diff war/scripts/jQuery/ui/jquery.ui.autocomplete.js @ 3:cf06b77a8bbd

Committed branch of the e4D repos sti-gwt branch 16384. git-svn-id: http://dev.dariah.eu/svn/repos/eu.dariah.de/ap1/sti-gwt-dariah-geobrowser@36 f2b5be40-def6-11e0-8a09-b3c1cc336c6b
author StefanFunk <StefanFunk@f2b5be40-def6-11e0-8a09-b3c1cc336c6b>
date Tue, 17 Jul 2012 13:34:40 +0000
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children
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/war/scripts/jQuery/ui/jquery.ui.autocomplete.js	Tue Jul 17 13:34:40 2012 +0000
@@ -0,0 +1,612 @@
+/*
+ * jQuery UI Autocomplete 1.8.14
+ *
+ * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
+ * Dual licensed under the MIT or GPL Version 2 licenses.
+ * http://jquery.org/license
+ *
+ * http://docs.jquery.com/UI/Autocomplete
+ *
+ * Depends:
+ *	jquery.ui.core.js
+ *	jquery.ui.widget.js
+ *	jquery.ui.position.js
+ */
+(function( $, undefined ) {
+
+// used to prevent race conditions with remote data sources
+var requestIndex = 0;
+
+$.widget( "ui.autocomplete", {
+	options: {
+		appendTo: "body",
+		autoFocus: false,
+		delay: 300,
+		minLength: 1,
+		position: {
+			my: "left top",
+			at: "left bottom",
+			collision: "none"
+		},
+		source: null
+	},
+
+	pending: 0,
+
+	_create: function() {
+		var self = this,
+			doc = this.element[ 0 ].ownerDocument,
+			suppressKeyPress;
+
+		this.element
+			.addClass( "ui-autocomplete-input" )
+			.attr( "autocomplete", "off" )
+			// TODO verify these actually work as intended
+			.attr({
+				role: "textbox",
+				"aria-autocomplete": "list",
+				"aria-haspopup": "true"
+			})
+			.bind( "keydown.autocomplete", function( event ) {
+				if ( self.options.disabled || self.element.attr( "readonly" ) ) {
+					return;
+				}
+
+				suppressKeyPress = false;
+				var keyCode = $.ui.keyCode;
+				switch( event.keyCode ) {
+				case keyCode.PAGE_UP:
+					self._move( "previousPage", event );
+					break;
+				case keyCode.PAGE_DOWN:
+					self._move( "nextPage", event );
+					break;
+				case keyCode.UP:
+					self._move( "previous", event );
+					// prevent moving cursor to beginning of text field in some browsers
+					event.preventDefault();
+					break;
+				case keyCode.DOWN:
+					self._move( "next", event );
+					// prevent moving cursor to end of text field in some browsers
+					event.preventDefault();
+					break;
+				case keyCode.ENTER:
+				case keyCode.NUMPAD_ENTER:
+					// when menu is open and has focus
+					if ( self.menu.active ) {
+						// #6055 - Opera still allows the keypress to occur
+						// which causes forms to submit
+						suppressKeyPress = true;
+						event.preventDefault();
+					}
+					//passthrough - ENTER and TAB both select the current element
+				case keyCode.TAB:
+					if ( !self.menu.active ) {
+						return;
+					}
+					self.menu.select( event );
+					break;
+				case keyCode.ESCAPE:
+					self.element.val( self.term );
+					self.close( event );
+					break;
+				default:
+					// keypress is triggered before the input value is changed
+					clearTimeout( self.searching );
+					self.searching = setTimeout(function() {
+						// only search if the value has changed
+						if ( self.term != self.element.val() ) {
+							self.selectedItem = null;
+							self.search( null, event );
+						}
+					}, self.options.delay );
+					break;
+				}
+			})
+			.bind( "keypress.autocomplete", function( event ) {
+				if ( suppressKeyPress ) {
+					suppressKeyPress = false;
+					event.preventDefault();
+				}
+			})
+			.bind( "focus.autocomplete", function() {
+				if ( self.options.disabled ) {
+					return;
+				}
+
+				self.selectedItem = null;
+				self.previous = self.element.val();
+			})
+			.bind( "blur.autocomplete", function( event ) {
+				if ( self.options.disabled ) {
+					return;
+				}
+
+				clearTimeout( self.searching );
+				// clicks on the menu (or a button to trigger a search) will cause a blur event
+				self.closing = setTimeout(function() {
+					self.close( event );
+					self._change( event );
+				}, 150 );
+			});
+		this._initSource();
+		this.response = function() {
+			return self._response.apply( self, arguments );
+		};
+		this.menu = $( "<ul></ul>" )
+			.addClass( "ui-autocomplete" )
+			.appendTo( $( this.options.appendTo || "body", doc )[0] )
+			// prevent the close-on-blur in case of a "slow" click on the menu (long mousedown)
+			.mousedown(function( event ) {
+				// clicking on the scrollbar causes focus to shift to the body
+				// but we can't detect a mouseup or a click immediately afterward
+				// so we have to track the next mousedown and close the menu if
+				// the user clicks somewhere outside of the autocomplete
+				var menuElement = self.menu.element[ 0 ];
+				if ( !$( event.target ).closest( ".ui-menu-item" ).length ) {
+					setTimeout(function() {
+						$( document ).one( 'mousedown', function( event ) {
+							if ( event.target !== self.element[ 0 ] &&
+								event.target !== menuElement &&
+								!$.ui.contains( menuElement, event.target ) ) {
+								self.close();
+							}
+						});
+					}, 1 );
+				}
+
+				// use another timeout to make sure the blur-event-handler on the input was already triggered
+				setTimeout(function() {
+					clearTimeout( self.closing );
+				}, 13);
+			})
+			.menu({
+				focus: function( event, ui ) {
+					var item = ui.item.data( "item.autocomplete" );
+					if ( false !== self._trigger( "focus", event, { item: item } ) ) {
+						// use value to match what will end up in the input, if it was a key event
+						if ( /^key/.test(event.originalEvent.type) ) {
+							self.element.val( item.value );
+						}
+					}
+				},
+				selected: function( event, ui ) {
+					var item = ui.item.data( "item.autocomplete" ),
+						previous = self.previous;
+
+					// only trigger when focus was lost (click on menu)
+					if ( self.element[0] !== doc.activeElement ) {
+						self.element.focus();
+						self.previous = previous;
+						// #6109 - IE triggers two focus events and the second
+						// is asynchronous, so we need to reset the previous
+						// term synchronously and asynchronously :-(
+						setTimeout(function() {
+							self.previous = previous;
+							self.selectedItem = item;
+						}, 1);
+					}
+
+					if ( false !== self._trigger( "select", event, { item: item } ) ) {
+						self.element.val( item.value );
+					}
+					// reset the term after the select event
+					// this allows custom select handling to work properly
+					self.term = self.element.val();
+
+					self.close( event );
+					self.selectedItem = item;
+				},
+				blur: function( event, ui ) {
+					// don't set the value of the text field if it's already correct
+					// this prevents moving the cursor unnecessarily
+					if ( self.menu.element.is(":visible") &&
+						( self.element.val() !== self.term ) ) {
+						self.element.val( self.term );
+					}
+				}
+			})
+			.zIndex( this.element.zIndex() + 1 )
+			// workaround for jQuery bug #5781 http://dev.jquery.com/ticket/5781
+			.css({ top: 0, left: 0 })
+			.hide()
+			.data( "menu" );
+		if ( $.fn.bgiframe ) {
+			 this.menu.element.bgiframe();
+		}
+	},
+
+	destroy: function() {
+		this.element
+			.removeClass( "ui-autocomplete-input" )
+			.removeAttr( "autocomplete" )
+			.removeAttr( "role" )
+			.removeAttr( "aria-autocomplete" )
+			.removeAttr( "aria-haspopup" );
+		this.menu.element.remove();
+		$.Widget.prototype.destroy.call( this );
+	},
+
+	_setOption: function( key, value ) {
+		$.Widget.prototype._setOption.apply( this, arguments );
+		if ( key === "source" ) {
+			this._initSource();
+		}
+		if ( key === "appendTo" ) {
+			this.menu.element.appendTo( $( value || "body", this.element[0].ownerDocument )[0] )
+		}
+		if ( key === "disabled" && value && this.xhr ) {
+			this.xhr.abort();
+		}
+	},
+
+	_initSource: function() {
+		var self = this,
+			array,
+			url;
+		if ( $.isArray(this.options.source) ) {
+			array = this.options.source;
+			this.source = function( request, response ) {
+				response( $.ui.autocomplete.filter(array, request.term) );
+			};
+		} else if ( typeof this.options.source === "string" ) {
+			url = this.options.source;
+			this.source = function( request, response ) {
+				if ( self.xhr ) {
+					self.xhr.abort();
+				}
+				self.xhr = $.ajax({
+					url: url,
+					data: request,
+					dataType: "json",
+					autocompleteRequest: ++requestIndex,
+					success: function( data, status ) {
+						if ( this.autocompleteRequest === requestIndex ) {
+							response( data );
+						}
+					},
+					error: function() {
+						if ( this.autocompleteRequest === requestIndex ) {
+							response( [] );
+						}
+					}
+				});
+			};
+		} else {
+			this.source = this.options.source;
+		}
+	},
+
+	search: function( value, event ) {
+		value = value != null ? value : this.element.val();
+
+		// always save the actual value, not the one passed as an argument
+		this.term = this.element.val();
+
+		if ( value.length < this.options.minLength ) {
+			return this.close( event );
+		}
+
+		clearTimeout( this.closing );
+		if ( this._trigger( "search", event ) === false ) {
+			return;
+		}
+
+		return this._search( value );
+	},
+
+	_search: function( value ) {
+		this.pending++;
+		this.element.addClass( "ui-autocomplete-loading" );
+
+		this.source( { term: value }, this.response );
+	},
+
+	_response: function( content ) {
+		if ( !this.options.disabled && content && content.length ) {
+			content = this._normalize( content );
+			this._suggest( content );
+			this._trigger( "open" );
+		} else {
+			this.close();
+		}
+		this.pending--;
+		if ( !this.pending ) {
+			this.element.removeClass( "ui-autocomplete-loading" );
+		}
+	},
+
+	close: function( event ) {
+		clearTimeout( this.closing );
+		if ( this.menu.element.is(":visible") ) {
+			this.menu.element.hide();
+			this.menu.deactivate();
+			this._trigger( "close", event );
+		}
+	},
+	
+	_change: function( event ) {
+		if ( this.previous !== this.element.val() ) {
+			this._trigger( "change", event, { item: this.selectedItem } );
+		}
+	},
+
+	_normalize: function( items ) {
+		// assume all items have the right format when the first item is complete
+		if ( items.length && items[0].label && items[0].value ) {
+			return items;
+		}
+		return $.map( items, function(item) {
+			if ( typeof item === "string" ) {
+				return {
+					label: item,
+					value: item
+				};
+			}
+			return $.extend({
+				label: item.label || item.value,
+				value: item.value || item.label
+			}, item );
+		});
+	},
+
+	_suggest: function( items ) {
+		var ul = this.menu.element
+			.empty()
+			.zIndex( this.element.zIndex() + 1 );
+		this._renderMenu( ul, items );
+		// TODO refresh should check if the active item is still in the dom, removing the need for a manual deactivate
+		this.menu.deactivate();
+		this.menu.refresh();
+
+		// size and position menu
+		ul.show();
+		this._resizeMenu();
+		ul.position( $.extend({
+			of: this.element
+		}, this.options.position ));
+
+		if ( this.options.autoFocus ) {
+			this.menu.next( new $.Event("mouseover") );
+		}
+	},
+
+	_resizeMenu: function() {
+		var ul = this.menu.element;
+		ul.outerWidth( Math.max(
+			ul.width( "" ).outerWidth(),
+			this.element.outerWidth()
+		) );
+	},
+
+	_renderMenu: function( ul, items ) {
+		var self = this;
+		$.each( items, function( index, item ) {
+			self._renderItem( ul, item );
+		});
+	},
+
+	_renderItem: function( ul, item) {
+		return $( "<li></li>" )
+			.data( "item.autocomplete", item )
+			.append( $( "<a></a>" ).text( item.label ) )
+			.appendTo( ul );
+	},
+
+	_move: function( direction, event ) {
+		if ( !this.menu.element.is(":visible") ) {
+			this.search( null, event );
+			return;
+		}
+		if ( this.menu.first() && /^previous/.test(direction) ||
+				this.menu.last() && /^next/.test(direction) ) {
+			this.element.val( this.term );
+			this.menu.deactivate();
+			return;
+		}
+		this.menu[ direction ]( event );
+	},
+
+	widget: function() {
+		return this.menu.element;
+	}
+});
+
+$.extend( $.ui.autocomplete, {
+	escapeRegex: function( value ) {
+		return value.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
+	},
+	filter: function(array, term) {
+		var matcher = new RegExp( $.ui.autocomplete.escapeRegex(term), "i" );
+		return $.grep( array, function(value) {
+			return matcher.test( value.label || value.value || value );
+		});
+	}
+});
+
+}( jQuery ));
+
+/*
+ * jQuery UI Menu (not officially released)
+ * 
+ * This widget isn't yet finished and the API is subject to change. We plan to finish
+ * it for the next release. You're welcome to give it a try anyway and give us feedback,
+ * as long as you're okay with migrating your code later on. We can help with that, too.
+ *
+ * Copyright 2010, AUTHORS.txt (http://jqueryui.com/about)
+ * Dual licensed under the MIT or GPL Version 2 licenses.
+ * http://jquery.org/license
+ *
+ * http://docs.jquery.com/UI/Menu
+ *
+ * Depends:
+ *	jquery.ui.core.js
+ *  jquery.ui.widget.js
+ */
+(function($) {
+
+$.widget("ui.menu", {
+	_create: function() {
+		var self = this;
+		this.element
+			.addClass("ui-menu ui-widget ui-widget-content ui-corner-all")
+			.attr({
+				role: "listbox",
+				"aria-activedescendant": "ui-active-menuitem"
+			})
+			.click(function( event ) {
+				if ( !$( event.target ).closest( ".ui-menu-item a" ).length ) {
+					return;
+				}
+				// temporary
+				event.preventDefault();
+				self.select( event );
+			});
+		this.refresh();
+	},
+	
+	refresh: function() {
+		var self = this;
+
+		// don't refresh list items that are already adapted
+		var items = this.element.children("li:not(.ui-menu-item):has(a)")
+			.addClass("ui-menu-item")
+			.attr("role", "menuitem");
+		
+		items.children("a")
+			.addClass("ui-corner-all")
+			.attr("tabindex", -1)
+			// mouseenter doesn't work with event delegation
+			.mouseenter(function( event ) {
+				self.activate( event, $(this).parent() );
+			})
+			.mouseleave(function() {
+				self.deactivate();
+			});
+	},
+
+	activate: function( event, item ) {
+		this.deactivate();
+		if (this.hasScroll()) {
+			var offset = item.offset().top - this.element.offset().top,
+				scroll = this.element.scrollTop(),
+				elementHeight = this.element.height();
+			if (offset < 0) {
+				this.element.scrollTop( scroll + offset);
+			} else if (offset >= elementHeight) {
+				this.element.scrollTop( scroll + offset - elementHeight + item.height());
+			}
+		}
+		this.active = item.eq(0)
+			.children("a")
+				.addClass("ui-state-hover")
+				.attr("id", "ui-active-menuitem")
+			.end();
+		this._trigger("focus", event, { item: item });
+	},
+
+	deactivate: function() {
+		if (!this.active) { return; }
+
+		this.active.children("a")
+			.removeClass("ui-state-hover")
+			.removeAttr("id");
+		this._trigger("blur");
+		this.active = null;
+	},
+
+	next: function(event) {
+		this.move("next", ".ui-menu-item:first", event);
+	},
+
+	previous: function(event) {
+		this.move("prev", ".ui-menu-item:last", event);
+	},
+
+	first: function() {
+		return this.active && !this.active.prevAll(".ui-menu-item").length;
+	},
+
+	last: function() {
+		return this.active && !this.active.nextAll(".ui-menu-item").length;
+	},
+
+	move: function(direction, edge, event) {
+		if (!this.active) {
+			this.activate(event, this.element.children(edge));
+			return;
+		}
+		var next = this.active[direction + "All"](".ui-menu-item").eq(0);
+		if (next.length) {
+			this.activate(event, next);
+		} else {
+			this.activate(event, this.element.children(edge));
+		}
+	},
+
+	// TODO merge with previousPage
+	nextPage: function(event) {
+		if (this.hasScroll()) {
+			// TODO merge with no-scroll-else
+			if (!this.active || this.last()) {
+				this.activate(event, this.element.children(".ui-menu-item:first"));
+				return;
+			}
+			var base = this.active.offset().top,
+				height = this.element.height(),
+				result = this.element.children(".ui-menu-item").filter(function() {
+					var close = $(this).offset().top - base - height + $(this).height();
+					// TODO improve approximation
+					return close < 10 && close > -10;
+				});
+
+			// TODO try to catch this earlier when scrollTop indicates the last page anyway
+			if (!result.length) {
+				result = this.element.children(".ui-menu-item:last");
+			}
+			this.activate(event, result);
+		} else {
+			this.activate(event, this.element.children(".ui-menu-item")
+				.filter(!this.active || this.last() ? ":first" : ":last"));
+		}
+	},
+
+	// TODO merge with nextPage
+	previousPage: function(event) {
+		if (this.hasScroll()) {
+			// TODO merge with no-scroll-else
+			if (!this.active || this.first()) {
+				this.activate(event, this.element.children(".ui-menu-item:last"));
+				return;
+			}
+
+			var base = this.active.offset().top,
+				height = this.element.height();
+				result = this.element.children(".ui-menu-item").filter(function() {
+					var close = $(this).offset().top - base + height - $(this).height();
+					// TODO improve approximation
+					return close < 10 && close > -10;
+				});
+
+			// TODO try to catch this earlier when scrollTop indicates the last page anyway
+			if (!result.length) {
+				result = this.element.children(".ui-menu-item:first");
+			}
+			this.activate(event, result);
+		} else {
+			this.activate(event, this.element.children(".ui-menu-item")
+				.filter(!this.active || this.first() ? ":last" : ":first"));
+		}
+	},
+
+	hasScroll: function() {
+		return this.element.height() < this.element[ $.fn.prop ? "prop" : "attr" ]("scrollHeight");
+	},
+
+	select: function( event ) {
+		this._trigger("selected", event, { item: this.active });
+	}
+});
+
+}(jQuery));