📄 gpoptionchoicepanel.java
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/* * Created on 18.05.2005 */package net.sourceforge.ganttproject.gui.options;import java.awt.BorderLayout;import java.awt.Component;import java.awt.event.ActionEvent;import javax.swing.AbstractAction;import javax.swing.AbstractButton;import javax.swing.Action;import javax.swing.BorderFactory;import javax.swing.Box;import javax.swing.ButtonGroup;import javax.swing.JComponent;import javax.swing.JPanel;import javax.swing.JRadioButton;import net.sourceforge.ganttproject.gui.options.model.GPOptionGroup;/** * @author bard */public class GPOptionChoicePanel { private ButtonGroup myExporterToggles; private AbstractButton[] myButtons; private JComponent[] myOptionComponents; private int mySelectedIndex; private String mySavedSelectedText; private OptionsPageBuilder myOptionPageBuilder = new OptionsPageBuilder(); public Component getComponent(Action[] choiceChangeActions, GPOptionGroup[] choiceOptions, int selectedGroupIndex) { JComponent[] choiceComponents = new JComponent[choiceOptions.length]; for (int i = 0; i < choiceChangeActions.length; i++) { GPOptionGroup nextOptions = choiceOptions[i]; JComponent nextOptionComponent = nextOptions == null ? new JPanel() : myOptionPageBuilder .buildPlanePage(new GPOptionGroup[] { nextOptions }); choiceComponents[i] = nextOptionComponent; } return getComponent(choiceChangeActions, choiceComponents, selectedGroupIndex); } public JComponent getComponent(Action[] choiceChangeActions, JComponent[] choiceComponents, int selectedGroupIndex) { myButtons = new AbstractButton[choiceChangeActions.length]; myOptionComponents = new JComponent[choiceChangeActions.length]; Box result = Box.createVerticalBox(); myExporterToggles = new ButtonGroup(); for (int i = 0; i < choiceChangeActions.length; i++) { final int selectedIndex = i; final Action nextRealAction = choiceChangeActions[i]; Action nextWrapperAction = new AbstractAction(String .valueOf(nextRealAction.getValue(Action.NAME))) { public void actionPerformed(ActionEvent e) { nextRealAction.actionPerformed(e); updateSelectionUI(selectedIndex); } }; JRadioButton nextButton = new JRadioButton(nextWrapperAction); nextButton.setBorder(BorderFactory.createEmptyBorder(0, 0, 5, 0)); JPanel nextExporterPanel = new JPanel(new BorderLayout()); nextExporterPanel.add(nextButton, BorderLayout.NORTH); myButtons[i] = nextButton; myExporterToggles.add(nextButton); JComponent nextOptionComponent = choiceComponents[i]; myOptionComponents[i] = nextOptionComponent; nextOptionComponent.setBorder(BorderFactory.createEmptyBorder( 0, 30, 20, 0)); nextExporterPanel.add(nextOptionComponent, BorderLayout.CENTER); setEnabledTree(nextOptionComponent, false); result.add(nextExporterPanel);// if (i == 0) {// nextButton.setSelected(true);// } } setSelected(selectedGroupIndex); return result; } private void updateSelectionUI(int selectedIndex) { AbstractButton prevSelected = myButtons[mySelectedIndex]; prevSelected.setText(mySavedSelectedText); setEnabledTree(myOptionComponents[mySelectedIndex], false); setSelected(selectedIndex); } private void setSelected(int selectedIndex) { AbstractButton newSelected = myButtons[selectedIndex]; mySavedSelectedText = newSelected.getText(); newSelected.setText("<html><body><b><u>" + mySavedSelectedText + "</u></b></body></html>"); mySelectedIndex = selectedIndex; newSelected.setSelected(true); setEnabledTree(myOptionComponents[mySelectedIndex], true); } private void setEnabledTree(JComponent root, boolean isEnabled) { root.setEnabled(isEnabled); Component[] components = root.getComponents(); for (int i = 0; i < components.length; i++) { if (components[i] instanceof JComponent) { setEnabledTree((JComponent) components[i], isEnabled); } } }}⌨️ 快捷键说明
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