Java tutorial
/* * Copyright 2000-2011 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.ui.wizard; import com.intellij.openapi.application.ApplicationManager; import com.intellij.openapi.help.HelpManager; import com.intellij.openapi.project.Project; import com.intellij.openapi.ui.DialogWrapper; import com.intellij.openapi.ui.ex.MultiLineLabel; import com.intellij.ui.SeparatorComponent; import org.jetbrains.annotations.NonNls; import javax.swing.*; import java.awt.*; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.KeyEvent; import java.util.HashMap; import java.util.Map; public class WizardDialog<T extends WizardModel> extends DialogWrapper implements WizardCallback { protected final T myModel; private final JButton myPrevious = new JButton(); private final JButton myNext = new JButton(); private final JButton myFinish = new JButton(); private final JButton myCancel = new JButton(); private final JButton myHelp = new JButton(); private final JLabel myIcon = new JLabel(); private final JLabel myHeader = new JLabel(); private final JLabel myExplanation = new MultiLineLabel(); private JPanel myStepContent; private CardLayout myCardLayout; private final Map<WizardStep, String> myStepCardNames = new HashMap<WizardStep, String>(); public WizardDialog(Project project, boolean canBeParent, T model) { super(project, canBeParent); myModel = model; init(); } public WizardDialog(boolean canBeParent, T model) { super(canBeParent); myModel = model; init(); } public WizardDialog(boolean canBeParent, boolean tryToolkitModal, T model) { super(canBeParent, tryToolkitModal); myModel = model; init(); } public WizardDialog(Component parent, boolean canBeParent, T model) { super(parent, canBeParent); myModel = model; init(); } protected JComponent createCenterPanel() { JPanel result = new JPanel(new BorderLayout()); JPanel icon = new JPanel(new BorderLayout()); icon.add(myIcon, BorderLayout.NORTH); result.add(icon, BorderLayout.WEST); JPanel header = new JPanel(); header.setLayout(new BoxLayout(header, BoxLayout.Y_AXIS)); header.add(myHeader); header.add(Box.createVerticalStrut(4)); header.add(myExplanation); header.add(Box.createVerticalStrut(4)); header.add(new SeparatorComponent(0, Color.gray, null)); header.setBorder(BorderFactory.createEmptyBorder(4, 2, 4, 2)); JPanel content = new JPanel(new BorderLayout(12, 12)); content.add(header, BorderLayout.NORTH); myCardLayout = new CardLayout(); myStepContent = new JPanel(myCardLayout) { public Dimension getPreferredSize() { Dimension custom = getWindowPreferredSize(); Dimension superSize = super.getPreferredSize(); if (custom != null) { custom.width = custom.width > 0 ? custom.width : superSize.width; custom.height = custom.height > 0 ? custom.height : superSize.height; } else { custom = superSize; } return custom; } }; content.add(header, BorderLayout.NORTH); content.add(myStepContent, BorderLayout.CENTER); result.add(content, BorderLayout.CENTER); //myHeader.setFont(myHeader.getFont().deriveFont(Font.BOLD, 14)); //myHeader.setFont(myHeader.getFont().deriveFont(Font.PLAIN, 12)); return result; } protected void init() { setTitle(myModel.getTitle()); initHelpButton(); myModel.setCallback(this); super.init(); initCurrentStep(); } private void initHelpButton() { myHelp.setText("Help"); myHelp.setMnemonic('H'); myHelp.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { onHelp(); } }); getRootPane().registerKeyboardAction(new ActionListener() { public void actionPerformed(final ActionEvent e) { onHelp(); } }, KeyStroke.getKeyStroke(KeyEvent.VK_F1, 0), JComponent.WHEN_IN_FOCUSED_WINDOW); getRootPane().registerKeyboardAction(new ActionListener() { public void actionPerformed(final ActionEvent e) { onHelp(); } }, KeyStroke.getKeyStroke(KeyEvent.VK_HELP, 0), JComponent.WHEN_IN_FOCUSED_WINDOW); } private void onHelp() { HelpManager.getInstance().invokeHelp(myModel.getCurrentStep().getHelpId()); } private void initCurrentStep() { WizardStep current = myModel.getCurrentStep(); myIcon.setIcon(current.getIcon()); myHeader.setFont(myHeader.getFont().deriveFont(Font.BOLD, 14)); myHeader.setText(current.getTitle()); myExplanation.setText(current.getExplanation()); @NonNls String stepName = myStepCardNames.get(current); if (stepName == null) { stepName = "Step" + myStepCardNames.size(); myStepContent.add(myModel.getCurrentComponent(), stepName); myStepCardNames.put(current, stepName); } myCardLayout.show(myStepContent, stepName); WizardNavigationState state = myModel.getCurrentNavigationState(); myPrevious.setAction(state.PREVIOUS); myNext.setAction(state.NEXT); myFinish.setAction(state.FINISH); myCancel.setAction(state.CANCEL); if (myNext.isEnabled()) { getRootPane().setDefaultButton(myNext); } else if (myFinish.isEnabled()) { getRootPane().setDefaultButton(myFinish); myFinish.requestFocusInWindow(); } else if (myCancel.isEnabled()) { getRootPane().setDefaultButton(myCancel); } else { getRootPane().setDefaultButton(null); } JComponent focusComponent = current.getPreferredFocusedComponent(); if (focusComponent != null) { focusComponent.requestFocusInWindow(); } } protected JComponent createSouthPanel() { final JPanel southPanel = new JPanel(new BorderLayout()); final JPanel panel = new JPanel(new GridLayout(1, 0, 5, 0)); panel.add(myPrevious); panel.add(myNext); panel.add(myFinish); panel.add(myCancel); if (ApplicationManager.getApplication() != null) { // we won't be able to show help if there's no HelpManager panel.add(myHelp); } southPanel.add(panel, BorderLayout.EAST); southPanel.setBorder(BorderFactory.createEmptyBorder(8, 0, 0, 0)); return southPanel; } public void onStepChanged() { initCurrentStep(); } public void onWizardGoalDropped() { doCancelAction(); } public void onWizardGoalAchieved() { doOKAction(); } public boolean isWizardGoalAchieved() { return isOK(); } protected Dimension getWindowPreferredSize() { return null; } @Override public JComponent getPreferredFocusedComponent() { return myModel.getCurrentStep().getPreferredFocusedComponent(); } }