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/*
* Copyright 2000-2010 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.
*/
/*
* @author max
*/
package com.intellij.util.ui;
import com.intellij.ui.components.JBLabel;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
import javax.swing.border.EmptyBorder;
import java.awt.*;
import static com.intellij.util.ui.UIUtil.DEFAULT_HGAP;
import static com.intellij.util.ui.UIUtil.DEFAULT_VGAP;
import static java.awt.GridBagConstraints.*;
public class FormBuilder {
private boolean myAlignLabelOnRight;
private int myLineCount = 0;
private int myIndent;
private final JPanel myPanel;
private boolean myVertical;
private int myVerticalGap;
private int myHorizontalGap;
public FormBuilder() {
myPanel = new JPanel(new GridBagLayout());
myVertical = false;
myIndent = 0;
myAlignLabelOnRight = false;
myVerticalGap = DEFAULT_VGAP;
myHorizontalGap = DEFAULT_HGAP;
}
public static FormBuilder createFormBuilder() {
return new FormBuilder();
}
public FormBuilder addLabeledComponent(@Nullable JComponent label, @NotNull JComponent component) {
return addLabeledComponent(label, component, myVerticalGap, false);
}
public FormBuilder addLabeledComponent(@Nullable JComponent label, @NotNull JComponent component, final int topInset) {
return addLabeledComponent(label, component, topInset, false);
}
public FormBuilder addLabeledComponent(@Nullable JComponent label, @NotNull JComponent component, boolean labelOnTop) {
return addLabeledComponent(label, component, myVerticalGap, labelOnTop);
}
public FormBuilder addLabeledComponent(@NotNull String labelText, @NotNull JComponent component) {
return addLabeledComponent(labelText, component, myVerticalGap, false);
}
public FormBuilder addLabeledComponent(@NotNull String labelText, @NotNull JComponent component, final int topInset) {
return addLabeledComponent(labelText, component, topInset, false);
}
public FormBuilder addLabeledComponent(@NotNull String labelText, @NotNull JComponent component, boolean labelOnTop) {
return addLabeledComponent(labelText, component, myVerticalGap, labelOnTop);
}
public FormBuilder addLabeledComponent(@NotNull String labelText, @NotNull JComponent component, final int topInset, boolean labelOnTop) {
JLabel label = new JLabel(UIUtil.removeMnemonic(labelText));
final int index = UIUtil.getDisplayMnemonicIndex(labelText);
if (index != -1) {
label.setDisplayedMnemonic(labelText.charAt(index + 1));
label.setDisplayedMnemonicIndex(index);
}
label.setLabelFor(component);
return addLabeledComponent(label, component, topInset, labelOnTop);
}
public FormBuilder addComponent(@NotNull JComponent component) {
return addLabeledComponent((JLabel)null, component, myVerticalGap, false);
}
public FormBuilder addComponent(@NotNull JComponent component, final int topInset) {
return addLabeledComponent((JLabel)null, component, topInset, false);
}
public FormBuilder addSeparator(final int topInset) {
return addComponent(new JSeparator(), topInset);
}
public FormBuilder addSeparator() {
return addSeparator(myVerticalGap);
}
public FormBuilder addVerticalGap(final int height) {
return addLabeledComponent((JLabel)null,
new Box.Filler(new Dimension(0, height), new Dimension(0, height), new Dimension(Short.MAX_VALUE, height)));
}
public FormBuilder addTooltip(final String text) {
final JBLabel label = new JBLabel(text, UIUtil.ComponentStyle.SMALL, UIUtil.FontColor.BRIGHTER);
label.setBorder(new EmptyBorder(0, 10, 0, 0));
return addComponentToRightColumn(label, 1);
}
public FormBuilder addComponentToRightColumn(@NotNull final JComponent component) {
return addComponentToRightColumn(component, myVerticalGap);
}
public FormBuilder addComponentToRightColumn(@NotNull final JComponent component, final int topInset) {
return addLabeledComponent(new JLabel(), component, topInset);
}
public FormBuilder addLabeledComponent(@Nullable JComponent label, @NotNull JComponent component, int topInset, boolean labelOnTop) {
GridBagConstraints c = new GridBagConstraints();
topInset = myLineCount > 0 ? topInset : 0;
if (myVertical || labelOnTop || label == null) {
c.gridwidth = 2;
c.gridx = 0;
c.gridy = myLineCount;
c.weightx = 0;
c.weighty = 0;
c.fill = NONE;
c.anchor = getLabelAnchor(component, false);
c.insets = new Insets(topInset, myIndent, DEFAULT_VGAP, 0);
if (label != null) myPanel.add(label, c);
c.gridx = 0;
c.gridy = myLineCount + 1;
c.weightx = 1.0;
c.weighty = getWeightY(component);
c.fill = getFill(component);
c.anchor = WEST;
c.insets = new Insets(label == null ? topInset : 0, myIndent, 0, 0);
myPanel.add(component, c);
myLineCount += 2;
}
else {
c.gridwidth = 1;
c.gridx = 0;
c.gridy = myLineCount;
c.weightx = 0;
c.weighty = 0;
c.fill = NONE;
c.anchor = getLabelAnchor(component, true);
c.insets = new Insets(topInset, myIndent, 0, myHorizontalGap);
myPanel.add(label, c);
c.gridx = 1;
c.weightx = 1;
c.weighty = getWeightY(component);
c.fill = getFill(component);
c.anchor = WEST;
c.insets = new Insets(topInset, myIndent, 0, 0);
myPanel.add(component, c);
myLineCount++;
}
return this;
}
private int getLabelAnchor(JComponent component, boolean honorAlignment) {
if (component instanceof JScrollPane) return honorAlignment && myAlignLabelOnRight ? NORTHEAST : NORTHWEST;
return honorAlignment && myAlignLabelOnRight ? EAST : WEST;
}
protected int getFill(JComponent component) {
if (component instanceof JComboBox || component instanceof JSpinner) {
return NONE;
}
else if (component instanceof JScrollPane) {
return BOTH;
}
else if (component instanceof JTextField && ((JTextField)component).getColumns() != 0) {
return NONE;
}
return HORIZONTAL;
}
private static int getWeightY(JComponent component) {
if (component instanceof JScrollPane) return 1;
return 0;
}
public JPanel getPanel() {
return myPanel;
}
public int getLineCount() {
return myLineCount;
}
public FormBuilder setAlignLabelOnRight(boolean alignLabelOnRight) {
myAlignLabelOnRight = alignLabelOnRight;
return this;
}
public FormBuilder setVertical(boolean vertical) {
myVertical = vertical;
return this;
}
public FormBuilder setVerticalGap(int verticalGap) {
myVerticalGap = verticalGap;
return this;
}
public FormBuilder setHorizontalGap(int horizontalGap) {
myHorizontalGap = horizontalGap;
return this;
}
public FormBuilder setIndent(int indent) {
myIndent = indent;
return this;
}
}
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