.setDeleted(true);

    try {
      PluginInstaller.prepareToUninstall(pluginId);
      PluginManagerUISettings.getInstance().myInstalledPlugins.remove(pluginId.getIdString());
      host.setRequireShutdown(descriptor.isEnabled());
      pluginTable.updateUI();
    }
    catch (IOException e1) {
      PluginManagerMain.LOG.error(e1);
    }
  }
}

@@ -1007,16 +1007,79 @@
 nLoader;
+%0Aimport com.intellij.openapi.util.JDOMExternalizableStringList;
 %0A%0Aimport
@@ -4011,24 +4011,78 @@
 inId);%0A     
+ final JDOMExternalizableStringList installedPlugins =
  PluginManag
@@ -4130,40 +4130,184 @@
 gins
-.remove(pluginId.getIdString());
+;%0A      final String pluginIdString = pluginId.getIdString();%0A      while (installedPlugins.contains(pluginIdString)) %7B%0A        installedPlugins.remove(pluginIdString);%0A      %7D
 %0A   

clear all plugin occurrences on delete (IDEA-79624)