META-INF.resources.primefaces.core.core.expressions.js Maven / Gradle / Ivy

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PrimeFaces.expressions = {};

PrimeFaces.expressions.SearchExpressionFacade = {

	resolveComponentsAsSelector: function(expressions) {

		var splittedExpressions = PrimeFaces.expressions.SearchExpressionFacade.splitExpressions(expressions);
		var elements = $();

		if (splittedExpressions) {
			for (var i = 0; i < splittedExpressions.length; ++i) {
				var expression =  $.trim(splittedExpressions[i]);
				if (expression.length > 0) {

					// skip unresolvable keywords
					if (expression == '@none' || expression == '@all') {
						continue;
					}

					// just a id
					if (expression.indexOf("@") == -1) {
						elements = elements.add(
								$(document.getElementById(expression)));
					}
					// @widget
					else if (expression.indexOf("@widgetVar(") == 0) {
						var widgetVar = expression.substring(11, expression.length - 1);
						var widget = PrimeFaces.widgets[widgetVar];

						if (widget) {
							elements = elements.add(
									$(document.getElementById(widget.id)));
						} else {
							PrimeFaces.error("Widget for widgetVar \"" + widgetVar + "\" not avaiable");
						}
					}
					// PFS
					else if (expression.indexOf("@(") == 0) {
						//converts pfs to jq selector e.g. @(div.mystyle :input) to div.mystyle :input
						elements = elements.add(
								$(expression.substring(2, expression.length - 1)));
					}
				}
			}
		}

		return elements;
	},

	resolveComponents: function(expressions) {
		var splittedExpressions = PrimeFaces.expressions.SearchExpressionFacade.splitExpressions(expressions),
		ids = [];

		if (splittedExpressions) {
			for (var i = 0; i < splittedExpressions.length; ++i) {
				var expression =  $.trim(splittedExpressions[i]);
				if (expression.length > 0) {

					// just a id or passtrough keywords
					if (expression.indexOf("@") == -1 || expression == '@none' || expression == '@all') {
						if (!PrimeFaces.inArray(ids, expression)) {
							ids.push(expression);
						}
					}
					// @widget
					else if (expression.indexOf("@widgetVar(") == 0) {
						var widgetVar = expression.substring(11, expression.length - 1),
						widget = PrimeFaces.widgets[widgetVar];

						if (widget) {
							if (!PrimeFaces.inArray(ids, widget.id)) {
								ids.push(widget.id);
							}
						} else {
							PrimeFaces.error("Widget for widgetVar \"" + widgetVar + "\" not avaiable");
						}
					}
					// PFS
					else if (expression.indexOf("@(") == 0) {
						//converts pfs to jq selector e.g. @(div.mystyle :input) to div.mystyle :input
						var elements = $(expression.substring(2, expression.length - 1));

						for (var j = 0; j < elements.length; j++) {
							var element = $(elements[j]),
							clientId = element.data(PrimeFaces.CLIENT_ID_DATA) || element.attr('id');

							if (!PrimeFaces.inArray(ids, clientId)) {
								ids.push(clientId);
							}
						}
					}
				}
			}
		}

		return ids;
	},

	splitExpressions: function(expression) {

		if (PrimeFaces.isIE(7)) {
			expression = expression.split('');
		}

		var expressions = [];
		var buffer = '';

		var parenthesesCounter = 0;

		for (var i = 0; i < expression.length; i++) {
			var c = expression[i];

			if (c === '(') {
				parenthesesCounter++;
			}

			if (c === ')') {
				parenthesesCounter--;
			}

			if ((c === ' ' || c === ',') && parenthesesCounter === 0) {
				// lets add token inside buffer to our tokens
				expressions.push(buffer);
				// now we need to clear buffer
				buffer = '';
			} else {
				buffer += c;
			}
		}

		// lets not forget about part after the separator
		expressions.push(buffer);

		return expressions;
	}	
};