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我如何修改这个小提琴以将新项目添加到右侧而不是捕捉到底部...我希望固定高度并将其扩展到右侧的新项目

http://jsfiddle.net/maxgalbu/UfyjW

var layout;
var grid_size = 100;
var grid_margin = 5;
var block_params = {
max_width: 6,
max_height: 6
};
$(function() {

layout = $('.layouts_grid ul').gridster({
    widget_margins: [grid_margin, grid_margin],
    widget_base_dimensions: [grid_size, grid_size],
    serialize_params: function($w, wgd) {
        return {
            x: wgd.col,
            y: wgd.row,
            width: wgd.size_x,
            height: wgd.size_y,
            id: $($w).attr('data-id'),
            name: $($w).find('.block_name').html(),
        };
    },
    min_rows: block_params.max_height
}).data('gridster');

$('.layout_block').resizable({
    grid: [grid_size + (grid_margin * 2), grid_size + (grid_margin * 2)],
    animate: false,
    minWidth: grid_size,
    minHeight: grid_size,
    containment: '#layouts_grid ul',
    autoHide: true,
    stop: function(event, ui) {
        var resized = $(this);
        setTimeout(function() {
            resizeBlock(resized);
        }, 300);
    }
});

$('.ui-resizable-handle').hover(function() {
    layout.disable();
}, function() {

    layout.enable();
});

function resizeBlock(elmObj) {

    var elmObj = $(elmObj);
    var w = elmObj.width() - grid_size;
    var h = elmObj.height() - grid_size;

    for (var grid_w = 1; w > 0; w -= (grid_size + (grid_margin * 2))) {

        grid_w++;
    }

    for (var grid_h = 1; h > 0; h -= (grid_size + (grid_margin * 2))) {

        grid_h++;
    }

    layout.resize_widget(elmObj, grid_w, grid_h);
}
});​
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