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/*
* 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.openapi.ui;
import com.intellij.openapi.util.Comparing;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.ui.IdeBorderFactory;
import com.intellij.ui.PanelWithAnchor;
import com.intellij.ui.components.JBLabel;
import com.intellij.util.ui.UIUtil;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
import java.awt.*;
public class LabeledComponent<Comp extends JComponent> extends JPanel implements PanelWithAnchor {
private final JBLabel myLabel = new JBLabel();
private Comp myComponent;
private String myLabelConstraints = BorderLayout.NORTH;
private JComponent myAnchor;
public LabeledComponent() {
super(new BorderLayout(UIUtil.DEFAULT_HGAP, 2));
insertLabel();
}
@NotNull
public static <Comp extends JComponent> LabeledComponent<Comp> create(@NotNull Comp component, @NotNull String text) {
final LabeledComponent<Comp> labeledComponent = new LabeledComponent<Comp>();
labeledComponent.setComponent(component);
labeledComponent.setText(text);
return labeledComponent;
}
private void insertLabel() {
remove(myLabel);
add(myLabel, myLabelConstraints);
setAnchor(myLabel);
}
public void setText(String textWithMnemonic) {
if (!StringUtil.endsWithChar(textWithMnemonic, ':')) textWithMnemonic += ":";
TextWithMnemonic withMnemonic = TextWithMnemonic.fromTextWithMnemonic(textWithMnemonic);
withMnemonic.setToLabel(myLabel);
}
public String getText() {
String text = TextWithMnemonic.fromLabel(myLabel).getTextWithMnemonic();
if (StringUtil.endsWithChar(text, ':')) return text.substring(0, text.length() - 1);
return text;
}
public void setComponentClass(@NonNls String className) throws ClassNotFoundException, InstantiationException,
IllegalAccessException {
if (className != null) {
Class<Comp> aClass = (Class<Comp>)getClass().getClassLoader().loadClass(className);
Comp component = aClass.newInstance();
setComponent(component);
}
else {
setComponent(null);
}
}
public void setComponent(Comp component) {
if (myComponent != null) remove(myComponent);
myComponent = component;
if (myComponent != null) {
add(myComponent, BorderLayout.CENTER);
}
if (myComponent instanceof ComponentWithBrowseButton && !(myComponent instanceof TextFieldWithBrowseButton)) {
myLabel.setLabelFor(((ComponentWithBrowseButton)myComponent).getChildComponent());
} else myLabel.setLabelFor(myComponent);
}
public String getComponentClass() {
if (myComponent == null) return null;
return getComponent().getClass().getName();
}
public Comp getComponent() {
return myComponent;
}
@Override
public void setEnabled(boolean enabled) {
super.setEnabled(enabled);
if (myComponent != null) myComponent.setEnabled(enabled);
myLabel.setEnabled(enabled);
}
public void setLabelLocation(@NonNls String borderConstrains) {
String constrains = findBorderConstrains(borderConstrains);
if (constrains == null || constrains.equals(myLabelConstraints)) return;
myLabelConstraints = borderConstrains;
insertLabel();
}
public String getLabelLocation() {
return myLabelConstraints;
}
public Insets getLabelInsets() {
return myLabel.getInsets();
}
public void setLabelInsets(Insets insets) {
if (Comparing.equal(insets, getLabelInsets())) return;
myLabel.setBorder(IdeBorderFactory.createEmptyBorder(insets));
}
private static final String[] LABEL_BORDER_CONSTRAINS = new String[]{BorderLayout.NORTH, BorderLayout.EAST, BorderLayout.SOUTH, BorderLayout.WEST};
private static String findBorderConstrains(String str) {
for (String constrain : LABEL_BORDER_CONSTRAINS) {
if (constrain.equals(str)) return constrain;
}
return null;
}
public String getRawText() {
return myLabel.getText().replace("\u001B", "");
}
public JBLabel getLabel() {
return myLabel;
}
@Override
public JComponent getAnchor() {
return myAnchor;
}
@Override
public void setAnchor(@Nullable JComponent labelAnchor) {
myAnchor = labelAnchor;
myLabel.setAnchor(labelAnchor);
}
public static class TextWithMnemonic {
private final String myText;
private final int myMnemoniIndex;
public TextWithMnemonic(String text, int mnemoniIndex) {
myText = text;
myMnemoniIndex = mnemoniIndex;
}
public void setToLabel(JLabel label) {
label.setText(myText);
if (myMnemoniIndex != -1) label.setDisplayedMnemonic(myText.charAt(myMnemoniIndex));
else label.setDisplayedMnemonic(0);
label.setDisplayedMnemonicIndex(myMnemoniIndex);
}
public String getTextWithMnemonic() {
if (myMnemoniIndex == -1) return myText;
return myText.substring(0, myMnemoniIndex) + "&" + myText.substring(myMnemoniIndex);
}
public static TextWithMnemonic fromTextWithMnemonic(String textWithMnemonic) {
int mnemonicIndex = textWithMnemonic.indexOf('&');
if (mnemonicIndex == -1) {
return new TextWithMnemonic(textWithMnemonic, -1);
}
textWithMnemonic = textWithMnemonic.substring(0, mnemonicIndex) + textWithMnemonic.substring(mnemonicIndex + 1);
return new TextWithMnemonic(textWithMnemonic, mnemonicIndex);
}
public static TextWithMnemonic fromLabel(JLabel label) {
return new TextWithMnemonic(label.getText(), label.getDisplayedMnemonicIndex());
}
}
}
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