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61 | <li><a href="#"><tt class="docutils literal docutils literal"><span class="pre">GeoExt.data.ScaleStore</span></tt></a></li> |
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69 | <li><a class="reference external" href="#"><tt class="docutils literal"><span class="pre">GeoExt.data.ScaleStore</span></tt></a><ul> |
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70 | <li><a class="reference external" href="#config-options">Config Options</a></li> |
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71 | <li><a class="reference external" href="#public-methods">Public Methods</a></li> |
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78 | title="previous chapter"><tt class="docutils literal docutils literal docutils literal"><span class="pre">GeoExt.data.ProtocolProxy</span></tt></a></p> |
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91 | <div class="section" id="geoext-data-scalestore"> |
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92 | <h1><a title="GeoExt.data.ScaleStore" class="reference internal" href="#GeoExt.data.ScaleStore"><tt class="xref docutils literal"><span class="pre">GeoExt.data.ScaleStore</span></tt></a><a class="headerlink" href="#geoext-data-scalestore" title="Permalink to this headline">¶</a></h1> |
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93 | <dl class="meta docutils"> |
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94 | <dt>Extends</dt> |
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95 | <dd><ul class="first last simple"> |
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96 | <li><a class="reference external" href="http://dev.sencha.com/deploy/dev/docs/?class=Ext.data.Store">Ext.data.Store</a></li> |
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97 | </ul> |
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98 | </dd> |
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99 | </dl> |
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100 | <dl class="class"> |
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101 | <dt id="GeoExt.data.ScaleStore"> |
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102 | <em class="property">class </em><tt class="descclassname">GeoExt.data.</tt><tt class="descname">ScaleStore</tt><a class="headerlink" href="#GeoExt.data.ScaleStore" title="Permalink to this definition">¶</a></dt> |
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103 | <dd><p>A store that contains a cache of available zoom levels. The store can |
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104 | optionally be kept synchronized with an <tt class="docutils literal"><span class="pre">OpenLayers.Map</span></tt> or |
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105 | <a title="GeoExt.MapPanel" class="reference external" href="../widgets/MapPanel.html#GeoExt.MapPanel"><tt class="xref docutils literal"><span class="pre">GeoExt.MapPanel</span></tt></a> object.</p> |
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106 | <p>Records have the following fields:</p> |
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107 | <ul class="simple"> |
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108 | <li>level - <tt class="docutils literal"><span class="pre">Number</span></tt> The zoom level.</li> |
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109 | <li>scale - <tt class="docutils literal"><span class="pre">Number</span></tt> The scale denominator.</li> |
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110 | <li>resolution - <tt class="docutils literal"><span class="pre">Number</span></tt> The map units per pixel.</li> |
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111 | </ul> |
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112 | </dd></dl> |
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113 | |
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114 | <div class="section" id="config-options"> |
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115 | <h2>Config Options<a class="headerlink" href="#config-options" title="Permalink to this headline">¶</a></h2> |
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116 | <p>Configuration properties in addition to |
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117 | those listed for <a class="reference external" href="http://dev.sencha.com/deploy/dev/docs/?class=Ext.data.Store">Ext.data.Store</a>.</p> |
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118 | <dl class="describe"> |
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119 | <dt> |
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120 | <tt class="descname">map</tt></dt> |
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121 | <dd><tt class="docutils literal"><span class="pre">OpenLayers.Map</span></tt> or <a title="GeoExt.MapPanel" class="reference external" href="../widgets/MapPanel.html#GeoExt.MapPanel"><tt class="xref docutils literal"><span class="pre">GeoExt.MapPanel</span></tt></a> |
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122 | Optional map or map panel from which to derive scale values.</dd></dl> |
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123 | |
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124 | </div> |
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125 | <div class="section" id="public-methods"> |
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126 | <h2>Public Methods<a class="headerlink" href="#public-methods" title="Permalink to this headline">¶</a></h2> |
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127 | <p>Public methods in addition to those |
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128 | listed for <a class="reference external" href="http://dev.sencha.com/deploy/dev/docs/?class=Ext.data.Store">Ext.data.Store</a>.</p> |
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129 | <dl class="method"> |
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130 | <dt id="GeoExt.data.ScaleStore.bind"> |
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131 | <tt class="descclassname">ScaleStore.</tt><tt class="descname">bind</tt><big>(</big><big>)</big><a class="headerlink" href="#GeoExt.data.ScaleStore.bind" title="Permalink to this definition">¶</a></dt> |
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132 | <dd><table class="docutils field-list" frame="void" rules="none"> |
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133 | <col class="field-name" /> |
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134 | <col class="field-body" /> |
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135 | <tbody valign="top"> |
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136 | <tr class="field"><th class="field-name">Parameter:</th><td class="field-body"><em>map</em> – <a title="GeoExt.MapPanel" class="reference external" href="../widgets/MapPanel.html#GeoExt.MapPanel"><tt class="xref docutils literal"><span class="pre">GeoExt.MapPanel</span></tt></a> or <tt class="docutils literal"><span class="pre">OpenLayers.Map</span></tt> Panel or map |
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137 | to which we should bind.</td> |
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138 | </tr> |
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139 | </tbody> |
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140 | </table> |
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141 | <p>Bind this store to a map; that is, maintain the zoom list in sync with |
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142 | the map’s current configuration. If the map does not currently have a |
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143 | set scale list, then the store will remain empty until the map is |
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144 | configured with one.</p> |
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145 | </dd></dl> |
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146 | |
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147 | <dl class="method"> |
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148 | <dt id="GeoExt.data.ScaleStore.unbind"> |
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149 | <tt class="descclassname">ScaleStore.</tt><tt class="descname">unbind</tt><big>(</big><big>)</big><a class="headerlink" href="#GeoExt.data.ScaleStore.unbind" title="Permalink to this definition">¶</a></dt> |
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150 | <dd>Un-bind this store from the map to which it is currently bound. The |
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151 | currently stored zoom levels will remain, but no further changes from |
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152 | the map will affect it.</dd></dl> |
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