platform/platform-impl/src/com/intellij/openapi/wm/impl/StripeButtonUI.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.openapi.wm.impl;
  17
  18 import com.intellij.openapi.wm.ToolWindowAnchor;
  19
  20 import javax.swing.*;
  21 import javax.swing.plaf.ComponentUI;
  22 import javax.swing.plaf.basic.BasicGraphicsUtils;
  23 import javax.swing.plaf.metal.MetalToggleButtonUI;
  24 import java.awt.*;
  25 import java.awt.geom.AffineTransform;
  26
  27 /**
  28  * @author Vladimir Kondratyev
  29  */
  30 final class StripeButtonUI extends MetalToggleButtonUI{
  31   private static final StripeButtonUI ourInstance=new StripeButtonUI();
  32
  33   private static final Rectangle ourIconRect=new Rectangle();
  34   private static final Rectangle ourTextRect=new Rectangle();
  35   private static final Rectangle ourViewRect=new Rectangle();
  36   private static Insets ourViewInsets=new Insets(0,0,0,0);
  37
  38   private StripeButtonUI(){}
  39
  40   /** Invoked by reflection */
  41   public static ComponentUI createUI(final JComponent c){
  42     return ourInstance;
  43   }
  44
  45   public Dimension getPreferredSize(final JComponent c){
  46     final StripeButton button=(StripeButton)c;
  47     final Dimension dim=super.getPreferredSize(button);
  48
  49     dim.width=(int)(4+dim.width*1.1f);
  50     dim.height+=4;
  51
  52     final ToolWindowAnchor anchor=button.getWindowInfo().getAnchor();
  53     if(ToolWindowAnchor.LEFT==anchor||ToolWindowAnchor.RIGHT==anchor){
  54       return new Dimension(dim.height,dim.width);
  55     } else{
  56       return dim;
  57     }
  58   }
  59
  60   public void paint(final Graphics g,final JComponent c){
  61     final StripeButton button=(StripeButton)c;
  62
  63     final String text=button.getText();
  64     final Icon icon=(button.isEnabled()) ? button.getIcon() : button.getDisabledIcon();
  65
  66     if((icon==null)&&(text==null)){
  67       return;
  68     }
  69
  70     final FontMetrics fm=button.getFontMetrics(button.getFont());
  71     ourViewInsets=c.getInsets(ourViewInsets);
  72
  73     ourViewRect.x=ourViewInsets.left;
  74     ourViewRect.y=ourViewInsets.top;
  75
  76     final ToolWindowAnchor anchor=button.getWindowInfo().getAnchor();
  77
  78     // Use inverted height & width
  79     if(ToolWindowAnchor.RIGHT==anchor||ToolWindowAnchor.LEFT==anchor){
  80       ourViewRect.height=c.getWidth()-(ourViewInsets.left+ourViewInsets.right);
  81       ourViewRect.width=c.getHeight()-(ourViewInsets.top+ourViewInsets.bottom);
  82     } else{
  83       ourViewRect.height=c.getHeight()-(ourViewInsets.left+ourViewInsets.right);
  84       ourViewRect.width=c.getWidth()-(ourViewInsets.top+ourViewInsets.bottom);
  85     }
  86
  87     ourIconRect.x=ourIconRect.y=ourIconRect.width=ourIconRect.height=0;
  88     ourTextRect.x=ourTextRect.y=ourTextRect.width=ourTextRect.height=0;
  89
  90     final String clippedText=SwingUtilities.layoutCompoundLabel(
  91       c,fm,text,icon,
  92       button.getVerticalAlignment(),button.getHorizontalAlignment(),
  93       button.getVerticalTextPosition(),button.getHorizontalTextPosition(),
  94       ourViewRect,ourIconRect,ourTextRect,
  95       button.getText()==null ? 0 : button.getIconTextGap()
  96     );
  97
  98     // Paint button's background
  99
 100     final Graphics2D g2=(Graphics2D)g;
 101     g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON);
 102     g2.setRenderingHint(RenderingHints.KEY_RENDERING,RenderingHints.VALUE_RENDER_QUALITY);
 103
 104     final ButtonModel model=button.getModel();
 105
 106     final Color background = button.getBackground();
 107
 108     boolean toFill = true; // button.isSelected() || !button.getWindowInfo().isSplit(); // do not draw split button bg
 109     boolean toBorder = true; // button.isSelected() || !button.getWindowInfo().isSplit();
 110
 111     if (model.isArmed() && model.isPressed() || model.isSelected()) {
 112       final Graphics2D g2d = (Graphics2D) g;
 113       final GradientPaint paint;
 114       if (ToolWindowAnchor.TOP == anchor || ToolWindowAnchor.BOTTOM == anchor) {
 115         paint = new GradientPaint(0, 0, background.darker(), 0, button.getHeight(), background.brighter());
 116       }
 117       else {
 118         paint = new GradientPaint(0, 0, background.darker(), button.getWidth(), 0, background.brighter());
 119       }
 120       g2d.setPaint(paint);
 121
 122       if (toFill) {
 123         g2d.fillRoundRect(3, 3, button.getWidth() - 6, button.getHeight() - 6, 5, 5);
 124       }
 125
 126       if (toBorder) {
 127         g.setColor(Color.black);
 128         g.drawRoundRect(3, 3, button.getWidth() - 6, button.getHeight() - 6, 5, 5);
 129       }
 130     }
 131     else {
 132       if (toFill) {
 133         g.setColor(background);
 134         g.fillRoundRect(3, 3, button.getWidth() - 6, button.getHeight() - 6, 5, 5);
 135       }
 136
 137       if (toBorder) {
 138         g.setColor(Color.GRAY);
 139         g.drawRoundRect(3, 3, button.getWidth() - 6, button.getHeight() - 6, 5, 5);
 140       }
 141     }
 142
 143     if (model.isRollover()) {
 144       if (!model.isArmed() && !model.isPressed() && !model.isSelected()) {
 145         final Graphics2D g2d = (Graphics2D) g;
 146         final GradientPaint paint;
 147         if (ToolWindowAnchor.TOP == anchor || ToolWindowAnchor.BOTTOM == anchor) {
 148           paint = new GradientPaint(0, 0, background, 0, button.getHeight(), Color.white);
 149         }
 150         else {
 151           paint = new GradientPaint(0, 0, background, button.getWidth(), 0, Color.white);
 152         }
 153         g2d.setPaint(paint);
 154         g2d.fillRoundRect(3, 3, button.getWidth() - 6, button.getHeight() - 6, 5, 5);
 155       }
 156
 157       if (toBorder) {
 158         g.setColor(Color.darkGray);
 159         g.drawRoundRect(3, 3, button.getWidth() - 6, button.getHeight() - 6, 5, 5);
 160       }
 161     }
 162
 163     AffineTransform tr=null;
 164     if(ToolWindowAnchor.RIGHT==anchor||ToolWindowAnchor.LEFT==anchor){
 165       tr=g2.getTransform();
 166       if(ToolWindowAnchor.RIGHT==anchor){
 167         if(icon != null){ // do not rotate icon
 168           icon.paintIcon(c, g2, ourIconRect.y, ourIconRect.x);
 169         }
 170         g2.rotate(Math.PI/2);
 171         g2.translate(0,-c.getWidth());
 172       } else {
 173         if(icon != null){ // do not rotate icon
 174           icon.paintIcon(c, g2, ourIconRect.y, c.getHeight() - ourIconRect.x - icon.getIconHeight());
 175         }
 176         g2.rotate(-Math.PI/2);
 177         g2.translate(-c.getHeight(),0);
 178       }
 179     }
 180     else{
 181       if(icon!=null){
 182         icon.paintIcon(c,g2,ourIconRect.x,ourIconRect.y);
 183       }
 184     }
 185
 186     // paint text
 187
 188     if(text!=null){
 189       if(model.isEnabled()){
 190         if(model.isArmed()&&model.isPressed()||model.isSelected()){
 191           g.setColor(background);
 192         } else{
 193           g.setColor(button.getForeground());
 194         }
 195       } else{
 196         g.setColor(background.darker());
 197       }
 198       /* Draw the Text */
 199       if(model.isEnabled()){
 200         /*** paint the text normally */
 201         g.setColor(button.getForeground());
 202         BasicGraphicsUtils.drawString(g,clippedText,button.getMnemonic2(),ourTextRect.x,ourTextRect.y+fm.getAscent());
 203       } else{
 204         /*** paint the text disabled ***/
 205         if(model.isSelected()){
 206           g.setColor(c.getBackground());
 207         } else{
 208           g.setColor(getDisabledTextColor());
 209         }
 210         BasicGraphicsUtils.drawString(g,clippedText,button.getMnemonic2(),ourTextRect.x,ourTextRect.y+fm.getAscent());
 211       }
 212     }
 213     if(ToolWindowAnchor.RIGHT==anchor||ToolWindowAnchor.LEFT==anchor){
 214       g2.setTransform(tr);
 215     }
 216   }
 217 }