CubicWeb.require('python.js');

CubicWeb.require('jquery.corner.js');

/* returns the document's baseURI. (baseuri() uses document.baseURI if

 * available and inspects the <base> tag manually otherwise.)

*/

function baseuri() {

    var uri = document.baseURI;

    if (uri) { // some browsers don't define baseURI

	return uri;

    }

    var basetags = document.getElementsByTagName('base');

    if (basetags.length) {

	return getNodeAttribute(basetags[0], 'href');

    }

    return '';

}

/* set body's cursor to 'progress' */

function setProgressCursor() {

    var body = document.getElementsByTagName('body')[0];

    body.style.cursor = 'progress';

}

/* reset body's cursor to default (mouse cursor). The main

 * purpose of this function is to be used as a callback in the

 * deferreds' callbacks chain. */

function resetCursor(result) {

    var body = document.getElementsByTagName('body')[0];

    body.style.cursor = 'default';

    // pass result to next callback in the callback chain

    return result;

}

function updateMessage(msg) {

    var msgdiv = DIV({'class':'message'});

    // don't pass msg to DIV() directly because DIV will html escape it

    // and msg should alreay be html escaped at this point.

    msgdiv.innerHTML = msg;

    jQuery('#appMsg').removeClass('hidden').empty().append(msgdiv);

}

/* builds an url from an object (used as a dictionnary)

 * Notable difference with MochiKit's queryString: asURL does not

 * *url_quote* each value found in the dictionnary

 *

 * >>> asURL({'rql' : "RQL", 'x': [1, 2], 'itemvid' : "oneline"})

 * rql=RQL&vid=list&itemvid=oneline&x=1&x=2

 */

function asURL(props) {

    var chunks = [];

    for(key in props) {

	var value = props[key];

	// generate a list of couple key=value if key is multivalued

	if (isArrayLike(value)) {

	    for (var i=0; i<value.length;i++) {

		chunks.push(key + '=' + value[i]);

	    }

	} else {

	    chunks.push(key + '=' + value);

	}

    }

    return chunks.join('&');

}

/* return selected value of a combo box if any

 */

function firstSelected(selectNode) {

    var selection = filter(attrgetter('selected'), selectNode.options);

    return (selection.length > 0) ? getNodeAttribute(selection[0], 'value'):null;

}

/* toggle visibility of an element by its id

 */

function toggleVisibility(elemId) {

    jqNode(elemId).toggleClass('hidden');

}

/* toggles visibility of login popup div */

// XXX used exactly ONCE in basecomponents

function popupLoginBox() {

    toggleVisibility('popupLoginBox');

    jQuery('#__login:visible').focus();

}

/* returns the list of elements in the document matching the tag name

 * and the properties provided

 *

 * @param tagName the tag's name

 * @param properties a js Object used as a dict

 * @return an iterator (if a *real* array is needed, you can use the

 *                      list() function)

 */

function getElementsMatching(tagName, properties, /* optional */ parent) {

    parent = parent || document;

    return filter(function elementMatches(element) {

                     for (prop in properties) {

                       if (getNodeAttribute(element, prop) != properties[prop]) {

	                 return false;}}

                    return true;},

                  parent.getElementsByTagName(tagName));

}

/*

 * sets checked/unchecked status of checkboxes

 */

function setCheckboxesState(nameprefix, checked){

    // XXX: this looks in *all* the document for inputs

    var elements = getElementsMatching('input', {'type': "checkbox"});

    filterfunc = function(cb) { return nameprefix && cb.name.startsWith(nameprefix); };

    forEach(filter(filterfunc, elements), function(cb) {cb.checked=checked;});

}

function setCheckboxesState2(nameprefix, value, checked){

    // XXX: this looks in *all* the document for inputs

    var elements = getElementsMatching('input', {'type': "checkbox"});

    filterfunc = function(cb) { return nameprefix && cb.name.startsWith(nameprefix) && cb.value == value; };

    forEach(filter(filterfunc, elements), function(cb) {cb.checked=checked;});

}

/* this function is a hack to build a dom node from html source */

function html2dom(source) {

    var tmpNode = SPAN();

    tmpNode.innerHTML = source;

    if (tmpNode.childNodes.length == 1) {

	return tmpNode.firstChild;

    }

    else {

	// we leave the span node when `source` has no root node

	// XXX This is cleary not the best solution, but css/html-wise,

	///    a span not should not be too  much disturbing

	return tmpNode;

    }

}

// *** HELPERS **************************************************** //

function rql_for_eid(eid) { return 'Any X WHERE X eid ' + eid; }

function isTextNode(domNode) { return domNode.nodeType == 3; }

function isElementNode(domNode) { return domNode.nodeType == 1; }

function autogrow(area) {

    if (area.scrollHeight > area.clientHeight && !window.opera) {

	if (area.rows < 20) {

	    area.rows += 2;

	}

    }

}

//============= page loading events ==========================================//

CubicWeb.rounded = [

		    ['div.sideBoxBody', 'bottom 6px'],

		    ['div.boxTitle, div.boxPrefTitle, div.sideBoxTitle, th.month', 'top 6px']

		    ];

function roundedCorners(node) {

    node = jQuery(node);

    for(var r=0; r < CubicWeb.rounded.length; r++) {

       node.find(CubicWeb.rounded[r][0]).corner(CubicWeb.rounded[r][1]);

    }

}

jQuery(document).ready(function () {roundedCorners(this.body);});

CubicWeb.provide('corners.js');

CubicWeb.provide('htmlhelpers.js');