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annotate war/scripts/OpenLayers/lib/Rico/Corner.js @ 84:00f7860d9ee5 trimmed_data

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Klimscha overlays
author Sebastian Kruse <skruse@mpiwg-berlin.mpg.de>
date Fri, 01 Feb 2013 17:21:47 +0100
parents cf06b77a8bbd
children
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3
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1 /*
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2 * This file has been edited substantially from the Rico-released
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3 * version by the OpenLayers development team.
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4 *
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5 * Copyright 2005 Sabre Airline Solutions
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6 *
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7 * Licensed under the Apache License, Version 2.0 (the "License");
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8 * you may not use this file except in compliance with the
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9 * License. You may obtain a copy of the License at
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10 *
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11 * http://www.apache.org/licenses/LICENSE-2.0
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12 *
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13 * Unless required by applicable law or agreed to in writing, software
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14 * distributed under the * License is distributed on an "AS IS" BASIS,
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15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, * either express or
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16 * implied. See the License for the specific language governing
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17 * permissions * and limitations under the License.
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18 *
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19 */
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20 OpenLayers.Rico = new Object();
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21 OpenLayers.Rico.Corner = {
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22
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23 round: function(e, options) {
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24 e = OpenLayers.Util.getElement(e);
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25 this._setOptions(options);
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26
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27 var color = this.options.color;
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28 if ( this.options.color == "fromElement" ) {
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29 color = this._background(e);
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30 }
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31 var bgColor = this.options.bgColor;
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32 if ( this.options.bgColor == "fromParent" ) {
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33 bgColor = this._background(e.offsetParent);
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34 }
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35 this._roundCornersImpl(e, color, bgColor);
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36 },
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37
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38 /** This is a helper function to change the background
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39 * color of <div> that has had Rico rounded corners added.
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40 *
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41 * It seems we cannot just set the background color for the
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42 * outer <div> so each <span> element used to create the
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43 * corners must have its background color set individually.
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44 *
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45 * @param {DOM} theDiv - A child of the outer <div> that was
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46 * supplied to the `round` method.
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47 *
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48 * @param {String} newColor - The new background color to use.
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49 */
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50 changeColor: function(theDiv, newColor) {
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51
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52 theDiv.style.backgroundColor = newColor;
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53
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54 var spanElements = theDiv.parentNode.getElementsByTagName("span");
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55
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56 for (var currIdx = 0; currIdx < spanElements.length; currIdx++) {
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57 spanElements[currIdx].style.backgroundColor = newColor;
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58 }
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59 },
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60
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61
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62 /** This is a helper function to change the background
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63 * opacity of <div> that has had Rico rounded corners added.
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64 *
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65 * See changeColor (above) for algorithm explanation
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66 *
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67 * @param {DOM} theDiv A child of the outer <div> that was
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68 * supplied to the `round` method.
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69 *
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70 * @param {int} newOpacity The new opacity to use (0-1).
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71 */
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72 changeOpacity: function(theDiv, newOpacity) {
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73
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74 var mozillaOpacity = newOpacity;
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75 var ieOpacity = 'alpha(opacity=' + newOpacity * 100 + ')';
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76
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77 theDiv.style.opacity = mozillaOpacity;
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78 theDiv.style.filter = ieOpacity;
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79
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80 var spanElements = theDiv.parentNode.getElementsByTagName("span");
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81
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82 for (var currIdx = 0; currIdx < spanElements.length; currIdx++) {
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83 spanElements[currIdx].style.opacity = mozillaOpacity;
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84 spanElements[currIdx].style.filter = ieOpacity;
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85 }
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86
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87 },
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88
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89 /** this function takes care of redoing the rico cornering
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90 *
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91 * you can't just call updateRicoCorners() again and pass it a
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92 * new options string. you have to first remove the divs that
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93 * rico puts on top and below the content div.
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94 *
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95 * @param {DOM} theDiv - A child of the outer <div> that was
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96 * supplied to the `round` method.
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97 *
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98 * @param {Object} options - list of options
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99 */
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100 reRound: function(theDiv, options) {
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101
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102 var topRico = theDiv.parentNode.childNodes[0];
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103 //theDiv would be theDiv.parentNode.childNodes[1]
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104 var bottomRico = theDiv.parentNode.childNodes[2];
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105
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106 theDiv.parentNode.removeChild(topRico);
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107 theDiv.parentNode.removeChild(bottomRico);
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108
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109 this.round(theDiv.parentNode, options);
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110 },
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111
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112 _roundCornersImpl: function(e, color, bgColor) {
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113 if(this.options.border) {
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114 this._renderBorder(e,bgColor);
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115 }
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116 if(this._isTopRounded()) {
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117 this._roundTopCorners(e,color,bgColor);
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118 }
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119 if(this._isBottomRounded()) {
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120 this._roundBottomCorners(e,color,bgColor);
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121 }
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122 },
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123
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124 _renderBorder: function(el,bgColor) {
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125 var borderValue = "1px solid " + this._borderColor(bgColor);
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126 var borderL = "border-left: " + borderValue;
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127 var borderR = "border-right: " + borderValue;
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128 var style = "style='" + borderL + ";" + borderR + "'";
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129 el.innerHTML = "<div " + style + ">" + el.innerHTML + "</div>";
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130 },
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131
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132 _roundTopCorners: function(el, color, bgColor) {
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133 var corner = this._createCorner(bgColor);
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134 for(var i=0 ; i < this.options.numSlices ; i++ ) {
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135 corner.appendChild(this._createCornerSlice(color,bgColor,i,"top"));
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136 }
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137 el.style.paddingTop = 0;
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138 el.insertBefore(corner,el.firstChild);
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139 },
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140
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141 _roundBottomCorners: function(el, color, bgColor) {
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142 var corner = this._createCorner(bgColor);
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143 for(var i=(this.options.numSlices-1) ; i >= 0 ; i-- ) {
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144 corner.appendChild(this._createCornerSlice(color,bgColor,i,"bottom"));
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145 }
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146 el.style.paddingBottom = 0;
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147 el.appendChild(corner);
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148 },
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149
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150 _createCorner: function(bgColor) {
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151 var corner = document.createElement("div");
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152 corner.style.backgroundColor = (this._isTransparent() ? "transparent" : bgColor);
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153 return corner;
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154 },
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155
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156 _createCornerSlice: function(color,bgColor, n, position) {
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157 var slice = document.createElement("span");
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158
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159 var inStyle = slice.style;
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160 inStyle.backgroundColor = color;
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161 inStyle.display = "block";
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162 inStyle.height = "1px";
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163 inStyle.overflow = "hidden";
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164 inStyle.fontSize = "1px";
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165
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166 var borderColor = this._borderColor(color,bgColor);
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167 if ( this.options.border && n == 0 ) {
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168 inStyle.borderTopStyle = "solid";
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169 inStyle.borderTopWidth = "1px";
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170 inStyle.borderLeftWidth = "0px";
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171 inStyle.borderRightWidth = "0px";
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172 inStyle.borderBottomWidth = "0px";
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173 inStyle.height = "0px"; // assumes css compliant box model
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174 inStyle.borderColor = borderColor;
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175 }
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176 else if(borderColor) {
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177 inStyle.borderColor = borderColor;
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178 inStyle.borderStyle = "solid";
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179 inStyle.borderWidth = "0px 1px";
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180 }
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181
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182 if ( !this.options.compact && (n == (this.options.numSlices-1)) ) {
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183 inStyle.height = "2px";
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184 }
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185 this._setMargin(slice, n, position);
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186 this._setBorder(slice, n, position);
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187 return slice;
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188 },
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189
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190 _setOptions: function(options) {
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191 this.options = {
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192 corners : "all",
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193 color : "fromElement",
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194 bgColor : "fromParent",
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195 blend : true,
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196 border : false,
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197 compact : false
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198 };
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199 OpenLayers.Util.extend(this.options, options || {});
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200
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201 this.options.numSlices = this.options.compact ? 2 : 4;
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202 if ( this._isTransparent() ) {
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203 this.options.blend = false;
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204 }
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205 },
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206
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207 _whichSideTop: function() {
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208 if ( this._hasString(this.options.corners, "all", "top") ) {
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209 return "";
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210 }
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211 if ( this.options.corners.indexOf("tl") >= 0 && this.options.corners.indexOf("tr") >= 0 ) {
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212 return "";
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213 }
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214 if (this.options.corners.indexOf("tl") >= 0) {
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215 return "left";
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216 } else if (this.options.corners.indexOf("tr") >= 0) {
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217 return "right";
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218 }
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219 return "";
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220 },
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221
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222 _whichSideBottom: function() {
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223 if ( this._hasString(this.options.corners, "all", "bottom") ) {
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224 return "";
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225 }
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226 if ( this.options.corners.indexOf("bl")>=0 && this.options.corners.indexOf("br")>=0 ) {
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227 return "";
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228 }
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229
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230 if(this.options.corners.indexOf("bl") >=0) {
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231 return "left";
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232 } else if(this.options.corners.indexOf("br")>=0) {
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233 return "right";
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234 }
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235 return "";
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236 },
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237
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238 _borderColor : function(color,bgColor) {
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239 if ( color == "transparent" ) {
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240 return bgColor;
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241 } else if ( this.options.border ) {
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242 return this.options.border;
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243 } else if ( this.options.blend ) {
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244 return this._blend( bgColor, color );
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245 } else {
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246 return "";
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247 }
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248 },
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249
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250
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251 _setMargin: function(el, n, corners) {
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252 var marginSize = this._marginSize(n);
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253 var whichSide = corners == "top" ? this._whichSideTop() : this._whichSideBottom();
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254
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255 if ( whichSide == "left" ) {
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256 el.style.marginLeft = marginSize + "px"; el.style.marginRight = "0px";
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257 }
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258 else if ( whichSide == "right" ) {
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259 el.style.marginRight = marginSize + "px"; el.style.marginLeft = "0px";
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260 }
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261 else {
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262 el.style.marginLeft = marginSize + "px"; el.style.marginRight = marginSize + "px";
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263 }
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264 },
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265
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266 _setBorder: function(el,n,corners) {
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267 var borderSize = this._borderSize(n);
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268 var whichSide = corners == "top" ? this._whichSideTop() : this._whichSideBottom();
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269 if ( whichSide == "left" ) {
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270 el.style.borderLeftWidth = borderSize + "px"; el.style.borderRightWidth = "0px";
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271 }
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272 else if ( whichSide == "right" ) {
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273 el.style.borderRightWidth = borderSize + "px"; el.style.borderLeftWidth = "0px";
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274 }
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275 else {
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276 el.style.borderLeftWidth = borderSize + "px"; el.style.borderRightWidth = borderSize + "px";
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277 }
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278 if (this.options.border != false) {
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279 el.style.borderLeftWidth = borderSize + "px"; el.style.borderRightWidth = borderSize + "px";
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280 }
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281 },
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282
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283 _marginSize: function(n) {
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284 if ( this._isTransparent() ) {
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285 return 0;
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286 }
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287 var marginSizes = [ 5, 3, 2, 1 ];
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288 var blendedMarginSizes = [ 3, 2, 1, 0 ];
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289 var compactMarginSizes = [ 2, 1 ];
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290 var smBlendedMarginSizes = [ 1, 0 ];
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291
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292 if ( this.options.compact && this.options.blend ) {
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293 return smBlendedMarginSizes[n];
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294 } else if ( this.options.compact ) {
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295 return compactMarginSizes[n];
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296 } else if ( this.options.blend ) {
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297 return blendedMarginSizes[n];
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298 } else {
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299 return marginSizes[n];
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300 }
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301 },
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302
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303 _borderSize: function(n) {
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304 var transparentBorderSizes = [ 5, 3, 2, 1 ];
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305 var blendedBorderSizes = [ 2, 1, 1, 1 ];
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306 var compactBorderSizes = [ 1, 0 ];
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307 var actualBorderSizes = [ 0, 2, 0, 0 ];
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308
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309 if ( this.options.compact && (this.options.blend || this._isTransparent()) ) {
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310 return 1;
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311 } else if ( this.options.compact ) {
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312 return compactBorderSizes[n];
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313 } else if ( this.options.blend ) {
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314 return blendedBorderSizes[n];
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315 } else if ( this.options.border ) {
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316 return actualBorderSizes[n];
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317 } else if ( this._isTransparent() ) {
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318 return transparentBorderSizes[n];
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319 }
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320 return 0;
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321 },
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322
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323 _hasString: function(str) { for(var i=1 ; i<arguments.length ; i++) if (str.indexOf(arguments[i]) >= 0) { return true; } return false; },
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324 _blend: function(c1, c2) { var cc1 = OpenLayers.Rico.Color.createFromHex(c1); cc1.blend(OpenLayers.Rico.Color.createFromHex(c2)); return cc1; },
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325 _background: function(el) { try { return OpenLayers.Rico.Color.createColorFromBackground(el).asHex(); } catch(err) { return "#ffffff"; } },
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326 _isTransparent: function() { return this.options.color == "transparent"; },
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327 _isTopRounded: function() { return this._hasString(this.options.corners, "all", "top", "tl", "tr"); },
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328 _isBottomRounded: function() { return this._hasString(this.options.corners, "all", "bottom", "bl", "br"); },
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329 _hasSingleTextChild: function(el) { return el.childNodes.length == 1 && el.childNodes[0].nodeType == 3; }
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330 };