root / trunk / web / dojo / dojox / widget / Pager.js
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1 | 9 | andrej.cim | /*
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2 | Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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3 | Available via Academic Free License >= 2.1 OR the modified BSD license.
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4 | see: http://dojotoolkit.org/license for details
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5 | */
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6 | |||
7 | |||
8 | if(!dojo._hasResource["dojox.widget.Pager"]){ |
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9 | dojo._hasResource["dojox.widget.Pager"]=true; |
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10 | dojo.provide("dojox.widget.Pager");
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11 | dojo.experimental("dojox.widget.Pager");
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12 | dojo.require("dijit._Widget");
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13 | dojo.require("dijit._Templated");
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14 | dojo.require("dojo.fx");
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15 | dojo.declare("dojox.widget.Pager",[dijit._Widget,dijit._Templated],{templateString:dojo.cache("dojox.widget","Pager/Pager.html","<div dojoAttachPoint=\"pagerContainer\" tabIndex=\"0\" dojoAttachEvent=\"onkeypress: _handleKey, onfocus: _a11yStyle, onblur:_a11yStyle\" class=\"${orientation}PagerContainer\">\n <div class=\"pagerContainer\">\n\t\t<div dojoAttachPoint=\"pagerContainerStatus\" class=\"${orientation}PagerStatus\"></div>\n\t\t<div dojoAttachPoint=\"pagerContainerView\" class=\"${orientation}PagerView\">\n\t\t <div dojoAttachPoint=\"pagerItemContainer\"><ul dojoAttachPoint=\"pagerItems\" class=\"pagerItems\"></ul></div>\n\t\t</div>\n\t\t<div dojoAttachPoint=\"pagerContainerPager\" class=\"${orientation}PagerPager\">\n\t\t\t<div tabIndex=\"0\" dojoAttachPoint=\"pagerNext\" class=\"pagerIconContainer\" dojoAttachEvent=\"onclick: _pagerNext\"><img dojoAttachPoint=\"pagerIconNext\" src=\"${iconNext}\" alt=\"Next\" /></div>\n\t\t\t<div tabIndex=\"0\" dojoAttachPoint=\"pagerPrevious\" class=\"pagerIconContainer\" dojoAttachEvent=\"onclick: _pagerPrevious\"><img dojoAttachPoint=\"pagerIconPrevious\" src=\"${iconPrevious}\" alt=\"Previous\" /></div>\n\t\t</div>\n </div>\n\t<div dojoAttachPoint=\"containerNode\" style=\"display:none\"></div>\n</div>\n"),iconPage:dojo.moduleUrl("dojox.widget","Pager/images/pageInactive.png"),iconPageActive:dojo.moduleUrl("dojox.widget","Pager/images/pageActive.png"),store:null,orientation:"horizontal",statusPos:"leading",pagerPos:"center",duration:500,itemSpace:2,resizeChildren:true,itemClass:"dojox.widget._PagerItem",itemsPage:3,postMixInProperties:function(){ |
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16 | var h=(this.orientation=="horizontal"); |
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17 | dojo.mixin(this,{_totalPages:0,_currentPage:1,dirClass:"pager"+(h?"Horizontal":"Vertical"),iconNext:dojo.moduleUrl("dojox.widget","Pager/images/"+(h?"h":"v")+"Next.png"),iconPrevious:dojo.moduleUrl("dojox.widget","Pager/images/"+(h?"h":"v")+"Previous.png")}); |
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18 | },postCreate:function(){ |
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19 | this.inherited(arguments); |
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20 | this.store.fetch({onComplete:dojo.hitch(this,"_init")}); |
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21 | },_a11yStyle:function(e){ |
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22 | dojo[(e.type=="focus"?"addClass":"removeClass")](e.target,"pagerFocus"); |
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23 | },_handleKey:function(e){ |
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24 | var dk=dojo.keys;
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25 | var _1=(e.charCode==dk.SPACE?dk.SPACE:e.keyCode);
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26 | switch(_1){
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27 | case dk.UP_ARROW:
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28 | case dk.RIGHT_ARROW:
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29 | case 110: |
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30 | case 78: |
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31 | e.preventDefault(); |
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32 | this._pagerNext();
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33 | break;
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34 | case dk.DOWN_ARROW:
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35 | case dk.LEFT_ARROW:
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36 | case 112: |
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37 | case 80: |
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38 | e.preventDefault(); |
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39 | this._pagerPrevious();
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40 | break;
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41 | case dk.ENTER:
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42 | switch(e.target){
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43 | case this.pagerNext: |
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44 | this._pagerNext();
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45 | break;
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46 | case this.pagerPrevious: |
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47 | this._pagerPrevious();
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48 | break;
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49 | } |
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50 | break;
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51 | } |
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52 | },_init:function(_2){ |
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53 | this.items=_2;
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54 | this._renderPages();
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55 | this._renderStatus();
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56 | this._renderPager();
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57 | },_renderPages:function(){ |
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58 | var _3=this.pagerContainerView; |
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59 | var _4=(this.orientation=="horizontal"); |
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60 | var _5=dojo.style;
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61 | if(_4){
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62 | var _6=dojo.marginBox(this.pagerContainerPager).h; |
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63 | var _7=dojo.marginBox(this.pagerContainerStatus).h; |
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64 | if(this.pagerPos!="center"){ |
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65 | var _8=_6+_7;
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66 | }else{
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67 | var _8=_7;
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68 | var _9=this.pagerIconNext.width; |
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69 | var _a=_5(_3,"width"); |
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70 | var _b=_a-(2*_9); |
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71 | _5(_3,{width:_b+"px",marginLeft:this.pagerIconNext.width+"px",marginRight:this.pagerIconNext.width+"px"}); |
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72 | } |
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73 | var _c=_5(this.pagerContainer,"height")-_8; |
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74 | _5(this.pagerContainerView,"height",_c+"px"); |
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75 | var _d=Math.floor(_5(_3,"width")/this.itemsPage); |
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76 | if(this.statusPos=="trailing"){ |
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77 | if(this.pagerPos!="center"){ |
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78 | _5(_3,"marginTop",_6+"px"); |
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79 | } |
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80 | _5(_3,"marginBottom",_7+"px"); |
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81 | }else{
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82 | _5(_3,"marginTop",_7+"px"); |
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83 | if(this.pagerPos!="center"){ |
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84 | _5(_3,"marginTop",_6+"px"); |
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85 | } |
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86 | } |
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87 | }else{
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88 | var _e=dojo.marginBox(this.pagerContainerPager).w; |
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89 | var _f=dojo.marginBox(this.pagerContainerStatus).w; |
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90 | var _10=_5(this.pagerContainer,"width"); |
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91 | if(this.pagerPos!="center"){ |
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92 | var _11=_e+_f;
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93 | }else{
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94 | var _11=_f;
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95 | var _12=this.pagerIconNext.height; |
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96 | var _13=_5(_3,"height"); |
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97 | var _14=_13-(2*_12); |
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98 | _5(_3,{height:_14+"px",marginTop:this.pagerIconNext.height+"px",marginBottom:this.pagerIconNext.height+"px"}); |
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99 | } |
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100 | var _15=_5(this.pagerContainer,"width")-_11; |
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101 | _5(_3,"width",_15+"px"); |
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102 | var _d=Math.floor(_5(_3,"height")/this.itemsPage); |
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103 | if(this.statusPos=="trailing"){ |
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104 | if(this.pagerPos!="center"){ |
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105 | _5(_3,"marginLeft",_e+"px"); |
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106 | } |
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107 | _5(_3,"marginRight",_f+"px"); |
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108 | }else{
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109 | _5(_3,"marginLeft",_f+"px"); |
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110 | if(this.pagerPos!="center"){ |
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111 | _5(_3,"marginRight",_e+"px"); |
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112 | } |
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113 | } |
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114 | } |
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115 | var _16=dojo.getObject(this.itemClass); |
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116 | var _17="padding"+(_4?"Left":"Top"); |
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117 | var _18="padding"+(_4?"Right":"Bottom"); |
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118 | dojo.forEach(this.items,function(_19,cnt){ |
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119 | var _1a=dojo.create("div",{innerHTML:_19.content}); |
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120 | var _1b=new _16({id:this.id+"-item-"+(cnt+1)},_1a); |
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121 | this.pagerItems.appendChild(_1b.domNode);
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122 | var _1c={};
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123 | _1c[(_4?"width":"height")]=(_d-this.itemSpace)+"px"; |
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124 | var p=(_4?"height":"width"); |
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125 | _1c[p]=_5(_3,p)+"px";
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126 | _5(_1b.containerNode,_1c); |
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127 | if(this.resizeChildren){ |
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128 | _1b.resizeChildren(); |
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129 | } |
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130 | _1b.parseChildren(); |
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131 | _5(_1b.domNode,"position","absolute"); |
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132 | if(cnt<this.itemsPage){ |
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133 | var pos=(cnt)*_d;
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134 | var _1d=(_4?"left":"top"); |
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135 | var dir=(_4?"top":"left"); |
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136 | _5(_1b.domNode,dir,"0px");
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137 | _5(_1b.domNode,_1d,pos+"px");
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138 | }else{
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139 | _5(_1b.domNode,"top","-1000px"); |
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140 | _5(_1b.domNode,"left","-1000px"); |
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141 | } |
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142 | _5(_1b.domNode,_18,(this.itemSpace/2)+"px"); |
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143 | _5(_1b.domNode,_17,(this.itemSpace/2)+"px"); |
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144 | },this);
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145 | },_renderPager:function(){ |
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146 | var tcp=this.pagerContainerPager; |
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147 | var _1e="0px"; |
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148 | var _1f=(this.orientation=="horizontal"); |
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149 | if(_1f){
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150 | if(this.statusPos=="center"){ |
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151 | }else{
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152 | if(this.statusPos=="trailing"){ |
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153 | dojo.style(tcp,"top",_1e);
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154 | }else{
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155 | dojo.style(tcp,"bottom",_1e);
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156 | } |
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157 | } |
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158 | dojo.style(this.pagerNext,"right",_1e); |
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159 | dojo.style(this.pagerPrevious,"left",_1e); |
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160 | }else{
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161 | if(this.statusPos=="trailing"){ |
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162 | dojo.style(tcp,"left",_1e);
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163 | }else{
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164 | dojo.style(tcp,"right",_1e);
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165 | } |
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166 | dojo.style(this.pagerNext,"bottom",_1e); |
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167 | dojo.style(this.pagerPrevious,"top",_1e); |
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168 | } |
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169 | },_renderStatus:function(){ |
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170 | this._totalPages=Math.ceil(this.items.length/this.itemsPage); |
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171 | this.iconWidth=0; |
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172 | this.iconHeight=0; |
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173 | this.iconsLoaded=0; |
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174 | this._iconConnects=[];
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175 | for(var i=1;i<=this._totalPages;i++){ |
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176 | var _20=new Image(); |
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177 | var _21=i;
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178 | dojo.connect(_20,"onclick",dojo.hitch(this,function(_22){ |
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179 | this._pagerSkip(_22);
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180 | },_21)); |
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181 | this._iconConnects[_21]=dojo.connect(_20,"onload",dojo.hitch(this,function(_23){ |
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182 | this.iconWidth+=_20.width;
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183 | this.iconHeight+=_20.height;
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184 | this.iconsLoaded++;
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185 | if(this._totalPages==this.iconsLoaded){ |
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186 | if(this.orientation=="horizontal"){ |
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187 | if(this.statusPos=="trailing"){ |
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188 | if(this.pagerPos=="center"){ |
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189 | var _24=dojo.style(this.pagerContainer,"height"); |
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190 | var _25=dojo.style(this.pagerContainerStatus,"height"); |
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191 | dojo.style(this.pagerContainerPager,"top",((_24/2)-(_25/2))+"px"); |
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192 | } |
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193 | dojo.style(this.pagerContainerStatus,"bottom","0px"); |
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194 | }else{
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195 | if(this.pagerPos=="center"){ |
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196 | var _24=dojo.style(this.pagerContainer,"height"); |
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197 | var _25=dojo.style(this.pagerContainerStatus,"height"); |
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198 | dojo.style(this.pagerContainerPager,"bottom",((_24/2)-(_25/2))+"px"); |
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199 | } |
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200 | dojo.style(this.pagerContainerStatus,"top","0px"); |
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201 | } |
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202 | var _26=(dojo.style(this.pagerContainer,"width")/2)-(this.iconWidth/2); |
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203 | dojo.style(this.pagerContainerStatus,"paddingLeft",_26+"px"); |
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204 | }else{
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205 | if(this.statusPos=="trailing"){ |
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206 | if(this.pagerPos=="center"){ |
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207 | var _27=dojo.style(this.pagerContainer,"width"); |
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208 | var _28=dojo.style(this.pagerContainerStatus,"width"); |
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209 | dojo.style(this.pagerContainerPager,"left",((_27/2)-(_28/2))+"px"); |
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210 | } |
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211 | dojo.style(this.pagerContainerStatus,"right","0px"); |
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212 | }else{
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213 | if(this.pagerPos=="center"){ |
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214 | var _27=dojo.style(this.pagerContainer,"width"); |
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215 | var _28=dojo.style(this.pagerContainerStatus,"width"); |
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216 | dojo.style(this.pagerContainerPager,"right",((_27/2)-(_28/2))+"px"); |
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217 | } |
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218 | dojo.style(this.pagerContainerStatus,"left","0px"); |
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219 | } |
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220 | var _26=(dojo.style(this.pagerContainer,"height")/2)-(this.iconHeight/2); |
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221 | dojo.style(this.pagerContainerStatus,"paddingTop",_26+"px"); |
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222 | } |
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223 | } |
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224 | dojo.disconnect(this._iconConnects[_23]);
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225 | },_21)); |
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226 | if(i==this._currentPage){ |
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227 | _20.src=this.iconPageActive;
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228 | }else{
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229 | _20.src=this.iconPage;
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230 | } |
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231 | var _21=i;
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232 | dojo.addClass(_20,this.orientation+"PagerIcon"); |
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233 | dojo.attr(_20,"id",this.id+"-status-"+i); |
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234 | this.pagerContainerStatus.appendChild(_20);
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235 | if(this.orientation=="vertical"){ |
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236 | dojo.style(_20,"display","block"); |
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237 | } |
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238 | } |
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239 | },_pagerSkip:function(_29){ |
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240 | if(this._currentPage==_29){ |
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241 | return;
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242 | }else{
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243 | var _2a;
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244 | var _2b;
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245 | if(_29<this._currentPage){ |
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246 | _2a=this._currentPage-_29;
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247 | _2b=(this._totalPages+_29)-this._currentPage; |
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248 | }else{
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249 | _2a=(this._totalPages+this._currentPage)-_29; |
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250 | _2b=_29-this._currentPage;
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251 | } |
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252 | var b=(_2b>_2a);
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253 | this._toScroll=(b?_2a:_2b);
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254 | var cmd=(b?"_pagerPrevious":"_pagerNext"); |
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255 | var _2c=this.connect(this,"onScrollEnd",function(){ |
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256 | this._toScroll--;
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257 | if(this._toScroll<1){ |
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258 | this.disconnect(_2c);
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259 | }else{
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260 | this[cmd]();
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261 | } |
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262 | }); |
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263 | this[cmd]();
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264 | } |
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265 | },_pagerNext:function(){ |
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266 | if(this._anim){ |
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267 | return;
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268 | } |
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269 | var _2d=[];
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270 | for(var i=this._currentPage*this.itemsPage;i>(this._currentPage-1)*this.itemsPage;i--){ |
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271 | if(!dojo.byId(this.id+"-item-"+i)){ |
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272 | continue;
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273 | } |
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274 | var _2e=dojo.byId(this.id+"-item-"+i); |
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275 | var _2f=dojo.marginBox(_2e);
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276 | if(this.orientation=="horizontal"){ |
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277 | var _30=_2f.l-(this.itemsPage*_2f.w); |
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278 | _2d.push(dojo.fx.slideTo({node:_2e,left:_30,duration:this.duration})); |
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279 | }else{
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280 | var _30=_2f.t-(this.itemsPage*_2f.h); |
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281 | _2d.push(dojo.fx.slideTo({node:_2e,top:_30,duration:this.duration})); |
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282 | } |
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283 | } |
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284 | var _31=this._currentPage; |
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285 | if(this._currentPage==this._totalPages){ |
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286 | this._currentPage=1; |
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287 | }else{
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288 | this._currentPage++;
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289 | } |
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290 | var cnt=this.itemsPage; |
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291 | for(var i=this._currentPage*this.itemsPage;i>(this._currentPage-1)*this.itemsPage;i--){ |
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292 | if(dojo.byId(this.id+"-item-"+i)){ |
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293 | var _2e=dojo.byId(this.id+"-item-"+i); |
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294 | var _2f=dojo.marginBox(_2e);
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295 | if(this.orientation=="horizontal"){ |
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296 | var _32=(dojo.style(this.pagerContainerView,"width")+((cnt-1)*_2f.w))-1; |
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297 | dojo.style(_2e,"left",_32+"px"); |
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298 | dojo.style(_2e,"top","0px"); |
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299 | var _30=_32-(this.itemsPage*_2f.w); |
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300 | _2d.push(dojo.fx.slideTo({node:_2e,left:_30,duration:this.duration})); |
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301 | }else{
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302 | _32=(dojo.style(this.pagerContainerView,"height")+((cnt-1)*_2f.h))-1; |
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303 | dojo.style(_2e,"top",_32+"px"); |
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304 | dojo.style(_2e,"left","0px"); |
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305 | var _30=_32-(this.itemsPage*_2f.h); |
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306 | _2d.push(dojo.fx.slideTo({node:_2e,top:_30,duration:this.duration})); |
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307 | } |
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308 | } |
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309 | cnt--; |
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310 | } |
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311 | this._anim=dojo.fx.combine(_2d);
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312 | var _33=this.connect(this._anim,"onEnd",function(){ |
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313 | delete this._anim; |
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314 | this.onScrollEnd();
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315 | this.disconnect(_33);
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316 | }); |
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317 | this._anim.play();
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318 | dojo.byId(this.id+"-status-"+_31).src=this.iconPage; |
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319 | dojo.byId(this.id+"-status-"+this._currentPage).src=this.iconPageActive; |
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320 | },_pagerPrevious:function(){ |
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321 | if(this._anim){ |
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322 | return;
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323 | } |
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324 | var _34=[];
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325 | for(var i=this._currentPage*this.itemsPage;i>(this._currentPage-1)*this.itemsPage;i--){ |
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326 | if(!dojo.byId(this.id+"-item-"+i)){ |
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327 | continue;
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328 | } |
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329 | var _35=dojo.byId(this.id+"-item-"+i); |
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330 | var _36=dojo.marginBox(_35);
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331 | if(this.orientation=="horizontal"){ |
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332 | var _37=dojo.style(_35,"left")+(this.itemsPage*_36.w); |
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333 | _34.push(dojo.fx.slideTo({node:_35,left:_37,duration:this.duration})); |
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334 | }else{
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335 | var _37=dojo.style(_35,"top")+(this.itemsPage*_36.h); |
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336 | _34.push(dojo.fx.slideTo({node:_35,top:_37,duration:this.duration})); |
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337 | } |
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338 | } |
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339 | var _38=this._currentPage; |
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340 | if(this._currentPage==1){ |
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341 | this._currentPage=this._totalPages; |
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342 | }else{
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343 | this._currentPage--;
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344 | } |
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345 | var cnt=this.itemsPage; |
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346 | var j=1; |
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347 | for(var i=this._currentPage*this.itemsPage;i>(this._currentPage-1)*this.itemsPage;i--){ |
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348 | if(dojo.byId(this.id+"-item-"+i)){ |
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349 | var _35=dojo.byId(this.id+"-item-"+i); |
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350 | var _36=dojo.marginBox(_35);
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351 | if(this.orientation=="horizontal"){ |
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352 | var _39=-(j*_36.w)+1; |
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353 | dojo.style(_35,"left",_39+"px"); |
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354 | dojo.style(_35,"top","0px"); |
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355 | var _37=((cnt-1)*_36.w); |
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356 | _34.push(dojo.fx.slideTo({node:_35,left:_37,duration:this.duration})); |
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357 | var _37=_39+(this.itemsPage*_36.w); |
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358 | _34.push(dojo.fx.slideTo({node:_35,left:_37,duration:this.duration})); |
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359 | }else{
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360 | _39=-((j*_36.h)+1);
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361 | dojo.style(_35,"top",_39+"px"); |
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362 | dojo.style(_35,"left","0px"); |
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363 | var _37=((cnt-1)*_36.h); |
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364 | _34.push(dojo.fx.slideTo({node:_35,top:_37,duration:this.duration})); |
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365 | } |
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366 | } |
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367 | cnt--; |
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368 | j++; |
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369 | } |
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370 | this._anim=dojo.fx.combine(_34);
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371 | var _3a=dojo.connect(this._anim,"onEnd",dojo.hitch(this,function(){ |
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372 | delete this._anim; |
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373 | this.onScrollEnd();
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374 | dojo.disconnect(_3a); |
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375 | })); |
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376 | this._anim.play();
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377 | dojo.byId(this.id+"-status-"+_38).src=this.iconPage; |
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378 | dojo.byId(this.id+"-status-"+this._currentPage).src=this.iconPageActive; |
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379 | },onScrollEnd:function(){ |
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380 | }}); |
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381 | dojo.declare("dojox.widget._PagerItem",[dijit._Widget,dijit._Templated],{templateString:"<li class=\"pagerItem\" dojoAttachPoint=\"containerNode\"></li>",resizeChildren:function(){ |
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382 | var box=dojo.marginBox(this.containerNode); |
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383 | dojo.style(this.containerNode.firstChild,{width:box.w+"px",height:box.h+"px"}); |
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384 | },parseChildren:function(){ |
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385 | dojo.parser.parse(this.containerNode);
|
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386 | }}); |
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387 | } |