web/data/cubicweb.js
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Fri, 17 Jun 2011 18:50:13 +0200
changeset 7534 d58a9d96aad8
parent 7284 a474cb989546
child 7649 ede740bd7077
permissions -rw-r--r--
[datafeed, cw.xml] xml now carry entity's source information, interpreted at the other end so that for instance when an entity from elo is seen when importing cwo, it's properly marked as coming from elo source if one exists


function Namespace(name) {
   this.__name__ = name;
}

cw = new Namespace('cw');

jQuery.extend(cw, {
    cubes: new Namespace('cubes'),
    /* provide a removeEventListener / detachEvent definition to
     * to bypass a jQuery 1.4.2 bug when unbind() is called on a
     * plain JS object and not a DOM node.
     * see http://dev.jquery.com/ticket/6184 for more details
     */
    removeEventListener: function() {},
    detachEvent: function() {},

    log: function () {
        var args = [];
        for (var i = 0; i < arguments.length; i++) {
            args.push(arguments[i]);
        }
        if (typeof(window) != "undefined" && window.console && window.console.log) {
            window.console.log(args.join(' '));
        }
    },

    //removed: getElementsByTagAndClassName, replaceChildNodes, toggleElementClass
    //         partial, merge, isNotEmpty, update,
    //         String.in_, String.join, list, getattr, attrgetter, methodcaller,
    //         min, max, dict, concat
    jqNode: function (node) {
    /**
     * .. function:: jqNode(node)
     *
     * safe version of jQuery('#nodeid') because we use ':' in nodeids
     * which messes with jQuery selection mechanism
     */
        if (typeof(node) == 'string') {
            node = document.getElementById(node);
        }
        if (node) {
            return $(node);
        }
        return null;
    },

    getNode: function (node) {
        if (typeof(node) == 'string') {
            return document.getElementById(node);
        }
        return node;
    },

    evalJSON: function (json) { // trust source
        return eval("(" + json + ")");
    },

    urlEncode: function (str) {
        if (typeof(encodeURIComponent) != "undefined") {
            return encodeURIComponent(str).replace(/\'/g, '%27');
        } else {
            return escape(str).replace(/\+/g, '%2B').replace(/\"/g, '%22').
                    rval.replace(/\'/g, '%27');
        }
    },

    swapDOM: function (dest, src) {
        dest = cw.getNode(dest);
        var parent = dest.parentNode;
        if (src) {
            src = cw.getNode(src);
            parent.replaceChild(src, dest);
        } else {
            parent.removeChild(dest);
        }
        return src;
    }
});


cw.utils = new Namespace('cw.utils');
jQuery.extend(cw.utils, {

    deprecatedFunction: function (msg, newfunc) {
        return function () {
            cw.log(msg);
            return newfunc.apply(this, arguments);
        };
    },

    movedToNamespace: function (funcnames, namespace) {
        for (var i = 0; i < funcnames.length; i++) {
            var funcname = funcnames[i];
            var msg = ('[3.9] ' + funcname + ' is deprecated, use ' +
		       namespace.__name__ + '.' + funcname + ' instead');
            window[funcname] = cw.utils.deprecatedFunction(msg, namespace[funcname]);
        }
    },

    createDomFunction: function (tag) {
        function builddom(params, children) {
            var node = document.createElement(tag);
            for (key in params) {
                var value = params[key];
                if (key.substring(0, 2) == 'on') {
                    // this is an event handler definition
                    if (typeof value == 'string') {
                        // litteral definition
                        value = new Function(value);
                    }
                    node[key] = value;
                } else { // normal node attribute
                    jQuery(node).attr(key, params[key]);
                }
            }
            if (children) {
                if (!cw.utils.isArrayLike(children)) {
                    children = [children];
                    for (var i = 2; i < arguments.length; i++) {
                        var arg = arguments[i];
                        if (cw.utils.isArray(arg)) {
                            jQuery.merge(children, arg);
                        } else {
                            children.push(arg);
                        }
                    }
                }
                for (var i = 0; i < children.length; i++) {
                    var child = children[i];
                    if (typeof child == "string" || typeof child == "number") {
                        child = document.createTextNode(child);
                    }
                    node.appendChild(child);
                }
            }
            return node;
        }
        return builddom;
    },

    /**
     * .. function:: toISOTimestamp(date)
     *
     */
    toISOTimestamp: function (date) {
        if (typeof(date) == "undefined" || date === null) {
            return null;
        }

        function _padTwo(n) {
            return (n > 9) ? n : "0" + n;
        }
        var isoTime = [_padTwo(date.getHours()), _padTwo(date.getMinutes()),
                       _padTwo(date.getSeconds())].join(':');
        var isoDate = [date.getFullYear(), _padTwo(date.getMonth() + 1),
                       _padTwo(date.getDate())].join("-");
        return isoDate + " " + isoTime;
    },

    /**
     * .. function:: nodeWalkDepthFirst(node, visitor)
     *
     * depth-first implementation of the nodeWalk function found
     * in `MochiKit.Base <http://mochikit.com/doc/html/MochiKit/Base.html#fn-nodewalk>`_
     */
    nodeWalkDepthFirst: function (node, visitor) {
        var children = visitor(node);
        if (children) {
            for (var i = 0; i < children.length; i++) {
                cw.utils.nodeWalkDepthFirst(children[i], visitor);
            }
        }
    },

    isArray: function (it) { // taken from dojo
        return it && (it instanceof Array || typeof it == "array");
    },

    isString: function (it) { // taken from dojo
        return !!arguments.length && it != null && (typeof it == "string" || it instanceof String);
    },

    isArrayLike: function (it) { // taken from dojo
        return (it && it !== undefined &&
                // keep out built-in constructors (Number, String, ...)
                // which have length properties
                !cw.utils.isString(it) && !jQuery.isFunction(it) &&
                !(it.tagName && it.tagName.toLowerCase() == 'form') &&
                (cw.utils.isArray(it) || isFinite(it.length)));
    },

    /**
     * .. function:: formContents(elem \/* = document.body *\/)
     *
     * this implementation comes from MochiKit
     */
    formContents: function (elem /* = document.body */ ) {
        var names = [];
        var values = [];
        if (typeof(elem) == "undefined" || elem === null) {
            elem = document.body;
        } else {
            elem = cw.getNode(elem);
        }
        cw.utils.nodeWalkDepthFirst(elem, function (elem) {
            var name = elem.name;
            if (name && name.length) {
                var tagName = elem.tagName.toUpperCase();
                if (tagName === "INPUT" && (elem.type == "radio" || elem.type == "checkbox") && !elem.checked) {
                    return null;
                }
                if (tagName === "SELECT") {
                    if (elem.type == "select-one") {
                        if (elem.selectedIndex >= 0) {
                            var opt = elem.options[elem.selectedIndex];
                            var v = opt.value;
                            if (!v) {
                                var h = opt.outerHTML;
                                // internet explorer sure does suck.
                                if (h && !h.match(/^[^>]+\svalue\s*=/i)) {
                                    v = opt.text;
                                }
                            }
                            names.push(name);
                            values.push(v);
                            return null;
                        }
                        // no form elements?
                        names.push(name);
                        values.push("");
                        return null;
                    } else {
                        var opts = elem.options;
                        if (!opts.length) {
                            names.push(name);
                            values.push("");
                            return null;
                        }
                        for (var i = 0; i < opts.length; i++) {
                            var opt = opts[i];
                            if (!opt.selected) {
                                continue;
                            }
                            var v = opt.value;
                            if (!v) {
                                var h = opt.outerHTML;
                                // internet explorer sure does suck.
                                if (h && !h.match(/^[^>]+\svalue\s*=/i)) {
                                    v = opt.text;
                                }
                            }
                            names.push(name);
                            values.push(v);
                        }
                        return null;
                    }
                }
                if (tagName === "FORM" || tagName === "P" || tagName === "SPAN" || tagName === "DIV") {
                    return elem.childNodes;
                }
		var value = elem.value;
		if (tagName === "TEXTAREA") {
		    if (typeof(FCKeditor) != 'undefined') {
			var fck = FCKeditorAPI.GetInstance(elem.id);
			if (fck) {
			    value = fck.GetHTML();
			}
		    }
		}
                names.push(name);
                values.push(value || '');
                return null;
            }
            return elem.childNodes;
        });
        return [names, values];
    },

    /**
     * .. function:: sliceList(lst, start, stop, step)
     *
     * returns a subslice of `lst` using `start`/`stop`/`step`
     * start, stop might be negative
     *
     * >>> sliceList(['a', 'b', 'c', 'd', 'e', 'f'], 2)
     * ['c', 'd', 'e', 'f']
     * >>> sliceList(['a', 'b', 'c', 'd', 'e', 'f'], 2, -2)
     * ['c', 'd']
     * >>> sliceList(['a', 'b', 'c', 'd', 'e', 'f'], -3)
     * ['d', 'e', 'f']
     */
    sliceList: function (lst, start, stop, step) {
        start = start || 0;
        stop = stop || lst.length;
        step = step || 1;
        if (stop < 0) {
            stop = Math.max(lst.length + stop, 0);
        }
        if (start < 0) {
            start = Math.min(lst.length + start, lst.length);
        }
        var result = [];
        for (var i = start; i < stop; i += step) {
            result.push(lst[i]);
        }
        return result;
    },

    /**
     * returns the last element of an array-like object or undefined if empty
     */
    lastOf: function(array) {
        if (array.length) {
            return array[array.length-1];
        } else {
            return undefined;
        }
    },

    /**
     * .. function:: difference(lst1, lst2)
     *
     * returns a list containing all elements in `lst1` that are not
     * in `lst2`.
     */
    difference: function(lst1, lst2) {
        return jQuery.grep(lst1, function(elt, i) {
            return jQuery.inArray(elt, lst2) == -1;
        });
    },
    /**
     * .. function:: domid(string)
     *
     * return a valid DOM id from a string (should also be usable in jQuery
     * search expression...). This is the javascript implementation of
     * :func:`cubicweb.uilib.domid`.
     */
    domid: function (string) {
	var newstring = string.replace(".", "_").replace("-", "_");
	while (newstring != string) {
	    string = newstring;
	    newstring = newstring.replace(".", "_").replace("-", "_");
	}
	return newstring; // XXX
    },

    /**
     * .. function:: strFuncCall(fname, *args)
     *
     * return a string suitable to call the `fname` javascript function with the
     * given arguments (which should be correctly typed).. This is providing
     * javascript implementation equivalent to :func:`cubicweb.uilib.js`.
     */
    strFuncCall: function(fname /* ...*/) {
	    return (fname + '(' +
		    $.map(cw.utils.sliceList(arguments, 1), jQuery.toJSON).join(',')
		    + ')'
		    );
    }

});

String.prototype.startsWith = cw.utils.deprecatedFunction('[3.9] str.startsWith() is deprecated, use str.startswith() instead', function (prefix) {
    return this.startswith(prefix);
});

String.prototype.endsWith = cw.utils.deprecatedFunction('[3.9] str.endsWith() is deprecated, use str.endswith() instead', function (suffix) {
    return this.endswith(prefix);
});

/** DOM factories ************************************************************/
A = cw.utils.createDomFunction('a');
BUTTON = cw.utils.createDomFunction('button');
BR = cw.utils.createDomFunction('br');
CANVAS = cw.utils.createDomFunction('canvas');
DD = cw.utils.createDomFunction('dd');
DIV = cw.utils.createDomFunction('div');
DL = cw.utils.createDomFunction('dl');
DT = cw.utils.createDomFunction('dt');
FIELDSET = cw.utils.createDomFunction('fieldset');
FORM = cw.utils.createDomFunction('form');
H1 = cw.utils.createDomFunction('H1');
H2 = cw.utils.createDomFunction('H2');
H3 = cw.utils.createDomFunction('H3');
H4 = cw.utils.createDomFunction('H4');
H5 = cw.utils.createDomFunction('H5');
H6 = cw.utils.createDomFunction('H6');
HR = cw.utils.createDomFunction('hr');
IMG = cw.utils.createDomFunction('img');
INPUT = cw.utils.createDomFunction('input');
LABEL = cw.utils.createDomFunction('label');
LEGEND = cw.utils.createDomFunction('legend');
LI = cw.utils.createDomFunction('li');
OL = cw.utils.createDomFunction('ol');
OPTGROUP = cw.utils.createDomFunction('optgroup');
OPTION = cw.utils.createDomFunction('option');
P = cw.utils.createDomFunction('p');
PRE = cw.utils.createDomFunction('pre');
SELECT = cw.utils.createDomFunction('select');
SPAN = cw.utils.createDomFunction('span');
STRONG = cw.utils.createDomFunction('strong');
TABLE = cw.utils.createDomFunction('table');
TBODY = cw.utils.createDomFunction('tbody');
TD = cw.utils.createDomFunction('td');
TEXTAREA = cw.utils.createDomFunction('textarea');
TFOOT = cw.utils.createDomFunction('tfoot');
TH = cw.utils.createDomFunction('th');
THEAD = cw.utils.createDomFunction('thead');
TR = cw.utils.createDomFunction('tr');
TT = cw.utils.createDomFunction('tt');
UL = cw.utils.createDomFunction('ul');

// cubicweb specific
//IFRAME = cw.utils.createDomFunction('iframe');


function IFRAME(params) {
    if ('name' in params) {
        try {
            var node = document.createElement('<iframe name="' + params['name'] + '">');
        } catch (ex) {
            var node = document.createElement('iframe');
            node.id = node.name = params.name;
        }
    }
    else {
        var node = document.createElement('iframe');
    }
    for (key in params) {
        if (key != 'name') {
            var value = params[key];
            if (key.substring(0, 2) == 'on') {
                // this is an event handler definition
                if (typeof value == 'string') {
                    // litteral definition
                    value = new Function(value);
                }
                node[key] = value;
            } else { // normal node attribute
                node.setAttribute(key, params[key]);
            }
        }
    }
    return node;
}

// XXX avoid crashes / backward compat
CubicWeb = cw;

jQuery.extend(cw, {
    require: cw.utils.deprecatedFunction(
        '[3.9] CubicWeb.require() is not used anymore',
        function(module) {}),
    provide: cw.utils.deprecatedFunction(
        '[3.9] CubicWeb.provide() is not used anymore',
        function(module) {})
});

jQuery(document).ready(function() {
    $(cw).trigger('server-response', [false, document]);
});