platform/platform-impl/src/com/intellij/ui/SeparatorComponent.java

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package com.intellij.ui;
  17
  18 import javax.swing.*;
  19 import java.awt.*;
  20
  21 public class SeparatorComponent extends JComponent {
  22   private int myVGap = 3;
  23   private Color myColor = Color.lightGray;
  24   private Color myShadow = new Color(240, 240, 240);
  25   private int myHGap = 1;
  26   private SeparatorOrientation myOrientation = SeparatorOrientation.HORIZONTAL;
  27
  28   public SeparatorComponent() {
  29
  30   }
  31
  32   public SeparatorComponent(int aVerticalGap) {
  33     myVGap = aVerticalGap;
  34     setBorder(BorderFactory.createEmptyBorder(myVGap, 0, myVGap, 0));
  35   }
  36
  37   public SeparatorComponent(int aVerticalGap, Color aColor, Color aShadowColor) {
  38     this(aVerticalGap, 1, aColor, aShadowColor);
  39   }
  40
  41   public SeparatorComponent(int aVerticalGap, int horizontalGap, Color aColor, Color aShadowColor) {
  42     myVGap = aVerticalGap;
  43     myHGap = horizontalGap;
  44     myColor = aColor;
  45     myShadow = aShadowColor;
  46     setBorder(BorderFactory.createEmptyBorder(myVGap, 0, myVGap, 0));
  47   }
  48
  49   public SeparatorComponent(Color color, SeparatorOrientation orientation) {
  50     myColor = color;
  51     myOrientation = orientation;
  52     myShadow = null;
  53     myHGap = 0;
  54     myVGap = 0;
  55   }
  56
  57   protected void paintComponent(Graphics g) {
  58     if (!isVisible()) return;
  59
  60     if (myColor == null) return;
  61
  62     g.setColor(myColor);
  63     if (myOrientation != SeparatorOrientation.VERTICAL) {
  64       g.drawLine(myHGap, myVGap, getWidth() - myHGap - 1, myVGap);
  65       if (myShadow != null) {
  66         g.setColor(myShadow);
  67         g.drawLine(myHGap + 1, myVGap + 1, getWidth() - myHGap, myVGap + 1);
  68       }
  69     } else {
  70       g.drawLine(myHGap, myVGap, myHGap, getHeight() - myVGap - 1);
  71       if (myShadow != null) {
  72         g.setColor(myShadow);
  73         g.drawLine(myHGap + 1, myVGap + 1, myHGap + 1, getHeight() - myVGap);
  74       }
  75     }
  76
  77   }
  78
  79   public Dimension getPreferredSize() {
  80     if (myOrientation != SeparatorOrientation.VERTICAL)
  81       return new Dimension(0, myVGap * 2 + 1);
  82     else
  83       return new Dimension(myHGap * 2 + 1, 1 + ((myShadow != null) ? 1 : 0));
  84   }
  85
  86   public Dimension getMinimumSize() {
  87     return getPreferredSize();
  88   }
  89
  90   /**
  91    * Create control what consist of label with <strong>title</strong> text in the left side and single line at all rest space.
  92    * @param titleText text for a label.
  93    * @param containerBackgroungColor background color of container in that control will be putted on.
  94    */
  95   public static JComponent createLabbeledLineSeparator(final String titleText, final Color containerBackgroungColor) {
  96     JLabel titleLabel = new JLabel(titleText);
  97     titleLabel.setFont(UIManager.getFont("Label.font"));
  98     titleLabel.setForeground(Colors.DARK_BLUE);
  99
 100     SeparatorComponent separatorComponent = new SeparatorComponent(5, containerBackgroungColor.darker(), containerBackgroungColor.brighter());
 101
 102     int hgap = titleText.length() > 0 ? 5 : 0;
 103     JPanel result = new JPanel(new BorderLayout(hgap, 10));
 104     result.add(titleLabel, BorderLayout.WEST);
 105     result.add(separatorComponent, BorderLayout.CENTER);
 106
 107     return result;
 108   }
 109 }