file_tree.js

jsp页面上

/********************************************************************************************
* BlueShoes Framework; This file is part of the php application framework.
* NOTE: This code is stripped (obfuscated). To get the clean documented code goto
*       www.blueshoes.org and register for the free open source *DEVELOPER* version or
*       buy the commercial version.
*
*       In case you've already got the developer version, then this is one of the few
*       packages/classes that is only available to *PAYING* customers.
*       To get it go to www.blueshoes.org and buy a commercial version.
*
* @copyright www.blueshoes.org
* @author    Samuel Blume <sam at blueshoes dot org>
* @author    Andrej Arn <andrej at blueshoes dot org>
*/

if (!Bs_Objects) {
  var Bs_Objects = [];
};
function Bs_Tree() {
    this._id;
    this._objectId;
    this.autoCollapse= false;
    this.lookAhead = 5;
    this.captionBgColor= "yellow";
    this.linkStyle;
    this.divStyle = 'font-family: Arial, Helvetica, sans-serif; font-size: 11px;';
    this.showPseudoElement = false;
    this.useCheckboxSystem = false;
    this.checkboxSystemWalkTree = 3;
    this.checkboxSystemIfPartlyThenFull = true;
    this.checkboxSystemImgDir;
    this.checkboxSystemGuiNochange;
    this.useRadioButton = false;
    this.radioButtonName;
    this.imageDir = '/_bsJavascript/components/tree/img/win98/';
    this.imageHeight = 16;
    this.useFolderIcon = true;
    this.useLeaf = true;
    this.walkTree = true;
    this.useAutoSequence = true;
    this.draggable = false;
    this._clearingHouse = new Array;
    this._pseudoElement;
    this._currentActiveElement;
    this._elementSequence = 0;
    this._errorArray;this.stopWatch;
    this._constructor = function() {
        this._id = Bs_Objects.length;
        Bs_Objects[this._id] = this;
        this._objectId = "Bs_Tree_" + this._id;
        var a = [];
        a['id']= 'pseudoElement001';
        a['caption']= "root";
        a['url']= "";
        a['target']= "";
        a['isOpen']= true;
        this._pseudoElement = this._createTreeElement(a, 0);
      }
      this.initByArray = function(arr) {
        for (var i=0; i<arr.length; i++) {
          var e = this._createTreeElement(arr[i], 1);
          if (e == false) {
            return false;
          }
          this._pseudoElement.addChild(e);
        }
        return true;
      }
      this.getActiveElement = function() {
        if (typeof(this._currentActiveElement) != 'undefined')
            return this._currentActiveElement;
        return false;
      }
      this.setActiveElement = function(treeElement) {
        this._currentActiveElement = treeElement;
      }
      this._createTreeElement = function(arr, level) {
        if (typeof(level) == 'undefined')
            level = 1;
        var e = new Bs_TreeElement();
        var status = e.initByArray(arr, this, level);
        if (!status) {
            this._addError(e.getLastError());
            return false;
        }
        this._clearingHouse[e.id] = e;
        if (arr['children']) {
            if ((this.useCheckboxSystem && (this.checkboxSystemWalkTree >= 2)) || e.isOpen || ((this.lookAhead +2) > level) || (this.lookAhead == -1) || ((typeof(e.parent) == 'object') && (e.parent.isOpen))) {
                for (var i=0; i<arr['children'].length; i++) {
                    var newE = this._createTreeElement(arr['children'][i], level +1);
                    if (!newE)
                        return false;
                    e.addChild(newE);
                }
            }
            else {
                e._undoneChildren = arr['children'];
            }
        }
        return e;
    }
    this.getElement = function(elementId) {
        if (elementId == 0)
            return this._pseudoElement;
        if (typeof(this._clearingHouse[elementId]) == 'object') {
            return this._clearingHouse[elementId];
        }
        else {
            return false;
        }
    }
    this.removeElement = function(elementId) {
        if (typeof(this._clearingHouse[elementId]) == 'undefined')
            return false;
        var elm = this._clearingHouse[elementId];
        if ((typeof(elm.parent) == 'object') && (typeof(elm.parent._children) == 'object')) {
            for (var i=0; i<elm.parent._children.length; i++) {
                if (elm.parent._children[i].id == elementId) {
                    elm.parent._children.deleteItem(i);
                    break;
                }
            }
        }
        this._clearingHouse.deleteItemHash(elementId);
        for (var i=0; i<elm._children.length; i++) {
            this._clearingHouse.deleteItemHash(elm._children[i].id);
        }
        if ((typeof(elm.parent) == 'object') && (elm.parent._isOutrendered)) {
            elm.parent.render(true, true);
        }
        return true;
    }
    this.draw = function() {
        var content = this._pseudoElement.render();
        document.writeln(content[0]);eval(content[1]);
    }
    this.toHtml = function() {
        return this._pseudoElement.render();
    }
    this.executeOnElement = function(id, func, params) {
        if (this._clearingHouse[id]) {
            if (this._clearingHouse[id][func]) {
                if (params) {
                    switch (params.length) {
                        case 1:
                            return this._clearingHouse[id][func](params[0]);
                            break;
                        case 2:
                            return this._clearingHouse[id][func](params[0], params[1]);
                            break;
                        case 3:
                            return this._clearingHouse[id][func](params[0], params[1], params[2]);
                            break;
                        case 4:
                            return this._clearingHouse[id][func](params[0], params[1], params[2], params[3]);
                            break;
                    }
                }
                else {
                    return this._clearingHouse[id][func]();
                }
            }
        }
        return;
    }
    this.getJavascriptCode = function() {
        return this._pseudoElement.getJavascriptCode('a', true);
    }
    this.elementToggleOpenClose = function(id) {
        this._clearingHouse[id].toggleOpenClose();
    }
    this.elementOpenWalkUp = function(id) {
        if (typeof(this._clearingHouse[id]) != 'undefined') {
            var elm = this._clearingHouse[id];
            elm.open(true);
            if (typeof(elm.parent) != 'undefined')
                this.elementOpenWalkUp(elm.parent.id);
        }
        else {
            return false;
        }
        return true;
    }
    this.elementCloseWalkUp = function(id) {
        if (typeof(this._clearingHouse[id]) != 'undefined') {
            var elm = this._clearingHouse[id];
            elm.close(true);
            if (typeof(elm.parent) != 'undefined')
                this.elementCloseWalkUp(elm.parent.id);
        }
        else {
            return false;
        }
        return true;
    }
    this.elementCloseWalkDown = function(id) {
        if (typeof(id) == 'undefined') {
            var elm = this._pseudoElement;
        }
        else if (typeof(this._clearingHouse[id]) != 'undefined') {
            var elm = this._clearingHouse[id];
            elm.close(true);
        }
        else {
            return false;
        }
        if (typeof(elm._children) != 'undefined') {
            for (var i=0; i<elm._children.length; i++) {
                this.elementCloseWalkDown(elm._children[i].id);
            }
        }
        return true;
    }
    this.elementOpen = function(id) {
        if (typeof(this._clearingHouse[id]) != 'undefined') {
            this._clearingHouse[id].open();
        }
    }
    this.elementClose = function(id) {
        this._clearingHouse[id].close();
    }
    this.openPath = function(data, valueType) {
        var elm = this.getElementByCaptionPath(data);
        if (elm == false)
            return false;
        this.elementOpenWalkUp(elm.id);
        return true;
    }
    this.getElementByCaptionPath = function(data) {
        var elm = this._pseudoElement;
        for (var i=0; i<data.length; i++) {
            var newElm = null;
            for (var j=0; j<elm._children.length; j++) {
                if (elm._children[j].caption == data[i]) {
                    newElm = elm._children[j];
                    elm = newElm;
                    if (typeof(elm._undoneChildren) == 'object') {
                        for (var k=0; k<elm._undoneChildren.length; k++) {
                            var newE = this._createTreeElement(elm._undoneChildren[k], elm._level +1);
                            elm.addChild(newE);
                        }
                        elm._undoneChildren = false;
                    }
                    break;
                }
            }
            if (newElm == null)
                return false;
        }
        return newElm;
    }
    this.elementCheckboxEvent = function(id, face) {
        this._clearingHouse[id].checkboxEvent(face);
    }
    this.debugDumpTree = function(elm, indent) {
        if (typeof(elm) == 'undefined') {
            elm = this._pseudoElement;
            indent = '';
            var firstCall = true;
        }
        var ret = '';
        if (typeof(elm._children) == 'object') {
            for (var i=0; i<elm._children.length; i++) {
                ret += indent + i + ': ' + elm._children[i].id + ': ' + elm._children[i].caption + "\n";
                ret += this.debugDumpTree(elm._children[i], indent + '  ');
            }
        }
        if (firstCall) {
            alert(ret);
        }
        else {
            return ret;
        }
    }
    this._addError = function(str) {
        if (typeof(this._errorArray) == 'undefined') {
            this._errorArray = new Array(str);
        }
        else {
            this._errorArray[this._errorArray.length] = str;
        }
    }
    this.getLastError = function() {
        if (typeof(this._errorArray) != 'undefined') {
            if (this._errorArray.length > 0) {
                return this._errorArray[this._errorArray.length -1];
            }
        }
        return false;
    }
    this.old_drawInto = function(id) {
        var content = this._pseudoElement.render();
        var e = document.getElementById(id);
        if (e) {
            e.innerHTML = content[0];
            if ('' != content[1])
                eval(content[1]);
        }
    }
    this._imgPreload = function() {
        var id = this.globalId;
        var e  = document.getElementById(id);
        var ii = 0;
        var outTemp = new Array();
        outTemp[ii++] = '<img src="' + this.imageDir + 'line1.gif" border="0" style="display:none;">';
        outTemp[ii++] = '<img src="' + this.imageDir + 'line2.gif" border="0" style="display:none;">';
        outTemp[ii++] = '<img src="' + this.imageDir + 'line3.gif" border="0" style="display:none;">';
        outTemp[ii++] = '<img src="' + this.imageDir + 'minus1.gif" border="0" style="display:none;">';
        outTemp[ii++] = '<img src="' + this.imageDir + 'minus2.gif" border="0" style="display:none;">';
        outTemp[ii++] = '<img src="' + this.imageDir + 'minus3.gif" border="0" style="display:none;">';
        outTemp[ii++] = '<img src="' + this.imageDir + 'plus1.gif" border="0" style="display:none;">';
        outTemp[ii++] = '<img src="' + this.imageDir + 'plus2.gif" border="0" style="display:none;">';
        outTemp[ii++] = '<img src="' + this.imageDir + 'plus3.gif" border="0" style="display:none;">';
        outTemp[ii++] = '<img src="' + this.imageDir + 'line3.gif" border="0" style="display:none;">';
        outTemp[ii++] = '<img src="' + this.imageDir + 'empty.gif" border="0" style="display:none;">';
        outTemp[ii++] = '<img src="' + this.imageDir + 'leaf.gif" border="0" style="display:none;">';
        outTemp[ii++] = '<img src="' + this.imageDir + 'folderClosed.gif" border="0" style="display:none;">';
        outTemp[ii++] = '<img src="' + this.imageDir + 'folderOpen.gif" border="0" style="display:none;">';
        if (e)
            e.innerHTML = outTemp.join('');
    }
    this._afterImgPreload = function() {
        var id = this.globalId;
        var content = this._pseudoElement.render();
        var e = document.getElementById(id);
        if (e) {
            e.innerHTML = content[0];
            if ('' != content[1]) {
                eval(content[1]);
            }
        }
        //add by chenkl 20040705
        document.all.item("dialog").style.display="none";
        document.all.item("rightLabel").style.display="block";
        document.all.item("rightSave").style.display="block";
        //add end
    }
    this.drawInto = function(id) {
        this.globalId = id;
        setTimeout('Bs_Objects['+this._id+']._imgPreload()', 0);
        setTimeout('Bs_Objects['+this._id+']._afterImgPreload()',500);
    }
    this._constructor();
}