1 /* 2 * Copyright (C) 2010 The Android Open Source Project 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 17 package com.android.sdkuilib.ui; 18 19 import org.eclipse.swt.SWT; 20 import org.eclipse.swt.layout.GridData; 21 import org.eclipse.swt.widgets.Control; 22 23 /** 24 * A little helper to create a new {@link GridData} and set its properties. 25 * <p/> 26 * Example of usage: <br/> 27 * <code> 28 * GridDataHelper.create(myControl).hSpan(2).hAlignCenter().fill(); 29 * </code> 30 */ 31 public final class GridDataBuilder { 32 33 private GridData mGD; 34 GridDataBuilder()35 private GridDataBuilder() { 36 mGD = new GridData(); 37 } 38 39 /** 40 * Creates new {@link GridData} and associates it on the <code>control</code> composite. 41 */ create(Control control)42 static public GridDataBuilder create(Control control) { 43 GridDataBuilder gdh = new GridDataBuilder(); 44 control.setLayoutData(gdh.mGD); 45 return gdh; 46 } 47 48 /** Sets <code>widthHint</code> to <code>w</code>. */ wHint(int w)49 public GridDataBuilder wHint(int w) { 50 mGD.widthHint = w; 51 return this; 52 } 53 54 /** Sets <code>heightHint</code> to <code>h</code>. */ hHint(int h)55 public GridDataBuilder hHint(int h) { 56 mGD.heightHint = h; 57 return this; 58 } 59 60 /** Sets <code>horizontalIndent</code> to <code>h</code>. */ hIndent(int h)61 public GridDataBuilder hIndent(int h) { 62 mGD.horizontalIndent = h; 63 return this; 64 } 65 66 /** Sets <code>horizontalSpan</code> to <code>h</code>. */ hSpan(int h)67 public GridDataBuilder hSpan(int h) { 68 mGD.horizontalSpan = h; 69 return this; 70 } 71 72 /** Sets <code>verticalSpan</code> to <code>v</code>. */ vSpan(int v)73 public GridDataBuilder vSpan(int v) { 74 mGD.verticalSpan = v; 75 return this; 76 } 77 78 /** Sets <code>horizontalAlignment</code> to {@link SWT#CENTER}. */ hCenter()79 public GridDataBuilder hCenter() { 80 mGD.horizontalAlignment = SWT.CENTER; 81 return this; 82 } 83 84 /** Sets <code>verticalAlignment</code> to {@link SWT#CENTER}. */ vCenter()85 public GridDataBuilder vCenter() { 86 mGD.verticalAlignment = SWT.CENTER; 87 return this; 88 } 89 90 /** Sets <code>verticalAlignment</code> to {@link SWT#TOP}. */ vTop()91 public GridDataBuilder vTop() { 92 mGD.verticalAlignment = SWT.TOP; 93 return this; 94 } 95 96 /** Sets <code>horizontalAlignment</code> to {@link GridData#FILL}. */ hFill()97 public GridDataBuilder hFill() { 98 mGD.horizontalAlignment = GridData.FILL; 99 return this; 100 } 101 102 /** Sets <code>verticalAlignment</code> to {@link GridData#FILL}. */ vFill()103 public GridDataBuilder vFill() { 104 mGD.verticalAlignment = GridData.FILL; 105 return this; 106 } 107 108 /** 109 * Sets both <code>horizontalAlignment</code> and <code>verticalAlignment</code> 110 * to {@link GridData#FILL}. 111 */ fill()112 public GridDataBuilder fill() { 113 mGD.horizontalAlignment = GridData.FILL; 114 mGD.verticalAlignment = GridData.FILL; 115 return this; 116 } 117 118 /** Sets <code>grabExcessHorizontalSpace</code> to true. */ hGrab()119 public GridDataBuilder hGrab() { 120 mGD.grabExcessHorizontalSpace = true; 121 return this; 122 } 123 124 /** Sets <code>grabExcessVerticalSpace</code> to true. */ vGrab()125 public GridDataBuilder vGrab() { 126 mGD.grabExcessVerticalSpace = true; 127 return this; 128 } 129 130 /** 131 * Sets both <code>grabExcessHorizontalSpace</code> and 132 * <code>grabExcessVerticalSpace</code> to true. 133 */ grab()134 public GridDataBuilder grab() { 135 mGD.grabExcessHorizontalSpace = true; 136 mGD.grabExcessVerticalSpace = true; 137 return this; 138 } 139 140 } 141