diff options
Diffstat (limited to 'webapps/qooxdoo-0.6.3-sdk/frontend/framework/source/class/qx/client/Builder.js')
| -rw-r--r-- | webapps/qooxdoo-0.6.3-sdk/frontend/framework/source/class/qx/client/Builder.js | 478 |
1 files changed, 0 insertions, 478 deletions
diff --git a/webapps/qooxdoo-0.6.3-sdk/frontend/framework/source/class/qx/client/Builder.js b/webapps/qooxdoo-0.6.3-sdk/frontend/framework/source/class/qx/client/Builder.js deleted file mode 100644 index 03156282f5..0000000000 --- a/webapps/qooxdoo-0.6.3-sdk/frontend/framework/source/class/qx/client/Builder.js +++ /dev/null @@ -1,478 +0,0 @@ -/* ************************************************************************ - - qooxdoo - the new era of web development - - http://qooxdoo.org - - Copyright: - 2004-2006 by 1&1 Internet AG, Germany, http://www.1and1.org - - License: - LGPL 2.1: http://www.gnu.org/licenses/lgpl.html - - Authors: - * Sebastian Werner (wpbasti) - * Andreas Ecker (ecker) - -************************************************************************ */ - -/* ************************************************************************ - - -************************************************************************ */ - -/*! - A class to generate a widget hierarchy from XML - - qx.client.Builder is not thread safe by design - - state information is stored at the instance level - - only use it from a single thread -*/ -qx.OO.defineClass("qx.client.Builder", qx.core.Target, -function(flags) -{ - qx.core.Target.call(this); - - // map<className, map<propertyName, function>> - this._propertyEditors = {}; - - this._registerDefaultPropertyEditors(); - - this._flags = flags || {}; - - // ensure the default flags are setup - if (this._flags.strict == null) { - // strick mode throws exceptions when - // * widget setters don't exist - this._flags.strict = true; - } - -}); - -/* ------------------------------------------------------------------------------------- - BUILD ------------------------------------------------------------------------------------- -*/ - -/*! - Asynchronous method - fetches XML data from the URL then delegates to build to process the xml - Dispatches a qx.event.type.Event("done") after the hierarchy is built -*/ -qx.Proto.buildFromUrl = function(parent, url) { - var req = new qx.io.remote.Request(url, "GET", "application/xml"); - var self = this; - req.addEventListener("completed", function(e) { - self.build(parent, e.getData().getContent()); - qx.ui.core.Widget.flushGlobalQueues(); - }); - req.send(); -} - -/*! - parse the children of the xml and appending all widgets to the parent widget - @param parent can either be the application instance, or a widget to append the xml toplevel widgets to - @param node can be either a xml string, or a xml dom document or fragment -*/ -qx.Proto.build = function(parent, node) { - // support embedding of an XML string within a textarea - if (typeof node == "object" && node.nodeName == 'TEXTAREA') { - node = node.value; - } - - // parse strings in to XML DOM - if (typeof node == "string") { - var parser = new DOMParser(); - node = parser.parseFromString(node, "text/xml"); - // TODO handle parse errors - } - this._buildNodes(parent, node.childNodes); -} - -qx.Proto._buildNodes = function(parent, nodes) { - var x = 0; - for (var i = 0; i < nodes.length; i++) { - var n = nodes[i]; - // 1 = ELEMENT_NODE - if (n.nodeType == 1) { - this._buildWidgetFromNode(parent, n); - } - } -} - -qx.Proto._buildEventListener = function(widget, args, text) { - if (qx.util.Validation.isInvalidString(args.type)) { - throw this._newError('eventListener requires a string type attribute'); - } - - var self = this; - - // are we delegating ? - if (qx.util.Validation.isValidString(args.delegate)) { - - if (args.delegate.indexOf('.') > -1) { - // delegation to a global method - var p = args.delegate.split('.'); - var o = p[0]; - var m = p[1]; - widget.addEventListener(args.type, function(e) { - - if (!window[o]) { - throw self._newError('delegate not found', {delegate:args.delegate}); - } - - if (!window[o][m]) { - throw self._newError('delegate not found', {delegate:args.delegate}); - } - - window[o][m].apply(window[o], [e]); - }); - } - else { - - // delegation to a global method - widget.addEventListener(args.type, function(e) { - - if (!window[args.delegate]) { - throw self._newError('delegate not found', {delegate:args.delegate}); - } - - window[args.delegate].apply(null, [e]); - }); - } - } - else { - - // build a function object using text as the function body - // - // the args attribute indicates the name of the event argument - // if not provided - use 'event' as the name - if (!args.args) { - args.args = "event"; - } - - var f = new Function(args.args, text); - widget.addEventListener(args.type, f); - } -} - - -/* - a node builder that will be used if no node builder is declared for a nodeName -*/ -qx.Proto._buildWidgetFromNode = function(parent, node) { - - var className = this._extractClassName(node); - - if (!className) { - throw this._newError("unrecognised node", {nodeName:node.nodeName}); - } - - if (className == "qx.client.builder.Container") { - // generic container node to allow xml to contain multiple toplevel nodes - this._buildNodes(parent, node.childNodes); - return; - } - - if (className == "qx.client.builder.Script") { - var e = document.createElement("script"); - var attribs = this._mapXmlAttribToObject(node); - if (attribs.type) { - e.type = attribs.type; - } - else { - e.type='text/javascript'; - } - - // e.innerHTML = node.firstChild.nodeValue; - - // fix for Internet Explorer by Cristian Bica - if (qx.sys.Client.getInstance().isMshtml()) - { - e.innerHTML = eval(node.firstChild.nodeValue); - } - else - { - e.innerHTML = node.firstChild.nodeValue; - } - - document.body.appendChild(e); - return; - } - - if (className == "qx.client.builder.EventListener") { - var attribs = this._mapXmlAttribToObject(node); - var text; - if (node.firstChild) { - text = node.firstChild.nodeValue; - } - this._buildEventListener(parent, attribs, text); - return; - } - - - var classConstructor = qx.OO.classes[className]; - if (!classConstructor) { - throw this._newError("constructor not found", {className:className}); - } - - // construct the widget instance - using the default constructor - var widget = new classConstructor(); - var attribs = this._mapXmlAttribToObject(node, widget); - delete attribs['qxtype']; - - var dummyWidget = attribs.id && attribs.id.indexOf("_") == 0; - - if (attribs.id) { - // register a global refrence for this widget - window[attribs.id] = widget; - delete attribs.id; - } - - // convert any on?? attribs into event listeners - for (var a in attribs) { - - if (a.toLowerCase().indexOf('on') == 0 && a.length > 2) { - - // there may be issues here for XHTML based attributes - due to their case - var type = a.substring(2); - type = type.charAt(0) + type.substring(1); - - this._buildEventListener(widget, {type:type,args:'event'}, attribs[a]); - - delete attribs[a]; - } - } - - for (var n in attribs) { - this._setWidgetProperty(widget, n, attribs[n]); - } - - if(!dummyWidget) { - parent.add(widget); - } - - // recurse to all of the nodes children, using the newly created widget as the parent - this._buildNodes(widget, node.childNodes); -} - -/* ------------------------------------------------------------------------------------- - WIDGET PROPERTIES ------------------------------------------------------------------------------------- -*/ - - -/*! - Set a widget's property using a propertyEditor -*/ -qx.Proto._setWidgetProperty = function(widget, name, value) { - var editor = this._findPropertyEditor(widget.classname, name); - if (!editor) { - editor = this._coercePropertyEditor; - } - editor.set(widget, name, value); -} - -qx.Proto._findPropertyEditor = function(className, propertyName) { - // get all defined propertyEditors for this widget's prototype - var m = this._propertyEditors[className]; - // lookup the converter for this property name - if (m && m[propertyName]) { - return m[propertyName]; - } - - // try the widget's superclass - var w = qx.OO.classes[className]; - if (w && w.superclass && w.superclass.prototype.classname) { - return this._findPropertyEditor(w.superclass.prototype.classname, propertyName); - } - - return null; -} - -qx.Proto.registerPropertyEditor = function(className, propertyName, editor) { - if (!this._propertyEditors[className]) this._propertyEditors[className] = {}; - this._propertyEditors[className][propertyName] = editor; -} - -qx.Proto._registerDefaultPropertyEditors = function() { - var self = this; - - // a property editor that splits the values on a comma and coerces each one into a suitable type - var commaDelimitedPropertyEditor = {}; - commaDelimitedPropertyEditor.set = function(widget, name, value) { - if (value == null || value == "") { - self._setProperty(widget, name, null); - return; - } - - var s = value.split(","); - var v = []; - for (var i = 0; i < s.length; i++) { - v[i] = self._coerce(s[i]); - } - - self._setProperties(widget, name, v); - } - - var evalPropertyEditor = {}; - evalPropertyEditor.set = function(widget, name, value) { - if (value == null || value == "") { - self._setProperty(widget, name, null); - return; - } - - self._setProperty(widget, name, eval(value)); - } - - var referencePropertyEditor = {}; - referencePropertyEditor.set = function(widget, name, value) { - self._setProperty(widget, name, window[value]); - } - - this.registerPropertyEditor('qx.ui.core.Widget', 'location', commaDelimitedPropertyEditor); - this.registerPropertyEditor('qx.ui.core.Widget', 'dimension', commaDelimitedPropertyEditor); - - this.registerPropertyEditor('qx.ui.core.Widget', 'space', commaDelimitedPropertyEditor); - this.registerPropertyEditor('qx.ui.core.Widget', 'edge', commaDelimitedPropertyEditor); - - this.registerPropertyEditor('qx.ui.core.Widget', 'padding', commaDelimitedPropertyEditor); - this.registerPropertyEditor('qx.ui.core.Widget', 'margin', commaDelimitedPropertyEditor); - - this.registerPropertyEditor('qx.ui.core.Widget', 'heights', commaDelimitedPropertyEditor); - this.registerPropertyEditor('qx.ui.core.Widget', 'widths', commaDelimitedPropertyEditor); - - this.registerPropertyEditor('qx.ui.core.Widget', 'align', commaDelimitedPropertyEditor); - this.registerPropertyEditor('qx.ui.core.Widget', 'stretch', commaDelimitedPropertyEditor); - - this.registerPropertyEditor('qx.ui.core.Widget', 'clipLocation', commaDelimitedPropertyEditor); - this.registerPropertyEditor('qx.ui.core.Widget', 'clipDimension', commaDelimitedPropertyEditor); - this.registerPropertyEditor('qx.ui.core.Widget', 'clip', commaDelimitedPropertyEditor); - - this.registerPropertyEditor('qx.ui.core.Widget', 'backgroundColor', evalPropertyEditor); - this.registerPropertyEditor('qx.ui.core.Widget', 'color', evalPropertyEditor); - this.registerPropertyEditor('qx.ui.core.Widget', 'border', evalPropertyEditor); - - - this.registerPropertyEditor('qx.ui.menu.Button', 'menu', referencePropertyEditor); - this.registerPropertyEditor('qx.ui.form.RadioButton', 'manager', referencePropertyEditor); - this.registerPropertyEditor('qx.ui.menu.RadioButton', 'group', referencePropertyEditor); - - - // a property editor that just tries to coerce the string value into a suitable type - this._coercePropertyEditor = {}; - this._coercePropertyEditor.set = function(widget, name, value) { - self._setProperty(widget, name, self._coerce(value)); - } - -} - - -qx.Proto._coerce = function(value) { - - // don't really care if its null - if (value == null) return value; - - // is it alreay a javascript type - if (typeof value == 'object') return value; - if (typeof value == 'function') return value; - if (typeof value == 'number') return value; - if (typeof value == 'boolean') return value; - if (typeof value == 'date') return value; - if (typeof value == 'array') return value; - - // is it a number ? - var n = new Number(value); - if (!isNaN(n)) return n.valueOf(); - - // is it a boolean ? - if (value == "true") return true; - if (value == "false") return false; - - // is it a date ? - var d = Date.parse(value); - if (d != null && !isNaN(d)) return d; - - // leave it as a string - if (typeof value == 'string') { - // convert empty string into null - if (value == "") return null; - } - - return value; -} - -qx.Proto._setProperty = function(widget, name, value) { - this._setProperties(widget, name, [value]); -} - -qx.Proto._setProperties = function(widget, name, value) { - - // TODO : find a cheaper way to find the setter - // NOTE : the name is LOWERCASE - hence we iterate all properties of the widget - // to try and find a matching one - var n = "set" + name; - for (var a in widget) { - if (n == a.toLowerCase()) { - var setter = widget[a]; - break; - } - } - if (!setter && this._flags.strict) throw this._newError('no setter defined on widget instance', {widget:widget, property:name}); - setter.apply(widget, value); -} - - -/* ------------------------------------------------------------------------------------- - UTILS ------------------------------------------------------------------------------------- -*/ - -/* -2 format -1. <qx.ui.basic.Atom/> -3. <div qxtype="qx.ui.basic.Atom"/> -*/ -qx.Proto._extractClassName = function(node) { - if (node.nodeName.toLowerCase() == "div") { - if (!node.attributes['qxtype']) - return null; - return node.attributes['qxtype'].value; - } else { - return node.nodeName; - } -} - -qx.Proto._mapXmlAttribToObject = function(node) { - var r = {}; - var c = node.attributes; - for (var i=0; i<c.length; i++) { - r[c[i].name.toLowerCase()] = c[i].value; - } - return r; -} - -/* ------------------------------------------------------------------------------------- - EXCEPTION HANDLING / DEBUGGING ------------------------------------------------------------------------------------- -*/ - -qx.Proto._newError = function(message, data, exception) { - var m = message; - var joiner = ""; - var d = ""; - if (data) { - for (var p in data) { - d += joiner + p + "=" + data[p] + ''; - joiner = " "; - } - m += " " + d + " "; - } - if (exception) { - m+= " error: " + exception + " "; - } - return new Error(m); -} |