Diffstat (limited to 'frontend/delta/js/MochiKit/Selector.js') (more/less context) (ignore whitespace changes)
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1 files changed, 416 insertions, 0 deletions
diff --git a/frontend/delta/js/MochiKit/Selector.js b/frontend/delta/js/MochiKit/Selector.js new file mode 100644 index 0000000..2719b13 --- a/dev/null +++ b/frontend/delta/js/MochiKit/Selector.js @@ -0,0 +1,416 @@ +/* + +Copyright 2008-2013 Clipperz Srl + +This file is part of Clipperz, the online password manager. +For further information about its features and functionalities please +refer to http://www.clipperz.com. + +* Clipperz is free software: you can redistribute it and/or modify it + under the terms of the GNU Affero General Public License as published + by the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + +* Clipperz is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + See the GNU Affero General Public License for more details. + +* You should have received a copy of the GNU Affero General Public + License along with Clipperz. If not, see http://www.gnu.org/licenses/. + +*/ + +/*** + +MochiKit.Selector 1.5 + +See <http://mochikit.com/> for documentation, downloads, license, etc. + +(c) 2005 Bob Ippolito and others. All rights Reserved. + +***/ + +MochiKit.Base.module(MochiKit, 'Selector', '1.5', ['Base', 'DOM', 'Iter']); + +MochiKit.Selector.Selector = function (expression) { + this.params = {classNames: [], pseudoClassNames: []}; + this.expression = expression.toString().replace(/(^\s+|\s+$)/g, ''); + this.parseExpression(); + this.compileMatcher(); +}; + +MochiKit.Selector.Selector.prototype = { + /*** + + Selector class: convenient object to make CSS selections. + + ***/ + __class__: MochiKit.Selector.Selector, + + /** @id MochiKit.Selector.Selector.prototype.parseExpression */ + parseExpression: function () { + function abort(message) { + throw 'Parse error in selector: ' + message; + } + + if (this.expression == '') { + abort('empty expression'); + } + + var repr = MochiKit.Base.repr; + var params = this.params; + var expr = this.expression; + var match, modifier, clause, rest; + while (match = expr.match(/^(.*)\[([a-z0-9_:-]+?)(?:([~\|!^$*]?=)(?:"([^"]*)"|([^\]\s]*)))?\]$/i)) { + params.attributes = params.attributes || []; + params.attributes.push({name: match[2], operator: match[3], value: match[4] || match[5] || ''}); + expr = match[1]; + } + + if (expr == '*') { + return this.params.wildcard = true; + } + + while (match = expr.match(/^([^a-z0-9_-])?([a-z0-9_-]+(?:\([^)]*\))?)(.*)/i)) { + modifier = match[1]; + clause = match[2]; + rest = match[3]; + switch (modifier) { + case '#': + params.id = clause; + break; + case '.': + params.classNames.push(clause); + break; + case ':': + params.pseudoClassNames.push(clause); + break; + case '': + case undefined: + params.tagName = clause.toUpperCase(); + break; + default: + abort(repr(expr)); + } + expr = rest; + } + + if (expr.length > 0) { + abort(repr(expr)); + } + }, + + /** @id MochiKit.Selector.Selector.prototype.buildMatchExpression */ + buildMatchExpression: function () { + var repr = MochiKit.Base.repr; + var params = this.params; + var conditions = []; + var clause, i; + + function childElements(element) { + return "MochiKit.Base.filter(function (node) { return node.nodeType == 1; }, " + element + ".childNodes)"; + } + + if (params.wildcard) { + conditions.push('true'); + } + if (clause = params.id) { + conditions.push('element.id == ' + repr(clause)); + } + if (clause = params.tagName) { + conditions.push('element.tagName.toUpperCase() == ' + repr(clause)); + } + if ((clause = params.classNames).length > 0) { + for (i = 0; i < clause.length; i++) { + conditions.push('MochiKit.DOM.hasElementClass(element, ' + repr(clause[i]) + ')'); + } + } + if ((clause = params.pseudoClassNames).length > 0) { + for (i = 0; i < clause.length; i++) { + var match = clause[i].match(/^([^(]+)(?:\((.*)\))?$/); + var pseudoClass = match[1]; + var pseudoClassArgument = match[2]; + switch (pseudoClass) { + case 'root': + conditions.push('element.nodeType == 9 || element === element.ownerDocument.documentElement'); break; + case 'nth-child': + case 'nth-last-child': + case 'nth-of-type': + case 'nth-last-of-type': + match = pseudoClassArgument.match(/^((?:(\d+)n\+)?(\d+)|odd|even)$/); + if (!match) { + throw "Invalid argument to pseudo element nth-child: " + pseudoClassArgument; + } + var a, b; + if (match[0] == 'odd') { + a = 2; + b = 1; + } else if (match[0] == 'even') { + a = 2; + b = 0; + } else { + a = match[2] && parseInt(match, 10) || null; + b = parseInt(match[3], 10); + } + conditions.push('this.nthChild(element,' + a + ',' + b + + ',' + !!pseudoClass.match('^nth-last') // Reverse + + ',' + !!pseudoClass.match('of-type$') // Restrict to same tagName + + ')'); + break; + case 'first-child': + conditions.push('this.nthChild(element, null, 1)'); + break; + case 'last-child': + conditions.push('this.nthChild(element, null, 1, true)'); + break; + case 'first-of-type': + conditions.push('this.nthChild(element, null, 1, false, true)'); + break; + case 'last-of-type': + conditions.push('this.nthChild(element, null, 1, true, true)'); + break; + case 'only-child': + conditions.push(childElements('element.parentNode') + '.length == 1'); + break; + case 'only-of-type': + conditions.push('MochiKit.Base.filter(function (node) { return node.tagName == element.tagName; }, ' + childElements('element.parentNode') + ').length == 1'); + break; + case 'empty': + conditions.push('element.childNodes.length == 0'); + break; + case 'enabled': + conditions.push('(this.isUIElement(element) && element.disabled === false)'); + break; + case 'disabled': + conditions.push('(this.isUIElement(element) && element.disabled === true)'); + break; + case 'checked': + conditions.push('(this.isUIElement(element) && element.checked === true)'); + break; + case 'not': + var subselector = new MochiKit.Selector.Selector(pseudoClassArgument); + conditions.push('!( ' + subselector.buildMatchExpression() + ')'); + break; + } + } + } + if (clause = params.attributes) { + MochiKit.Base.map(function (attribute) { + var value = 'MochiKit.DOM.getNodeAttribute(element, ' + repr(attribute.name) + ')'; + var splitValueBy = function (delimiter) { + return value + '.split(' + repr(delimiter) + ')'; + }; + conditions.push(value + ' != null'); + switch (attribute.operator) { + case '=': + conditions.push(value + ' == ' + repr(attribute.value)); + break; + case '~=': + conditions.push('MochiKit.Base.findValue(' + splitValueBy(' ') + ', ' + repr(attribute.value) + ') > -1'); + break; + case '^=': + conditions.push(value + '.substring(0, ' + attribute.value.length + ') == ' + repr(attribute.value)); + break; + case '$=': + conditions.push(value + '.substring(' + value + '.length - ' + attribute.value.length + ') == ' + repr(attribute.value)); + break; + case '*=': + conditions.push(value + '.match(' + repr(attribute.value) + ')'); + break; + case '|=': + conditions.push(splitValueBy('-') + '[0].toUpperCase() == ' + repr(attribute.value.toUpperCase())); + break; + case '!=': + conditions.push(value + ' != ' + repr(attribute.value)); + break; + case '': + case undefined: + // Condition already added above + break; + default: + throw 'Unknown operator ' + attribute.operator + ' in selector'; + } + }, clause); + } + + return conditions.join(' && '); + }, + + /** @id MochiKit.Selector.Selector.prototype.compileMatcher */ + compileMatcher: function () { + var code = 'return (!element.tagName) ? false : ' + + this.buildMatchExpression() + ';'; + this.match = new Function('element', code); + }, + + /** @id MochiKit.Selector.Selector.prototype.nthChild */ + nthChild: function (element, a, b, reverse, sametag){ + var siblings = MochiKit.Base.filter(function (node) { + return node.nodeType == 1; + }, element.parentNode.childNodes); + if (sametag) { + siblings = MochiKit.Base.filter(function (node) { + return node.tagName == element.tagName; + }, siblings); + } + if (reverse) { + siblings = MochiKit.Iter.reversed(siblings); + } + if (a) { + var actualIndex = MochiKit.Base.findIdentical(siblings, element); + return ((actualIndex + 1 - b) / a) % 1 == 0; + } else { + return b == MochiKit.Base.findIdentical(siblings, element) + 1; + } + }, + + /** @id MochiKit.Selector.Selector.prototype.isUIElement */ + isUIElement: function (element) { + return MochiKit.Base.findValue(['input', 'button', 'select', 'option', 'textarea', 'object'], + element.tagName.toLowerCase()) > -1; + }, + + /** @id MochiKit.Selector.Selector.prototype.findElements */ + findElements: function (scope, axis) { + var element; + + if (axis == undefined) { + axis = ""; + } + + function inScope(element, scope) { + if (axis == "") { + return MochiKit.DOM.isChildNode(element, scope); + } else if (axis == ">") { + return element.parentNode === scope; + } else if (axis == "+") { + return element === nextSiblingElement(scope); + } else if (axis == "~") { + var sibling = scope; + while (sibling = nextSiblingElement(sibling)) { + if (element === sibling) { + return true; + } + } + return false; + } else { + throw "Invalid axis: " + axis; + } + } + + if (element = MochiKit.DOM.getElement(this.params.id)) { + if (this.match(element)) { + if (!scope || inScope(element, scope)) { + return [element]; + } + } + } + + function nextSiblingElement(node) { + node = node.nextSibling; + while (node && node.nodeType != 1) { + node = node.nextSibling; + } + return node; + } + + if (axis == "") { + scope = (scope || MochiKit.DOM.currentDocument()).getElementsByTagName(this.params.tagName || '*'); + } else if (axis == ">") { + if (!scope) { + throw "> combinator not allowed without preceeding expression"; + } + scope = MochiKit.Base.filter(function (node) { + return node.nodeType == 1; + }, scope.childNodes); + } else if (axis == "+") { + if (!scope) { + throw "+ combinator not allowed without preceeding expression"; + } + scope = nextSiblingElement(scope) && [nextSiblingElement(scope)]; + } else if (axis == "~") { + if (!scope) { + throw "~ combinator not allowed without preceeding expression"; + } + var newscope = []; + while (nextSiblingElement(scope)) { + scope = nextSiblingElement(scope); + newscope.push(scope); + } + scope = newscope; + } + + if (!scope) { + return []; + } + + var results = MochiKit.Base.filter(MochiKit.Base.bind(function (scopeElt) { + return this.match(scopeElt); + }, this), scope); + + return results; + }, + + /** @id MochiKit.Selector.Selector.prototype.repr */ + repr: function () { + return 'Selector(' + this.expression + ')'; + }, + + toString: MochiKit.Base.forwardCall("repr") +}; + +MochiKit.Base.update(MochiKit.Selector, { + + /** @id MochiKit.Selector.findChildElements */ + findChildElements: function (element, expressions) { + element = MochiKit.DOM.getElement(element); + var uniq = function(arr) { + var res = []; + for (var i = 0; i < arr.length; i++) { + if (MochiKit.Base.findIdentical(res, arr[i]) < 0) { + res.push(arr[i]); + } + } + return res; + }; + return MochiKit.Base.flattenArray(MochiKit.Base.map(function (expression) { + try { + var res = element.querySelectorAll(expression); + return Array.prototype.slice.call(res, 0); + } catch (ignore) { + // No querySelectorAll or extended expression syntax used + } + var nextScope = ""; + var reducer = function (results, expr) { + var match = expr.match(/^[>+~]$/); + if (match) { + nextScope = match[0]; + return results; + } else { + var selector = new MochiKit.Selector.Selector(expr); + var elements = MochiKit.Iter.reduce(function (elements, result) { + return MochiKit.Base.extend(elements, selector.findElements(result || element, nextScope)); + }, results, []); + nextScope = ""; + return elements; + } + }; + var exprs = expression.replace(/(^\s+|\s+$)/g, '').split(/\s+/); + return uniq(MochiKit.Iter.reduce(reducer, exprs, [null])); + }, expressions)); + }, + + findDocElements: function () { + return MochiKit.Selector.findChildElements(MochiKit.DOM.currentDocument(), arguments); + }, + + __new__: function () { + this.$$ = this.findDocElements; + MochiKit.Base.nameFunctions(this); + } +}); + +MochiKit.Selector.__new__(); + +MochiKit.Base._exportSymbols(this, MochiKit.Selector); |