view release on metacpan or  search on metacpan

src/grid.js  view on Meta::CPAN

// depends: custom-buttons.js
//          paginator.js
//          choiceList.js
GvaScript.Grid = Class.create();

Object.extend(GvaScript.Grid.prototype, function() {
    var bcss = CSSPREFIX();
    function _compileDTO(dto) {
        switch(typeof dto) {
            case 'object': return $H(dto).update({VUE: 'JSON'});
            case 'string': return $H(dto.toQueryParams()).update({VUE: 'JSON'});
            default: return {VUE: 'JSON'};
        }
    }
    function _compileCss(column) {
        switch (typeof column.css) {
            case 'object': return ' '+column.css.join(' ');
            case 'string': return ' '+column.css;
            default: return '';
        }
    }
    function _compileWidth(column) {
        switch (typeof column.width) {
        case 'number': return ' style="width: '+column.width+'px"';
            case 'string':
                if(isNaN(column.width)) return ' style="width: '+column.width+'"';
                else                    return ' style="width: '+column.width+'px"';
            default: return '';
        }
    }
    function _compileTitle(column) {
        switch (typeof column.title) {
            case 'string': return 'title= '+'"'+column.title+'"';
            default: return '';
        }
    }        
    function _evalCondition(column, grid) {
        if(typeof column.condition == 'undefined') return true;
        else
        if(typeof column.condition == 'function')  return column.condition(grid);
        else
        if(eval(column.condition))                 return true;
        else                                       return false;
    }
    function _getColumnValue(column, elt) {
        switch(typeof column.value) {
            case 'function' : if(val = column.value(elt)) return val; else return (column.default_value || '');
            case 'string'   : if(val = elt[column.value]) return val; else return (column.default_value || '');
            default: return '';
        }
    }

    return {
        destroy: function() {
            // do not destroy if not initialized !
            if(GvaScript.Grids.unregister(this.id)) {
                if(this.choiceList)    this.choiceList.destroy();
                if(this.actionButtons) this.actionButtons.destroy();
            }
        },
        initialize: function(id, datasource, options) {
            var defaults = {
                css            : '',
                dto            : {},
                columns        : [],
                actions        : [],
                grabfocus      : true,
                pagesize       : 'auto',  // fill available grid height
                gridheight     : 'auto',  // available space
                recordheight   : 21,      // default record height in pixels
                requestTimeout : 15,
                method         : 'post',  // default XHR method
                errorMsg       : "Problème de connexion. Réessayer et si le problème persiste, contacter un administrateur.",
                onShow         : Prototype.emptyFunction,
                onPing         : Prototype.emptyFunction,
                onEmpty        : Prototype.emptyFunction,
                onCancel       : Prototype.emptyFunction
            }

            this.options = Object.extend(defaults, options || {});

            this.id                =  id;
            this.grid_container    = $(this.options.grid_container);
            this.toolbar_container = $(this.options.toolbar_container);
            this.columns           = this.options.columns;
            this.datasource        = datasource;
            // determine pagesize to send to paginator