com.intellij.ide.plugins.UninstallPluginAction.java Source code

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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.ide.plugins;

import com.intellij.icons.AllIcons;
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.JDOMExternalizableStringList;

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

/**
 * @author Konstantin Bulenkov
 */
public class UninstallPluginAction extends AnAction implements DumbAware {
    private final PluginTable pluginTable;
    private final PluginManagerMain host;

    public UninstallPluginAction(PluginManagerMain mgr, PluginTable table) {
        super(IdeBundle.message("action.uninstall.plugin"), IdeBundle.message("action.uninstall.plugin"),
                AllIcons.Actions.Uninstall);

        pluginTable = table;
        host = mgr;
    }

    @Override
    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);
    }

    @Override
    public void actionPerformed(AnActionEvent e) {
        uninstall(host, pluginTable.getSelectedObjects());
        pluginTable.updateUI();
    }

    public static void uninstall(PluginManagerMain host, IdeaPluginDescriptor... selection) {
        String message;

        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, IdeBundle.message("title.plugin.uninstall"),
                Messages.getQuestionIcon()) != Messages.YES)
            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,
                        IdeBundle.message("title.plugin.uninstall"), Messages.getQuestionIcon()) == Messages.YES);
            }

            if (actualDelete) {
                uninstallPlugin(pluginDescriptor, host);
            }
        }
    }

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

        try {
            PluginInstaller.prepareToUninstall(pluginId);
            final JDOMExternalizableStringList installedPlugins = PluginManagerUISettings.getInstance()
                    .getInstalledPlugins();
            final String pluginIdString = pluginId.getIdString();
            while (installedPlugins.contains(pluginIdString)) {
                installedPlugins.remove(pluginIdString);
            }
            host.setRequireShutdown(descriptor.isEnabled());
        } catch (IOException e1) {
            PluginManagerMain.LOG.error(e1);
        }
    }
}