Java tutorial
/* * Copyright 2000-2012 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.macro; import com.intellij.ide.DataManager; import com.intellij.ide.IdeBundle; import com.intellij.openapi.actionSystem.impl.SimpleDataContext; import com.intellij.openapi.help.HelpManager; import com.intellij.openapi.project.Project; import com.intellij.openapi.ui.DialogWrapper; import com.intellij.openapi.util.text.StringUtil; import com.intellij.ui.DoubleClickListener; import com.intellij.ui.ScrollPaneFactory; import com.intellij.ui.SeparatorFactory; import com.intellij.ui.components.JBList; import org.jetbrains.annotations.NotNull; import javax.swing.*; import javax.swing.event.ListSelectionEvent; import javax.swing.event.ListSelectionListener; import java.awt.*; import java.awt.event.MouseEvent; import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; public final class MacrosDialog extends DialogWrapper { private final DefaultListModel myMacrosModel; private final JList myMacrosList; private final JTextArea myPreviewTextarea; public MacrosDialog(Project project) { super(project, true); MacroManager.getInstance().cacheMacrosPreview(SimpleDataContext.getProjectContext(project)); setTitle(IdeBundle.message("title.macros")); setOKButtonText(IdeBundle.message("button.insert")); myMacrosModel = new DefaultListModel(); myMacrosList = new JBList(myMacrosModel); myPreviewTextarea = new JTextArea(); init(); } public MacrosDialog(Component parent) { super(parent, true); MacroManager.getInstance().cacheMacrosPreview(DataManager.getInstance().getDataContext(parent)); setTitle(IdeBundle.message("title.macros")); setOKButtonText(IdeBundle.message("button.insert")); myMacrosModel = new DefaultListModel(); myMacrosList = new JBList(myMacrosModel); myPreviewTextarea = new JTextArea(); init(); } @Override protected void init() { super.init(); java.util.List<Macro> macros = new ArrayList<Macro>(MacroManager.getInstance().getMacros()); Collections.sort(macros, new Comparator<Macro>() { @Override public int compare(Macro macro1, Macro macro2) { String name1 = macro1.getName(); String name2 = macro2.getName(); if (!StringUtil.startsWithChar(name1, '/')) { name1 = ZERO + name1; } if (!StringUtil.startsWithChar(name2, '/')) { name2 = ZERO + name2; } return name1.compareToIgnoreCase(name2); } private final String ZERO = new String(new char[] { 0 }); }); for (Macro macro : macros) { myMacrosModel.addElement(new MacroWrapper(macro)); } addListeners(); if (myMacrosModel.size() > 0) { myMacrosList.setSelectedIndex(0); } else { setOKActionEnabled(false); } } @Override @NotNull protected Action[] createActions() { return new Action[] { getOKAction(), getCancelAction(), getHelpAction() }; } @Override protected void doHelpAction() { HelpManager.getInstance().invokeHelp("reference.settings.ide.settings.external.tools.macros"); } @Override protected String getDimensionServiceKey() { return "#com.intellij.ide.macro.MacrosDialog"; } @Override protected JComponent createCenterPanel() { JPanel panel = new JPanel(new GridBagLayout()); GridBagConstraints constr; // list label constr = new GridBagConstraints(); constr.gridy = 0; constr.anchor = GridBagConstraints.WEST; constr.fill = GridBagConstraints.HORIZONTAL; panel.add(SeparatorFactory.createSeparator(IdeBundle.message("label.macros"), null), constr); // macros list constr = new GridBagConstraints(); constr.gridy = 1; constr.weightx = 1; constr.weighty = 1; constr.fill = GridBagConstraints.BOTH; constr.anchor = GridBagConstraints.WEST; panel.add(ScrollPaneFactory.createScrollPane(myMacrosList), constr); myMacrosList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION); myMacrosList.setPreferredSize(null); // preview label constr = new GridBagConstraints(); constr.gridx = 0; constr.gridy = 2; constr.anchor = GridBagConstraints.WEST; constr.fill = GridBagConstraints.HORIZONTAL; panel.add(SeparatorFactory.createSeparator(IdeBundle.message("label.macro.preview"), null), constr); // preview constr = new GridBagConstraints(); constr.gridx = 0; constr.gridy = 3; constr.weightx = 1; constr.weighty = 1; constr.fill = GridBagConstraints.BOTH; constr.anchor = GridBagConstraints.WEST; panel.add(ScrollPaneFactory.createScrollPane(myPreviewTextarea), constr); myPreviewTextarea.setEditable(false); myPreviewTextarea.setLineWrap(true); myPreviewTextarea.setPreferredSize(null); panel.setPreferredSize(new Dimension(400, 500)); return panel; } /** * Macro info shown in list */ private static final class MacroWrapper { private final Macro myMacro; public MacroWrapper(Macro macro) { myMacro = macro; } public String toString() { return myMacro.getName() + " - " + myMacro.getDescription(); } } private void addListeners() { myMacrosList.getSelectionModel().addListSelectionListener(new ListSelectionListener() { @Override public void valueChanged(ListSelectionEvent e) { Macro macro = getSelectedMacro(); if (macro == null) { myPreviewTextarea.setText(""); setOKActionEnabled(false); } else { myPreviewTextarea.setText(macro.preview()); setOKActionEnabled(true); } } }); new DoubleClickListener() { @Override protected boolean onDoubleClick(MouseEvent e) { if (getSelectedMacro() != null) { close(OK_EXIT_CODE); return true; } return false; } }.installOn(myMacrosList); } public Macro getSelectedMacro() { MacroWrapper macroWrapper = (MacroWrapper) myMacrosList.getSelectedValue(); if (macroWrapper != null) { return macroWrapper.myMacro; } return null; } @Override public JComponent getPreferredFocusedComponent() { return myMacrosList; } }