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Add pointers feature, and pointer to admin bar, props nacin for PHP bits, see #18693.
git-svn-id: https://develop.svn.wordpress.org/trunk@18707 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Daryl Koopersmith
264
wp-includes/js/wp-pointer.dev.js
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264
wp-includes/js/wp-pointer.dev.js
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/**
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* Pointer jQuery widget.
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*/
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(function($){
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var identifier = 0,
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zindex = 9999;
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$.widget("wp.pointer", {
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options: {
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pointerClass: 'wp-pointer',
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content: function( respond, event, t ) {
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return $(this).text();
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},
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buttons: function( event, t ) {
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var close = ( wpPointerL10n ) ? wpPointerL10n.close : 'Close',
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button = $('<a class="button-secondary">' + close + '</div>');
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return button.bind( 'click.pointer', function() {
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t.element.pointer('close');
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});
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},
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arrow: 'auto',
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position: {
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my: "left center",
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at: "right center"
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},
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arrow: {
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edge: 'top',
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align: 'left',
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offset: 20
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},
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show: function( event, t ) {
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t.pointer.show();
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t.opened();
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},
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hide: function( event, t ) {
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t.pointer.hide();
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t.closed();
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},
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document: document
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},
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_create: function() {
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var positioning,
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family;
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this.content = $('<div class="wp-pointer-content"></div>');
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this.arrow = $('<div class="wp-pointer-arrow"><div class="wp-pointer-arrow-inner"></div></div>');
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family = this.element.parents().add( this.element );
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positioning = 'absolute';
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if ( family.filter(function(){ return 'fixed' === $(this).css('position'); }).length )
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positioning = 'fixed';
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this.pointer = $('<div />')
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.append( this.content )
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.append( this.arrow )
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.attr('id', 'wp-pointer-' + identifier++)
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.addClass( this.options.pointerClass )
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.css('position', positioning)
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.hide()
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.appendTo( this.options.document.body );
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},
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_setOption: function( key, value ) {
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var o = this.options,
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tip = this.pointer;
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// Handle document transfer
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if ( key === "document" && value !== o.document ) {
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tip.detach().appendTo( value.body );
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// Handle class change
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} else if ( key === "pointerClass" ) {
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tip.removeClass( o.pointerClass ).addClass( value );
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}
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// Call super method.
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$.Widget.prototype._setOption.apply( this, arguments );
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// Reposition automatically
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if ( key === "position" ) {
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this.reposition();
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// Update content automatically if pointer is open
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} else if ( key === "content" && this.active ) {
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this.update();
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}
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},
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destroy: function() {
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this.pointer.remove();
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$.Widget.prototype.destroy.call( this );
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},
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widget: function() {
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return this.pointer;
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},
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update: function( event ) {
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var self = this,
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o = this.options,
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dfd = $.Deferred(),
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content;
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if ( o.disabled )
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return;
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dfd.done( function( content ) {
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self._update( event, content );
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})
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// Either o.content is a string...
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if ( typeof o.content === 'string' ) {
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content = o.content;
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// ...or o.content is a callback.
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} else {
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content = o.content.call( this.element[0], dfd.resolve, event, this._handoff() );
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}
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// If content is set, then complete the update.
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if ( content )
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dfd.resolve( content );
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return dfd.promise();
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},
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/**
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* Update is separated into two functions to allow events to defer
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* updating the pointer (e.g. fetch content with ajax, etc).
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*/
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_update: function( event, content ) {
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var buttons,
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o = this.options;
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if ( ! content )
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return;
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this.pointer.stop(); // Kill any animations on the pointer.
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this.content.html( content );
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buttons = o.buttons.call( this.element[0], event, this._handoff() );
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if ( buttons ) {
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buttons.wrap('<div class="wp-pointer-buttons" />').parent().appendTo( this.content );
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}
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this.reposition();
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},
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reposition: function() {
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if ( this.options.disabled )
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return;
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// Reposition pointer.
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this.pointer.css({
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top: 0,
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left: 0,
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zIndex: zindex++ // Increment the z-index so that it shows above other opened pointers.
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}).show().position($.extend({
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of: this.element
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}, this.options.position )); // the object comes before this.options.position so the user can override position.of.
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this.repoint();
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},
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repoint: function() {
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var o = this.options,
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position = {
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my: 'center',
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of: this.pointer
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},
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clear;
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if ( o.disabled )
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return;
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// Remove arrow classes.
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this.pointer[0].className = this.pointer[0].className.replace( /wp-pointer-[^\s'"]*/, '' );
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if ( o.arrow.edge == 'top' || o.arrow.edge == 'bottom' ) {
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position.at = o.arrow.align + ' ' + o.arrow.edge;
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position.offset = o.arrow.offset + ' 0';
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clear = 'top';
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} else {
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position.at = o.arrow.edge + ' ' + o.arrow.align;
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position.offset = '0 ' + o.arrow.offset;
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clear = 'left';
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}
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// Reposition arrow.
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this.arrow.position( position ).css( clear, '' );
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// Add arrow class.
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this.pointer.addClass( 'wp-pointer-' + o.arrow.edge );
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},
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open: function( event ) {
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var self = this,
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o = this.options;
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if ( this.active || o.disabled )
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return;
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this.update().done( function() {
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self._open( event );
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});
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},
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_open: function( event ) {
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var self = this,
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o = this.options;
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if ( this.active || o.disabled )
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return;
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this.active = true;
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this._trigger( "open", event, this._handoff() );
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this._trigger( "show", event, this._handoff({
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opened: function() {
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self._trigger( "opened", event, self._handoff() );
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}
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}));
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},
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close: function( event ) {
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if ( !this.active || this.options.disabled )
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return;
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var self = this;
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this.active = false;
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this._trigger( "close", event, this._handoff() );
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this._trigger( "hide", event, this._handoff({
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closed: function() {
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self._trigger( "closed", event, self._handoff() );
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}
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}));
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},
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sendToTop: function( event ) {
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if ( this.active )
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this.pointer.css( 'z-index', zindex++ );
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},
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toggle: function( event ) {
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if ( this.pointer.is(':hidden') )
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this.open( event );
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else
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this.close( event );
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},
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_handoff: function( extend ) {
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return $.extend({
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pointer: this.pointer,
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element: this.element
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}, extend);
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}
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});
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})(jQuery);
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