view release on metacpan or  search on metacpan

share/docs/source/PagingToolbar.html  view on Meta::CPAN

            var msg = count == 0 ?
                this.emptyMsg :
                String.format(
                    this.displayMsg,
                    this.cursor+1, this.cursor+count, this.store.getTotalCount()
                );
            this.displayItem.setText(msg);
        }
    },

    // private
    onLoad : function(store, r, o){
        if(!this.rendered){
            this.dsLoaded = [store, r, o];
            return;
        }
        var p = this.getParams();
        this.cursor = (o.params && o.params[p.start]) ? o.params[p.start] : 0;
        var d = this.getPageData(), ap = d.activePage, ps = d.pages;

        this.afterTextItem.setText(String.format(this.afterPageText, d.pages));
        this.inputItem.setValue(ap);
        this.first.setDisabled(ap == 1);
        this.prev.setDisabled(ap == 1);
        this.next.setDisabled(ap == ps);
        this.last.setDisabled(ap == ps);
        this.refresh.enable();
        this.updateInfo();
        this.fireEvent('change', this, d);
    },

    // private
    getPageData : function(){
        var total = this.store.getTotalCount();
        return {
            total : total,
            activePage : Math.ceil((this.cursor+this.pageSize)/this.pageSize),
            pages :  total < this.pageSize ? 1 : Math.ceil(total/this.pageSize)
        };
    },

<span id='Ext-PagingToolbar-method-changePage'>    /**
</span>     * Change the active page
     * @param {Integer} page The page to display
     */
    changePage : function(page){
        this.doLoad(((page-1) * this.pageSize).constrain(0, this.store.getTotalCount()));
    },

    // private
    onLoadError : function(){
        if(!this.rendered){
            return;
        }
        this.refresh.enable();
    },

    // private
    readPage : function(d){
        var v = this.inputItem.getValue(), pageNum;
        if (!v || isNaN(pageNum = parseInt(v, 10))) {
            this.inputItem.setValue(d.activePage);
            return false;
        }
        return pageNum;
    },

    onPagingFocus : function(){
        this.inputItem.select();
    },

    //private
    onPagingBlur : function(e){
        this.inputItem.setValue(this.getPageData().activePage);
    },

    // private
    onPagingKeyDown : function(field, e){
        var k = e.getKey(), d = this.getPageData(), pageNum;
        if (k == e.RETURN) {
            e.stopEvent();
            pageNum = this.readPage(d);
            if(pageNum !== false){
                pageNum = Math.min(Math.max(1, pageNum), d.pages) - 1;
                this.doLoad(pageNum * this.pageSize);
            }
        }else if (k == e.HOME || k == e.END){
            e.stopEvent();
            pageNum = k == e.HOME ? 1 : d.pages;
            field.setValue(pageNum);
        }else if (k == e.UP || k == e.PAGEUP || k == e.DOWN || k == e.PAGEDOWN){
            e.stopEvent();
            if((pageNum = this.readPage(d))){
                var increment = e.shiftKey ? 10 : 1;
                if(k == e.DOWN || k == e.PAGEDOWN){
                    increment *= -1;
                }
                pageNum += increment;
                if(pageNum &gt;= 1 &amp; pageNum &lt;= d.pages){
                    field.setValue(pageNum);
                }
            }
        }
    },

    // private
    getParams : function(){
        //retain backwards compat, allow params on the toolbar itself, if they exist.
        return this.paramNames || this.store.paramNames;
    },

    // private
    beforeLoad : function(){
        if(this.rendered &amp;&amp; this.refresh){
            this.refresh.disable();
        }
    },

    // private
    doLoad : function(start){
        var o = {}, pn = this.getParams();