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1 | /*! |
| 2 | * jQuery UI Tooltip 1.9.0 |
| 3 | * http://jqueryui.com |
| 4 | * |
| 5 | * Copyright 2012 jQuery Foundation and other contributors |
| 6 | * Released under the MIT license. |
| 7 | * http://jquery.org/license |
| 8 | * |
| 9 | * http://api.jqueryui.com/tooltip/ |
| 10 | * |
| 11 | * Depends: |
| 12 | * jquery.ui.core.js |
| 13 | * jquery.ui.widget.js |
| 14 | * jquery.ui.position.js |
| 15 | */ |
| 16 | (function( $ ) { |
| 17 | |
| 18 | var increments = 0; |
| 19 | |
| 20 | function addDescribedBy( elem, id ) { |
| 21 | var describedby = (elem.attr( "aria-describedby" ) || "").split( /\s+/ ); |
| 22 | describedby.push( id ); |
| 23 | elem |
| 24 | .data( "ui-tooltip-id", id ) |
| 25 | .attr( "aria-describedby", $.trim( describedby.join( " " ) ) ); |
| 26 | } |
| 27 | |
| 28 | function removeDescribedBy( elem ) { |
| 29 | var id = elem.data( "ui-tooltip-id" ), |
| 30 | describedby = (elem.attr( "aria-describedby" ) || "").split( /\s+/ ), |
| 31 | index = $.inArray( id, describedby ); |
| 32 | if ( index !== -1 ) { |
| 33 | describedby.splice( index, 1 ); |
| 34 | } |
| 35 | |
| 36 | elem.removeData( "ui-tooltip-id" ); |
| 37 | describedby = $.trim( describedby.join( " " ) ); |
| 38 | if ( describedby ) { |
| 39 | elem.attr( "aria-describedby", describedby ); |
| 40 | } else { |
| 41 | elem.removeAttr( "aria-describedby" ); |
| 42 | } |
| 43 | } |
| 44 | |
| 45 | $.widget( "ui.tooltip", { |
| 46 | version: "1.9.0", |
| 47 | options: { |
| 48 | content: function() { |
| 49 | return $( this ).attr( "title" ); |
| 50 | }, |
| 51 | hide: true, |
| 52 | items: "[title]", |
| 53 | position: { |
| 54 | my: "left+15 center", |
| 55 | at: "right center", |
| 56 | collision: "flipfit flipfit" |
| 57 | }, |
| 58 | show: true, |
| 59 | tooltipClass: null, |
| 60 | track: false, |
| 61 | |
| 62 | // callbacks |
| 63 | close: null, |
| 64 | open: null |
| 65 | }, |
| 66 | |
| 67 | _create: function() { |
| 68 | this._on({ |
| 69 | mouseover: "open", |
| 70 | focusin: "open" |
| 71 | }); |
| 72 | |
| 73 | // IDs of generated tooltips, needed for destroy |
| 74 | this.tooltips = {}; |
| 75 | }, |
| 76 | |
| 77 | _setOption: function( key, value ) { |
| 78 | var that = this; |
| 79 | |
| 80 | if ( key === "disabled" ) { |
| 81 | this[ value ? "_disable" : "_enable" ](); |
| 82 | this.options[ key ] = value; |
| 83 | // disable element style changes |
| 84 | return; |
| 85 | } |
| 86 | |
| 87 | this._super( key, value ); |
| 88 | |
| 89 | if ( key === "content" ) { |
| 90 | $.each( this.tooltips, function( id, element ) { |
| 91 | that._updateContent( element ); |
| 92 | }); |
| 93 | } |
| 94 | }, |
| 95 | |
| 96 | _disable: function() { |
| 97 | var that = this; |
| 98 | |
| 99 | // close open tooltips |
| 100 | $.each( this.tooltips, function( id, element ) { |
| 101 | var event = $.Event( "blur" ); |
| 102 | event.target = event.currentTarget = element[0]; |
| 103 | that.close( event, true ); |
| 104 | }); |
| 105 | |
| 106 | // remove title attributes to prevent native tooltips |
| 107 | this.element.find( this.options.items ).andSelf().each(function() { |
| 108 | var element = $( this ); |
| 109 | if ( element.is( "[title]" ) ) { |
| 110 | element |
| 111 | .data( "ui-tooltip-title", element.attr( "title" ) ) |
| 112 | .attr( "title", "" ); |
| 113 | } |
| 114 | }); |
| 115 | }, |
| 116 | |
| 117 | _enable: function() { |
| 118 | // restore title attributes |
| 119 | this.element.find( this.options.items ).andSelf().each(function() { |
| 120 | var element = $( this ); |
| 121 | if ( element.data( "ui-tooltip-title" ) ) { |
| 122 | element.attr( "title", element.data( "ui-tooltip-title" ) ); |
| 123 | } |
| 124 | }); |
| 125 | }, |
| 126 | |
| 127 | open: function( event ) { |
| 128 | var target = $( event ? event.target : this.element ) |
| 129 | .closest( this.options.items ); |
| 130 | |
| 131 | // No element to show a tooltip for |
| 132 | if ( !target.length ) { |
| 133 | return; |
| 134 | } |
| 135 | |
| 136 | // If the tooltip is open and we're tracking then reposition the tooltip. |
| 137 | // This makes sure that a tracking tooltip doesn't obscure a focused element |
| 138 | // if the user was hovering when the element gained focused. |
| 139 | if ( this.options.track && target.data( "ui-tooltip-id" ) ) { |
| 140 | this._find( target ).position( $.extend({ |
| 141 | of: target |
| 142 | }, this.options.position ) ); |
| 143 | // Stop tracking (#8622) |
| 144 | this._off( this.document, "mousemove" ); |
| 145 | return; |
| 146 | } |
| 147 | |
| 148 | if ( target.attr( "title" ) ) { |
| 149 | target.data( "ui-tooltip-title", target.attr( "title" ) ); |
| 150 | } |
| 151 | |
| 152 | target.data( "tooltip-open", true ); |
| 153 | |
| 154 | this._updateContent( target, event ); |
| 155 | }, |
| 156 | |
| 157 | _updateContent: function( target, event ) { |
| 158 | var content, |
| 159 | contentOption = this.options.content, |
| 160 | that = this; |
| 161 | |
| 162 | if ( typeof contentOption === "string" ) { |
| 163 | return this._open( event, target, contentOption ); |
| 164 | } |
| 165 | |
| 166 | content = contentOption.call( target[0], function( response ) { |
| 167 | // ignore async response if tooltip was closed already |
| 168 | if ( !target.data( "tooltip-open" ) ) { |
| 169 | return; |
| 170 | } |
| 171 | // IE may instantly serve a cached response for ajax requests |
| 172 | // delay this call to _open so the other call to _open runs first |
| 173 | that._delay(function() { |
| 174 | this._open( event, target, response ); |
| 175 | }); |
| 176 | }); |
| 177 | if ( content ) { |
| 178 | this._open( event, target, content ); |
| 179 | } |
| 180 | }, |
| 181 | |
| 182 | _open: function( event, target, content ) { |
| 183 | var tooltip, positionOption; |
| 184 | if ( !content ) { |
| 185 | return; |
| 186 | } |
| 187 | |
| 188 | // Content can be updated multiple times. If the tooltip already |
| 189 | // exists, then just update the content and bail. |
| 190 | tooltip = this._find( target ); |
| 191 | if ( tooltip.length ) { |
| 192 | tooltip.find( ".ui-tooltip-content" ).html( content ); |
| 193 | return; |
| 194 | } |
| 195 | |
| 196 | // if we have a title, clear it to prevent the native tooltip |
| 197 | // we have to check first to avoid defining a title if none exists |
| 198 | // (we don't want to cause an element to start matching [title]) |
| 199 | // |
| 200 | // We use removeAttr only for key events, to allow IE to export the correct |
| 201 | // accessible attributes. For mouse events, set to empty string to avoid |
| 202 | // native tooltip showing up (happens only when removing inside mouseover). |
| 203 | if ( target.is( "[title]" ) ) { |
| 204 | if ( event && event.type === "mouseover" ) { |
| 205 | target.attr( "title", "" ); |
| 206 | } else { |
| 207 | target.removeAttr( "title" ); |
| 208 | } |
| 209 | } |
| 210 | |
| 211 | tooltip = this._tooltip( target ); |
| 212 | addDescribedBy( target, tooltip.attr( "id" ) ); |
| 213 | tooltip.find( ".ui-tooltip-content" ).html( content ); |
| 214 | |
| 215 | function position( event ) { |
| 216 | positionOption.of = event; |
| 217 | tooltip.position( positionOption ); |
| 218 | } |
| 219 | if ( this.options.track && event && /^mouse/.test( event.originalEvent.type ) ) { |
| 220 | positionOption = $.extend( {}, this.options.position ); |
| 221 | this._on( this.document, { |
| 222 | mousemove: position |
| 223 | }); |
| 224 | // trigger once to override element-relative positioning |
| 225 | position( event ); |
| 226 | } else { |
| 227 | tooltip.position( $.extend({ |
| 228 | of: target |
| 229 | }, this.options.position ) ); |
| 230 | } |
| 231 | |
| 232 | tooltip.hide(); |
| 233 | |
| 234 | this._show( tooltip, this.options.show ); |
| 235 | |
| 236 | this._trigger( "open", event, { tooltip: tooltip } ); |
| 237 | |
| 238 | this._on( target, { |
| 239 | mouseleave: "close", |
| 240 | focusout: "close", |
| 241 | keyup: function( event ) { |
| 242 | if ( event.keyCode === $.ui.keyCode.ESCAPE ) { |
| 243 | var fakeEvent = $.Event(event); |
| 244 | fakeEvent.currentTarget = target[0]; |
| 245 | this.close( fakeEvent, true ); |
| 246 | } |
| 247 | } |
| 248 | }); |
| 249 | }, |
| 250 | |
| 251 | close: function( event, force ) { |
| 252 | var that = this, |
| 253 | target = $( event ? event.currentTarget : this.element ), |
| 254 | tooltip = this._find( target ); |
| 255 | |
| 256 | // disabling closes the tooltip, so we need to track when we're closing |
| 257 | // to avoid an infinite loop in case the tooltip becomes disabled on close |
| 258 | if ( this.closing ) { |
| 259 | return; |
| 260 | } |
| 261 | |
| 262 | // don't close if the element has focus |
| 263 | // this prevents the tooltip from closing if you hover while focused |
| 264 | // |
| 265 | // we have to check the event type because tabbing out of the document |
| 266 | // may leave the element as the activeElement |
| 267 | if ( !force && event && event.type !== "focusout" && |
| 268 | this.document[0].activeElement === target[0] ) { |
| 269 | return; |
| 270 | } |
| 271 | |
| 272 | // only set title if we had one before (see comment in _open()) |
| 273 | if ( target.data( "ui-tooltip-title" ) ) { |
| 274 | target.attr( "title", target.data( "ui-tooltip-title" ) ); |
| 275 | } |
| 276 | |
| 277 | removeDescribedBy( target ); |
| 278 | |
| 279 | tooltip.stop( true ); |
| 280 | this._hide( tooltip, this.options.hide, function() { |
| 281 | $( this ).remove(); |
| 282 | delete that.tooltips[ this.id ]; |
| 283 | }); |
| 284 | |
| 285 | target.removeData( "tooltip-open" ); |
| 286 | this._off( target, "mouseleave focusout keyup" ); |
| 287 | this._off( this.document, "mousemove" ); |
| 288 | |
| 289 | this.closing = true; |
| 290 | this._trigger( "close", event, { tooltip: tooltip } ); |
| 291 | this.closing = false; |
| 292 | }, |
| 293 | |
| 294 | _tooltip: function( element ) { |
| 295 | var id = "ui-tooltip-" + increments++, |
| 296 | tooltip = $( "<div>" ) |
| 297 | .attr({ |
| 298 | id: id, |
| 299 | role: "tooltip" |
| 300 | }) |
| 301 | .addClass( "ui-tooltip ui-widget ui-corner-all ui-widget-content " + |
| 302 | ( this.options.tooltipClass || "" ) ); |
| 303 | $( "<div>" ) |
| 304 | .addClass( "ui-tooltip-content" ) |
| 305 | .appendTo( tooltip ); |
| 306 | tooltip.appendTo( this.document[0].body ); |
| 307 | if ( $.fn.bgiframe ) { |
| 308 | tooltip.bgiframe(); |
| 309 | } |
| 310 | this.tooltips[ id ] = element; |
| 311 | return tooltip; |
| 312 | }, |
| 313 | |
| 314 | _find: function( target ) { |
| 315 | var id = target.data( "ui-tooltip-id" ); |
| 316 | return id ? $( "#" + id ) : $(); |
| 317 | }, |
| 318 | |
| 319 | _destroy: function() { |
| 320 | var that = this; |
| 321 | |
| 322 | // close open tooltips |
| 323 | $.each( this.tooltips, function( id, element ) { |
| 324 | // Delegate to close method to handle common cleanup |
| 325 | var event = $.Event( "blur" ); |
| 326 | event.target = event.currentTarget = element[0]; |
| 327 | that.close( event, true ); |
| 328 | |
| 329 | // Remove immediately; destroying an open tooltip doesn't use the |
| 330 | // hide animation |
| 331 | $( "#" + id ).remove(); |
| 332 | |
| 333 | // Restore the title |
| 334 | if ( element.data( "ui-tooltip-title" ) ) { |
| 335 | element.attr( "title", element.data( "ui-tooltip-title" ) ); |
| 336 | element.removeData( "ui-tooltip-title" ); |
| 337 | } |
| 338 | }); |
| 339 | } |
| 340 | }); |
| 341 | |
| 342 | }( jQuery ) ); |
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