调整

tom

2023-12-06 9e968679ed2e6937aeb7b50a6c450d5d19251f42

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BandTree = Control.subClass({
    
    items: true,
    
    init: function(config) {
        config.css = util.combine(config.css, {
            container: null
        });
        
        this.firstBand;
        this.selected = {};
        this.buckets = null;
        this.itemIndent = 10;
        
        Control.call(this, config);
    },
    
    getContainerTemplate: function() {
        var template = $(BandTree_Template.container.join(""));
        return template;
    },
    
    load: function(itemOptions) {
        this.clear();
        this.createItems(this, this.container, itemOptions);
        this.onBandSelected(this.firstBand);
    },
    
    createItem: function(container, option) {
        return this.createBucket(container, option);
    },
    
    createBucket: function(container, option) {
        //1. bucket
        var bucket = $(BandTree_Template.bucket.join(""));
        this.buckets.push(bucket);
        bucket.body = $("#body", bucket);
        
        //2. bucket click event
        var me = this;
        bucket.click(function() {
            me.onBacketSelected(bucket);
        });
        
        //3. text
        var text = bucket.text = $("#text", bucket);
        text.html(option.name);
        
        //4. bands
        var bands = option.children;
        
        if (bands && bands.length) {
            var max = bands.length;
            
            for (var i = 0; i < max; i++) {
                var bandOption = bands[i];
                var band = this.createBand(bucket, bandOption, i);
                
                if (!bucket.firstBand) {
                    bucket.firstBand = band;
                }
            }
        }
        
        return bucket;
    },
    
    createBand: function(bucket, option, idx) {
        //1. band
        var band = $(BandTree_Template.band.join(""));
        if (this.firstBand == null) {
            this.firstBand = band;
        }
        band.attr("id", "band_" + idx);
        band.header = $("#header", band);
        
        band.body = $("#band_body", band);
        band.body.hide();
        
        //2. band click event
        var me = this;
        band.click(function(e) {
            me.onBandSelected(band);
            e.stopPropagation();
        });        
        
        //3. text
        var text = band.text = $("#text", band);
        text.html(option.name);
        
        //4. fields
        var fields = option.children;
        
        if (fields && fields.length) {
            var max = fields.length;
            
            for (var i = 0; i < max; i++) {
                var field = fields[i];
                this.createField(band.body, field);
            }
        }
        
        bucket.append(band);
        return band;
    },
    
    createField: function(band, option) {
        var field = $(BandTree_Template.field.join(""));
        field.body = $("#body", field);
        
        var text = field.text = $("#text", field);
        text.html(option.name);    
        
        band.append(field);
    },
    
    onBacketSelected: function(bucket) {
        if (!bucket) {
            return;
        }
        
        this.onBandSelected(bucket.firstBand);
    },
    
    onBandSelected: function(band) {
        if (!band || this.selected.band == band) {
            return;
        }
        
        if (this.selected.band) {
            this.changeBandState(this.selected.band, "unselected");
        }
        
        this.changeBandState(band, "selected");
        this.selected.band = band;
    },
    
    onFieldSelected: function(band, field) {
        
    },
    
    changeBandState: function(band, event) {
        if ("selected" == event) {
            band.body.show();
//            band.arrow.addClass(config.css.openItemArrow);                
            return;
        }
        
        if ("unselected" == event) {
            band.body.hide();
//            item.arrow.removeClass(config.css.openItemArrow);
//            item.arrow.addClass(config.css.itemArrow);                
            return;
        }
    },
    
    clear: function() {
        this.container.empty();
        this.selected = {};
        this.buckets = [];
    }
    
});
 
 
//*************************************
BandTree_Template = {};
 
BandTree_Template.container = [
   '<ul class="band-tree"></ul>'                   
];
 
BandTree_Template.bucket = [
    '<li class="band-tree-bucket">',
        '<div id="body" class="bucket-header">',
            '<i class="icon iconfont icon-bucket"></i>&nbsp;',
            '<span id="text" class="band-tree-text"></span>',
        '</div>',
    '</li>'   
];
 
BandTree_Template.band = [
    '<li class="band-tree-band">',
        '<div id="header" class="band-header">',
            '<i class="icon iconfont icon-band"></i>&nbsp;',
            '<span id="text" class="band-tree-text"></span>',
            '<i id="arrow" class="band-arrow icon iconfont icon-arrow-down"></i>',
        '</div>',
        '<div id="band_body" class="band-body">',
        '</div>',
    '</li>'   
];
 
BandTree_Template.field = [
    '<div class="band-tree-field">',
        '<div id="body" class="field-body">',
            '<i class="icon iconfont icon-field"></i>&nbsp;',
            '<span id="text" class="band-tree-text"></span>',
        '</div>',
    '</div>'   
];
 
BandTree_Template.item_arrow = [
      '<i id="icon" class="band-tree-body-arrow iconfont"></i>&nbsp;'
];