+
−/** filter form, aka facets, javascript functions
+
− *
+
− *  :organization: Logilab
+
− *  :copyright: 2003-2013 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
+
− *  :contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
+
− */
+
−
+
−var SELECTED_IMG = DATA_URL + 'black-check.png';
+
−var UNSELECTED_IMG = DATA_URL + 'no-check-no-border.png';
+
−var UNSELECTED_BORDER_IMG = DATA_URL + 'black-uncheck.png';
+
−
+
−function copyParam(origparams, newparams, param) {
+
−    var index = $.inArray(param, origparams[0]);
+
−    if (index > - 1) {
+
−        newparams[param] = origparams[1][index];
+
−    }
+
−}
+
−
+
−
+
−function facetFormContent($form) {
+
−    var names = [];
+
−    var values = [];
+
−    $form.find('.facet').each(function() {
+
−        var facetName = $(this).find('.facetTitle').attr('cubicweb:facetName');
+
−        // FacetVocabularyWidget
+
−        $(this).find('.facetValueSelected').each(function(x) {
+
−            names.push(facetName);
+
−            values.push(this.getAttribute('cubicweb:value'));
+
−        });
+
−        // FacetStringWidget (e.g. has-text)
+
−        $(this).find('input:text').each(function(){
+
−            names.push(this.name);
+
−            values.push(this.value);
+
−        });
+
−    });
+
−    // pick up hidden inputs (required metadata inputs such as 'facets'
+
−    // but also RangeWidgets)
+
−    $form.find('input[type="hidden"]').each(function() {
+
−        names.push(this.name);
+
−        values.push(this.value);
+
−    });
+
−    // And / Or operators
+
−    $form.find('select option[selected]').each(function() {
+
−        names.push(this.parentNode.name);
+
−        values.push(this.value);
+
−    });
+
−    return [names, values];
+
−}
+
−
+
−
+
−// XXX deprecate vidargs once TableView is gone
+
−function buildRQL(divid, vid, paginate, vidargs) {
+
−    $(CubicWeb).trigger('facets-content-loading', [divid, vid, paginate, vidargs]);
+
−    var $form = $('#' + divid + 'Form');
+
−    var zipped = facetFormContent($form);
+
−    zipped[0].push('facetargs');
+
−    zipped[1].push(vidargs);
+
−    var d = loadRemote(AJAX_BASE_URL, ajaxFuncArgs('filter_build_rql', null, zipped[0], zipped[1]));
+
−    d.addCallback(function(result) {
+
−        var rql = result[0];
+
−        var $bkLink = $('#facetBkLink');
+
−        if ($bkLink.length) {
+
−            var bkPath = 'view?rql=' + encodeURIComponent(rql);
+
−            if (vid) {
+
−                bkPath += '&vid=' + encodeURIComponent(vid);
+
−            }
+
−            var bkUrl = $bkLink.attr('cubicweb:target') + '&path=' + encodeURIComponent(bkPath);
+
−            $bkLink.attr('href', bkUrl);
+
−        }
+
−        var $focusLink = $('#focusLink');
+
−        if ($focusLink.length) {
+
−            var url = BASE_URL + 'view?rql=' + encodeURIComponent(rql);
+
−            if (vid) {
+
−                url += '&vid=' + encodeURIComponent(vid);
+
−            }
+
−            $focusLink.attr('href', url);
+
−        }
+
−        var toupdate = result[1];
+
−        var extraparams = vidargs;
+
−        if (paginate) { extraparams['paginate'] = '1'; } // XXX in vidargs
+
−        // copy some parameters
+
−        // XXX cleanup vid/divid mess
+
−        // if vid argument is specified , the one specified in form params will
+
−        // be overriden by replacePageChunk
+
−        copyParam(zipped, extraparams, 'vid');
+
−        extraparams['divid'] = divid;
+
−        copyParam(zipped, extraparams, 'divid');
+
−        copyParam(zipped, extraparams, 'subvid'); // XXX deprecate once TableView is gone
+
−        copyParam(zipped, extraparams, 'fromformfilter');
+
−        // paginate used to know if the filter box is acting, in which case we
+
−        // want to reload action box to match current selection (we don't want
+
−        // this from a table filter)
+
−        extraparams['rql'] = rql;
+
−        if (vid) { // XXX see copyParam above. Need cleanup
+
−            extraparams['vid'] = vid;
+
−        }
+
−        d = $('#' + divid).loadxhtml(AJAX_BASE_URL, ajaxFuncArgs('view', extraparams),
+
−                                     null, 'swap');
+
−        d.addCallback(function() {
+
−            // XXX rql/vid in extraparams
+
−            $(CubicWeb).trigger('facets-content-loaded', [divid, rql, vid, extraparams]);
+
−        });
+
−        if (paginate) {
+
−            // FIXME the edit box might not be displayed in which case we don't
+
−            // know where to put the potential new one, just skip this case for
+
−            // now
+
−            var $node = $('#edit_box');
+
−            if ($node.length) {
+
−                $node.loadxhtml(AJAX_BASE_URL, ajaxFuncArgs('render', {
+
−                    'rql': rql
+
−                },
+
−                'ctxcomponents', 'edit_box'), 'GET', 'swap');
+
−            }
+
−            $node = $('#breadcrumbs');
+
−            if ($node.length) {
+
−                $node.loadxhtml(AJAX_BASE_URL, ajaxFuncArgs('render', {
+
−                    'rql': rql
+
−                },
+
−                'ctxcomponents', 'breadcrumbs'));
+
−            }
+
−        }
+
−        var mainvar = null;
+
−        var index = $.inArray('mainvar', zipped[0]);
+
−        if (index > - 1) {
+
−            mainvar = zipped[1][index];
+
−        }
+
−
+
−        var d = loadRemote(AJAX_BASE_URL, ajaxFuncArgs('filter_select_content', null, toupdate, rql, mainvar));
+
−        d.addCallback(function(updateMap) {
+
−            for (facetName in updateMap) {
+
−                var values = updateMap[facetName];
+
−                // XXX fine with jquery 1.6
+
−                //$form.find('div[cubicweb\\:facetName="' + facetName + '"] ~ div .facetCheckBox').each(function() {
+
−                $form.find('div').filter(function () {return $(this).attr('cubicweb:facetName') == facetName}).parent().find('.facetCheckBox').each(function() {
+
−                    var value = this.getAttribute('cubicweb:value');
+
−                    if ($.inArray(value, values) == -1) {
+
−                        if (!$(this).hasClass('facetValueDisabled')) {
+
−                            $(this).addClass('facetValueDisabled');
+
−                        }
+
−                    } else {
+
−                        if ($(this).hasClass('facetValueDisabled')) {
+
−                            $(this).removeClass('facetValueDisabled');
+
−                        }
+
−                    }
+
−                });
+
−            }
+
−        });
+
−    });
+
−}
+
−
+
−
+
−function initFacetBoxEvents(root) {
+
−    // facetargs : (divid, vid, paginate, extraargs)
+
−    root = root || document;
+
−    $(root).find('form').each(function() {
+
−        var form = $(this);
+
−        // NOTE: don't evaluate facetargs here but in callbacks since its value
+
−        //       may changes and we must send its value when the callback is
+
−        //       called, not when the page is initialized
+
−        var facetargs = form.attr('cubicweb:facetargs');
+
−        if (facetargs != undefined && !form.attr('cubicweb:initialized')) {
+
−            form.attr('cubicweb:initialized', '1');
+
−            var jsfacetargs = cw.evalJSON(form.attr('cubicweb:facetargs'));
+
−            form.submit(function() {
+
−                buildRQL.apply(null, jsfacetargs);
+
−                return false;
+
−            });
+
−            var divid = jsfacetargs[0];
+
−            if ($('#'+divid).length) {
+
−                var $loadingDiv = $(DIV({id:'facetLoading'},
+
−                                        facetLoadingMsg));
+
−                $($('#'+divid).get(0).parentNode).append($loadingDiv);
+
−            }
+
−            form.find('div.facet').each(function() {
+
−                var $facet = $(this);
+
−                $facet.find('div.facetCheckBox').each(function(i) {
+
−                    this.setAttribute('cubicweb:idx', i);
+
−                });
+
−                $facet.find('div.facetCheckBox').click(function() {
+
−                    var $this = $(this);
+
−                    // NOTE : add test on the facet operator (i.e. OR, AND)
+
−                    // if ($this.hasClass('facetValueDisabled')){
+
−                    //          return
+
−                    // }
+
−                    if ($this.hasClass('facetValueSelected')) {
+
−                        facetCheckBoxUnselect($this);
+
−                    } else {
+
−                        facetCheckBoxSelect($this);
+
−                    }
+
−                    facetCheckBoxReorder($facet);
+
−                    buildRQL.apply(null, jsfacetargs);
+
−                });
+
−                $facet.find('select.facetOperator').change(function() {
+
−                    var nbselected = $facet.find('div.facetValueSelected').length;
+
−                    if (nbselected >= 2) {
+
−                        buildRQL.apply(null, jsfacetargs);
+
−                    }
+
−                });
+
−                $facet.find('div.facetTitle.hideFacetBody').click(function() {
+
−                    $facet.find('div.facetBody').toggleClass('hidden').toggleClass('opened');
+
−                    $(this).toggleClass('opened');
+
−
+
−                });
+
−
+
−            });
+
−        }
+
−    });
+
−}
+
−
+
−// facetCheckBoxSelect: select the given facet checkbox item (.facetValue
+
−// class)
+
−function facetCheckBoxSelect($item) {
+
−    $item.addClass('facetValueSelected');
+
−    $item.find('img').attr('src', SELECTED_IMG).attr('alt', (_("selected")));
+
−}
+
−
+
−// facetCheckBoxUnselect: unselect the given facet checkbox item (.facetValue
+
−// class)
+
−function facetCheckBoxUnselect($item) {
+
−    $item.removeClass('facetValueSelected');
+
−    $item.find('img').each(function(i) {
+
−        if (this.getAttribute('cubicweb:unselimg')) {
+
−            this.setAttribute('src', UNSELECTED_BORDER_IMG);
+
−        }
+
−        else {
+
−            this.setAttribute('src', UNSELECTED_IMG);
+
−        }
+
−        this.setAttribute('alt', (_("not selected")));
+
−    });
+
−}
+
−
+
−// facetCheckBoxReorder: reorder all items according to cubicweb:idx attribute
+
−function facetCheckBoxReorder($facet) {
+
−    var sortfunc = function (a, b) {
+
−        // convert from string to integer
+
−        a = +a.getAttribute("cubicweb:idx");
+
−        b = +b.getAttribute("cubicweb:idx");
+
−        // compare
+
−        if (a > b) {
+
−            return 1;
+
−        } else if (a < b) {
+
−            return -1;
+
−        } else {
+
−            return 0;
+
−        }
+
−    };
+
−    var $items = $facet.find('.facetValue.facetValueSelected')
+
−    $items.sort(sortfunc);
+
−    $facet.find('.facetBody').append($items);
+
−    var $items = $facet.find('.facetValue:not(.facetValueSelected)')
+
−    $items.sort(sortfunc);
+
−    $facet.find('.facetBody').append($items);
+
−    $facet.find('.facetBody').animate({scrollTop: 0}, '');
+
−}
+
−
+
−// trigger this function on document ready event if you provide some kind of
+
−// persistent search (eg crih)
+
−function reorderFacetsItems(root) {
+
−    root = root || document;
+
−    $(root).find('form').each(function() {
+
−        var form = $(this);
+
−        if (form.attr('cubicweb:facetargs')) {
+
−            form.find('div.facet').each(function() {
+
−                var facet = $(this);
+
−                var lastSelected = null;
+
−                facet.find('div.facetCheckBox').each(function(i) {
+
−                    var $this = $(this);
+
−                    if ($this.hasClass('facetValueSelected')) {
+
−                        if (lastSelected) {
+
−                            lastSelected.after(this);
+
−                        } else {
+
−                            var parent = this.parentNode;
+
−                            $(parent).prepend(this);
+
−                        }
+
−                        lastSelected = $this;
+
−                    }
+
−                });
+
−            });
+
−        }
+
−    });
+
−}
+
−
+
−// change css class of facets that have a value selected
+
−function updateFacetTitles() {
+
−    $('.facet').each(function() {
+
−        var $divTitle = $(this).find('.facetTitle');
+
−        var facetSelected = $(this).find('.facetValueSelected');
+
−        if (facetSelected.length) {
+
−            $divTitle.addClass('facetTitleSelected');
+
−        } else {
+
−            $divTitle.removeClass('facetTitleSelected');
+
−        }
+
−    });
+
−}
+
−
+
−// we need to differenciate cases where initFacetBoxEvents is called with one
+
−// argument or without any argument. If we use `initFacetBoxEvents` as the
+
−// direct callback on the jQuery.ready event, jQuery will pass some argument of
+
−// his, so we use this small anonymous function instead.
+
−$(document).ready(function() {
+
−    initFacetBoxEvents();
+
−    $(cw).bind('facets-content-loaded', onFacetContentLoaded);
+
−    $(cw).bind('facets-content-loading', onFacetFiltering);
+
−    $(cw).bind('facets-content-loading', updateFacetTitles);
+
−});
+
−
+
−function showFacetLoading(parentid) {
+
−    var loadingWidth = 200; // px
+
−    var loadingHeight = 100; // px
+
−    var $msg = $('#facetLoading');
+
−    var $parent = $('#' + parentid);
+
−    var leftPos = $parent.offset().left + ($parent.width() - loadingWidth) / 2;
+
−    $parent.fadeTo('normal', 0.2);
+
−    $msg.css('left', leftPos).show();
+
−}
+
−
+
−function onFacetFiltering(event, divid /* ... */) {
+
−    showFacetLoading(divid);
+
−}
+
−
+
−function onFacetContentLoaded(event, divid, rql, vid, extraparams) {
+
−    $('#facetLoading').hide();
+
−}
+
−
+
−$(document).ready(function () {
+
−    if ($('div.facetBody').length) {
+
−        var $loadingDiv = $(DIV({id:'facetLoading'},
+
−                                facetLoadingMsg));
+
−        $('body').append($loadingDiv);
+
−    }
+
−});