1 | /*! |
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2 | * Ext JS Library 3.0.0 |
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3 | * Copyright(c) 2006-2009 Ext JS, LLC |
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4 | * licensing@extjs.com |
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5 | * http://www.extjs.com/license |
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6 | */ |
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7 | /** |
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8 | * @class Ext.layout.BoxLayout |
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9 | * @extends Ext.layout.ContainerLayout |
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10 | * <p>Base Class for HBoxLayout and VBoxLayout Classes. Generally it should not need to be used directly.</p> |
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11 | */ |
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12 | Ext.layout.BoxLayout = Ext.extend(Ext.layout.ContainerLayout, { |
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13 | /** |
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14 | * @cfg {Object} defaultMargins |
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15 | * <p>If the individual contained items do not have a <tt>margins</tt> |
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16 | * property specified, the default margins from this property will be |
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17 | * applied to each item.</p> |
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18 | * <br><p>This property may be specified as an object containing margins |
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19 | * to apply in the format:</p><pre><code> |
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20 | { |
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21 | top: (top margin), |
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22 | right: (right margin), |
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23 | bottom: (bottom margin), |
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24 | left: (left margin) |
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25 | }</code></pre> |
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26 | * <p>This property may also be specified as a string containing |
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27 | * space-separated, numeric margin values. The order of the sides associated |
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28 | * with each value matches the way CSS processes margin values:</p> |
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29 | * <div class="mdetail-params"><ul> |
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30 | * <li>If there is only one value, it applies to all sides.</li> |
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31 | * <li>If there are two values, the top and bottom borders are set to the |
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32 | * first value and the right and left are set to the second.</li> |
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33 | * <li>If there are three values, the top is set to the first value, the left |
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34 | * and right are set to the second, and the bottom is set to the third.</li> |
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35 | * <li>If there are four values, they apply to the top, right, bottom, and |
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36 | * left, respectively.</li> |
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37 | * </ul></div> |
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38 | * <p>Defaults to:</p><pre><code> |
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39 | * {top:0, right:0, bottom:0, left:0} |
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40 | * </code></pre> |
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41 | */ |
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42 | defaultMargins : {left:0,top:0,right:0,bottom:0}, |
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43 | /** |
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44 | * @cfg {String} padding |
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45 | * Defaults to <tt>'0'</tt>. Sets the padding to be applied to all child items managed by this |
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46 | * container's layout. |
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47 | */ |
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48 | padding : '0', |
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49 | // documented in subclasses |
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50 | pack : 'start', |
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51 | |
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52 | // private |
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53 | monitorResize : true, |
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54 | scrollOffset : 0, |
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55 | extraCls : 'x-box-item', |
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56 | ctCls : 'x-box-layout-ct', |
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57 | innerCls : 'x-box-inner', |
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58 | |
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59 | // private |
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60 | isValidParent : function(c, target){ |
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61 | return c.getEl().dom.parentNode == this.innerCt.dom; |
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62 | }, |
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63 | |
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64 | // private |
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65 | onLayout : function(ct, target){ |
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66 | var cs = ct.items.items, len = cs.length, c, i, last = len-1, cm; |
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67 | |
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68 | if(!this.innerCt){ |
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69 | target.addClass(this.ctCls); |
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70 | |
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71 | // the innerCt prevents wrapping and shuffling while |
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72 | // the container is resizing |
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73 | this.innerCt = target.createChild({cls:this.innerCls}); |
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74 | this.padding = this.parseMargins(this.padding); |
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75 | } |
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76 | this.renderAll(ct, this.innerCt); |
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77 | }, |
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78 | |
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79 | // private |
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80 | renderItem : function(c){ |
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81 | if(typeof c.margins == 'string'){ |
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82 | c.margins = this.parseMargins(c.margins); |
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83 | }else if(!c.margins){ |
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84 | c.margins = this.defaultMargins; |
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85 | } |
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86 | Ext.layout.BoxLayout.superclass.renderItem.apply(this, arguments); |
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87 | }, |
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88 | |
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89 | getTargetSize : function(target){ |
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90 | return (Ext.isIE6 && Ext.isStrict && target.dom == document.body) ? target.getStyleSize() : target.getViewSize(); |
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91 | }, |
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92 | |
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93 | getItems: function(ct){ |
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94 | var items = []; |
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95 | ct.items.each(function(c){ |
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96 | if(c.isVisible()){ |
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97 | items.push(c); |
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98 | } |
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99 | }); |
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100 | return items; |
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101 | } |
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102 | |
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103 | /** |
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104 | * @property activeItem |
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105 | * @hide |
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106 | */ |
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107 | }); |
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108 | |
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109 | /** |
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110 | * @class Ext.layout.VBoxLayout |
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111 | * @extends Ext.layout.BoxLayout |
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112 | * A layout that arranges items vertically |
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113 | */ |
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114 | Ext.layout.VBoxLayout = Ext.extend(Ext.layout.BoxLayout, { |
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115 | /** |
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116 | * @cfg {String} align |
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117 | * Controls how the child items of the container are aligned. Acceptable configuration values for this |
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118 | * property are: |
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119 | * <div class="mdetail-params"><ul> |
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120 | * <li><b><tt>left</tt></b> : <b>Default</b><div class="sub-desc">child items are aligned horizontally |
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121 | * at the <b>left</b> side of the container</div></li> |
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122 | * <li><b><tt>center</tt></b> : <div class="sub-desc">child items are aligned horizontally at the |
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123 | * <b>mid-width</b> of the container</div></li> |
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124 | * <li><b><tt>stretch</tt></b> : <div class="sub-desc">child items are stretched horizontally to fill |
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125 | * the width of the container</div></li> |
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126 | * <li><b><tt>stretchmax</tt></b> : <div class="sub-desc">child items are stretched horizontally to |
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127 | * the size of the largest item.</div></li> |
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128 | * </ul></div> |
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129 | */ |
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130 | align : 'left', // left, center, stretch, strechmax |
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131 | /** |
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132 | * @cfg {String} pack |
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133 | * Controls how the child items of the container are packed together. Acceptable configuration values |
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134 | * for this property are: |
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135 | * <div class="mdetail-params"><ul> |
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136 | * <li><b><tt>start</tt></b> : <b>Default</b><div class="sub-desc">child items are packed together at |
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137 | * <b>top</b> side of container</div></li> |
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138 | * <li><b><tt>center</tt></b> : <div class="sub-desc">child items are packed together at |
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139 | * <b>mid-height</b> of container</div></li> |
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140 | * <li><b><tt>end</tt></b> : <div class="sub-desc">child items are packed together at <b>bottom</b> |
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141 | * side of container</div></li> |
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142 | * </ul></div> |
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143 | */ |
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144 | /** |
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145 | * @cfg {Number} flex |
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146 | * This configuation option is to be applied to <b>child <tt>items</tt></b> of the container managed |
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147 | * by this layout. Each child item with a <tt>flex</tt> property will be flexed <b>vertically</b> |
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148 | * according to each item's <b>relative</b> <tt>flex</tt> value compared to the sum of all items with |
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149 | * a <tt>flex</tt> value specified. Any child items that have either a <tt>flex = 0</tt> or |
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150 | * <tt>flex = undefined</tt> will not be 'flexed' (the initial size will not be changed). |
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151 | */ |
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152 | |
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153 | // private |
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154 | onLayout : function(ct, target){ |
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155 | Ext.layout.VBoxLayout.superclass.onLayout.call(this, ct, target); |
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156 | |
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157 | |
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158 | var cs = this.getItems(ct), cm, ch, margin, |
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159 | size = this.getTargetSize(target), |
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160 | w = size.width - target.getPadding('lr') - this.scrollOffset, |
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161 | h = size.height - target.getPadding('tb'), |
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162 | l = this.padding.left, t = this.padding.top, |
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163 | isStart = this.pack == 'start', |
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164 | isRestore = ['stretch', 'stretchmax'].indexOf(this.align) == -1, |
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165 | stretchWidth = w - (this.padding.left + this.padding.right), |
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166 | extraHeight = 0, |
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167 | maxWidth = 0, |
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168 | totalFlex = 0, |
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169 | flexHeight = 0, |
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170 | usedHeight = 0; |
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171 | |
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172 | Ext.each(cs, function(c){ |
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173 | cm = c.margins; |
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174 | totalFlex += c.flex || 0; |
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175 | ch = c.getHeight(); |
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176 | margin = cm.top + cm.bottom; |
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177 | extraHeight += ch + margin; |
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178 | flexHeight += margin + (c.flex ? 0 : ch); |
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179 | maxWidth = Math.max(maxWidth, c.getWidth() + cm.left + cm.right); |
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180 | }); |
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181 | extraHeight = h - extraHeight - this.padding.top - this.padding.bottom; |
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182 | |
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183 | var innerCtWidth = maxWidth + this.padding.left + this.padding.right; |
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184 | switch(this.align){ |
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185 | case 'stretch': |
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186 | this.innerCt.setSize(w, h); |
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187 | break; |
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188 | case 'stretchmax': |
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189 | case 'left': |
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190 | this.innerCt.setSize(innerCtWidth, h); |
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191 | break; |
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192 | case 'center': |
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193 | this.innerCt.setSize(w = Math.max(w, innerCtWidth), h); |
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194 | break; |
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195 | } |
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196 | |
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197 | var availHeight = Math.max(0, h - this.padding.top - this.padding.bottom - flexHeight), |
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198 | leftOver = availHeight, |
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199 | heights = [], |
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200 | restore = [], |
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201 | idx = 0, |
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202 | availableWidth = Math.max(0, w - this.padding.left - this.padding.right); |
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203 | |
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204 | |
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205 | Ext.each(cs, function(c){ |
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206 | if(isStart && c.flex){ |
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207 | ch = Math.floor(availHeight * (c.flex / totalFlex)); |
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208 | leftOver -= ch; |
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209 | heights.push(ch); |
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210 | } |
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211 | }); |
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212 | |
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213 | if(this.pack == 'center'){ |
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214 | t += extraHeight ? extraHeight / 2 : 0; |
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215 | }else if(this.pack == 'end'){ |
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216 | t += extraHeight; |
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217 | } |
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218 | Ext.each(cs, function(c){ |
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219 | cm = c.margins; |
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220 | t += cm.top; |
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221 | c.setPosition(l + cm.left, t); |
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222 | if(isStart && c.flex){ |
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223 | ch = Math.max(0, heights[idx++] + (leftOver-- > 0 ? 1 : 0)); |
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224 | if(isRestore){ |
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225 | restore.push(c.getWidth()); |
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226 | } |
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227 | c.setSize(availableWidth, ch); |
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228 | }else{ |
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229 | ch = c.getHeight(); |
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230 | } |
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231 | t += ch + cm.bottom; |
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232 | }); |
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233 | |
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234 | idx = 0; |
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235 | Ext.each(cs, function(c){ |
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236 | cm = c.margins; |
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237 | if(this.align == 'stretch'){ |
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238 | c.setWidth((stretchWidth - (cm.left + cm.right)).constrain( |
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239 | c.minWidth || 0, c.maxWidth || 1000000)); |
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240 | }else if(this.align == 'stretchmax'){ |
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241 | c.setWidth((maxWidth - (cm.left + cm.right)).constrain( |
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242 | c.minWidth || 0, c.maxWidth || 1000000)); |
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243 | }else{ |
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244 | if(this.align == 'center'){ |
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245 | var diff = availableWidth - (c.getWidth() + cm.left + cm.right); |
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246 | if(diff > 0){ |
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247 | c.setPosition(l + cm.left + (diff/2), c.y); |
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248 | } |
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249 | } |
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250 | if(isStart && c.flex){ |
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251 | c.setWidth(restore[idx++]); |
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252 | } |
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253 | } |
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254 | }, this); |
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255 | } |
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256 | /** |
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257 | * @property activeItem |
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258 | * @hide |
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259 | */ |
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260 | }); |
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261 | |
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262 | Ext.Container.LAYOUTS.vbox = Ext.layout.VBoxLayout; |
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263 | |
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264 | /** |
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265 | * @class Ext.layout.HBoxLayout |
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266 | * @extends Ext.layout.BoxLayout |
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267 | * A layout that arranges items horizontally |
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268 | */ |
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269 | Ext.layout.HBoxLayout = Ext.extend(Ext.layout.BoxLayout, { |
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270 | /** |
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271 | * @cfg {String} align |
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272 | * Controls how the child items of the container are aligned. Acceptable configuration values for this |
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273 | * property are: |
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274 | * <div class="mdetail-params"><ul> |
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275 | * <li><b><tt>top</tt></b> : <b>Default</b><div class="sub-desc">child items are aligned vertically |
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276 | * at the <b>left</b> side of the container</div></li> |
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277 | * <li><b><tt>middle</tt></b> : <div class="sub-desc">child items are aligned vertically at the |
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278 | * <b>mid-height</b> of the container</div></li> |
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279 | * <li><b><tt>stretch</tt></b> : <div class="sub-desc">child items are stretched vertically to fill |
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280 | * the height of the container</div></li> |
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281 | * <li><b><tt>stretchmax</tt></b> : <div class="sub-desc">child items are stretched vertically to |
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282 | * the size of the largest item.</div></li> |
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283 | */ |
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284 | align : 'top', // top, middle, stretch, strechmax |
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285 | /** |
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286 | * @cfg {String} pack |
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287 | * Controls how the child items of the container are packed together. Acceptable configuration values |
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288 | * for this property are: |
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289 | * <div class="mdetail-params"><ul> |
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290 | * <li><b><tt>start</tt></b> : <b>Default</b><div class="sub-desc">child items are packed together at |
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291 | * <b>left</b> side of container</div></li> |
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292 | * <li><b><tt>center</tt></b> : <div class="sub-desc">child items are packed together at |
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293 | * <b>mid-width</b> of container</div></li> |
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294 | * <li><b><tt>end</tt></b> : <div class="sub-desc">child items are packed together at <b>right</b> |
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295 | * side of container</div></li> |
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296 | * </ul></div> |
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297 | */ |
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298 | /** |
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299 | * @cfg {Number} flex |
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300 | * This configuation option is to be applied to <b>child <tt>items</tt></b> of the container managed |
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301 | * by this layout. Each child item with a <tt>flex</tt> property will be flexed <b>horizontally</b> |
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302 | * according to each item's <b>relative</b> <tt>flex</tt> value compared to the sum of all items with |
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303 | * a <tt>flex</tt> value specified. Any child items that have either a <tt>flex = 0</tt> or |
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304 | * <tt>flex = undefined</tt> will not be 'flexed' (the initial size will not be changed). |
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305 | */ |
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306 | |
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307 | // private |
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308 | onLayout : function(ct, target){ |
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309 | Ext.layout.HBoxLayout.superclass.onLayout.call(this, ct, target); |
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310 | |
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311 | var cs = this.getItems(ct), cm, cw, margin, |
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312 | size = this.getTargetSize(target), |
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313 | w = size.width - target.getPadding('lr') - this.scrollOffset, |
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314 | h = size.height - target.getPadding('tb'), |
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315 | l = this.padding.left, t = this.padding.top, |
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316 | isStart = this.pack == 'start', |
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317 | isRestore = ['stretch', 'stretchmax'].indexOf(this.align) == -1, |
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318 | stretchHeight = h - (this.padding.top + this.padding.bottom), |
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319 | extraWidth = 0, |
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320 | maxHeight = 0, |
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321 | totalFlex = 0, |
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322 | flexWidth = 0, |
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323 | usedWidth = 0; |
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324 | |
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325 | Ext.each(cs, function(c){ |
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326 | cm = c.margins; |
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327 | totalFlex += c.flex || 0; |
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328 | cw = c.getWidth(); |
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329 | margin = cm.left + cm.right; |
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330 | extraWidth += cw + margin; |
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331 | flexWidth += margin + (c.flex ? 0 : cw); |
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332 | maxHeight = Math.max(maxHeight, c.getHeight() + cm.top + cm.bottom); |
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333 | }); |
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334 | extraWidth = w - extraWidth - this.padding.left - this.padding.right; |
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335 | |
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336 | var innerCtHeight = maxHeight + this.padding.top + this.padding.bottom; |
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337 | switch(this.align){ |
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338 | case 'stretch': |
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339 | this.innerCt.setSize(w, h); |
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340 | break; |
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341 | case 'stretchmax': |
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342 | case 'top': |
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343 | this.innerCt.setSize(w, innerCtHeight); |
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344 | break; |
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345 | case 'middle': |
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346 | this.innerCt.setSize(w, h = Math.max(h, innerCtHeight)); |
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347 | break; |
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348 | } |
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349 | |
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350 | |
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351 | var availWidth = Math.max(0, w - this.padding.left - this.padding.right - flexWidth), |
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352 | leftOver = availWidth, |
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353 | widths = [], |
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354 | restore = [], |
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355 | idx = 0, |
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356 | availableHeight = Math.max(0, h - this.padding.top - this.padding.bottom); |
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357 | |
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358 | |
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359 | Ext.each(cs, function(c){ |
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360 | if(isStart && c.flex){ |
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361 | cw = Math.floor(availWidth * (c.flex / totalFlex)); |
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362 | leftOver -= cw; |
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363 | widths.push(cw); |
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364 | } |
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365 | }); |
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366 | |
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367 | if(this.pack == 'center'){ |
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368 | l += extraWidth ? extraWidth / 2 : 0; |
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369 | }else if(this.pack == 'end'){ |
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370 | l += extraWidth; |
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371 | } |
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372 | Ext.each(cs, function(c){ |
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373 | cm = c.margins; |
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374 | l += cm.left; |
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375 | c.setPosition(l, t + cm.top); |
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376 | if(isStart && c.flex){ |
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377 | cw = Math.max(0, widths[idx++] + (leftOver-- > 0 ? 1 : 0)); |
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378 | if(isRestore){ |
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379 | restore.push(c.getHeight()); |
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380 | } |
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381 | c.setSize(cw, availableHeight); |
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382 | }else{ |
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383 | cw = c.getWidth(); |
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384 | } |
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385 | l += cw + cm.right; |
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386 | }); |
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387 | |
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388 | idx = 0; |
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389 | Ext.each(cs, function(c){ |
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390 | var cm = c.margins; |
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391 | if(this.align == 'stretch'){ |
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392 | c.setHeight((stretchHeight - (cm.top + cm.bottom)).constrain( |
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393 | c.minHeight || 0, c.maxHeight || 1000000)); |
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394 | }else if(this.align == 'stretchmax'){ |
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395 | c.setHeight((maxHeight - (cm.top + cm.bottom)).constrain( |
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396 | c.minHeight || 0, c.maxHeight || 1000000)); |
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397 | }else{ |
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398 | if(this.align == 'middle'){ |
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399 | var diff = availableHeight - (c.getHeight() + cm.top + cm.bottom); |
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400 | if(diff > 0){ |
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401 | c.setPosition(c.x, t + cm.top + (diff/2)); |
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402 | } |
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403 | } |
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404 | if(isStart && c.flex){ |
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405 | c.setHeight(restore[idx++]); |
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406 | } |
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407 | } |
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408 | }, this); |
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409 | } |
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410 | |
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411 | /** |
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412 | * @property activeItem |
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413 | * @hide |
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414 | */ |
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415 | }); |
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416 | |
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417 | Ext.Container.LAYOUTS.hbox = Ext.layout.HBoxLayout; |
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