bs_treeelement.class.js

在线电子表格SpreadSheet 在线电子表格SpreadSheet

}
}
if (this.hasVisibleChildren()) {
var lookAhead = this._tree.lookAhead;var treeElm     = this;for (var j=0; j<treeElm._children.length; j++) {
if (typeof(treeElm._children[j]._undoneChildren) == 'object') {
for (var k=0; k<treeElm._children[j]._undoneChildren.length; k++) {
var newE = this._tree._createTreeElement(treeElm._children[j]._undoneChildren[k], treeElm._children[j]._level +1);treeElm._children[j].addChild(newE);}
treeElm._children[j]._undoneChildren = false;}
if (treeElm._children[j].hasVisibleChildren()) {
var doRender = false;for (var k=0; k<treeElm._children[j]._children.length; k++) {
if (!treeElm._children[j]._children[k]._isOutrendered) {
var doRender = true;break;}
}
if (doRender) {
treeElm._children[j].render(true, true, lookAhead);}
}
}
}
}
this._renderParentsUp = function() {
if (typeof(this.parent) == 'undefined') this.parent._renderParentsUp();if (this._isOutrendered) return;this.render(true, true);}
this.close = function() {
if (!this.isOpen) return;this.isOpen = false;if (this._isOutrendered) {
var d = document.getElementById(this._tree._objectId + '_e_' + this.id + '_children');d.style.display = 'none';this._switchIconsOnToggleOpenClose();} else {
this.render(true, true);}
}
this._switchIconsOnToggleOpenClose = function() {
var openClose = document.getElementById(this._tree._objectId + '_e_' + this.id + '_openClose');openClose.src = this._getSourceOpenCloseIcon();if (this._getVar('useFolderIcon')) {
var folderIconId = this._tree._objectId + '_e_' + this.id + '_folder';var fIcon = document.getElementById(folderIconId);if (fIcon) {
fIcon.src = this._getSourceFolderIcon();}
}
}
this._getSourceOpenCloseIcon = function() {
if (this.hasSiblingsDown()) {
var imgNumber = 3;} else {
var imgNumber = 2;}
if (this.hasVisibleChildren()) {
if ((this._level == 0) || (!this._tree.showPseudoElement && (this._level == 1) && ((this._tree.useAutoSequence && (this.id == 1)) || (!this._tree.useAutoSequence && true)))) {
if (this.hasSiblingsDown()) {
imgNumber++;} else {
imgNumber--;}
}
if (this.isOpen) {
var plusImg = 'minus' + imgNumber;var onClick = 'Close';} else {
var plusImg = 'plus' + imgNumber;var onClick = 'Open';}
} else {
var plusImg = 'line' + imgNumber;}
var imageDir = this._getVar('imageDir');return imageDir + plusImg + '.gif';}
this._getSourceFolderIcon = function() {
var imageDir = this._getVar('imageDir');switch (typeof(this.icon)) {
case 'undefined':
if (this._tree.useLeaf && !this.hasChildren()) {
var folderImg = 'leaf';} else {
var folderImg = 'folder';folderImg += (this.isOpen) ? 'Open' : 'Closed';}
return imageDir + folderImg + '.gif';break;case 'bool':
case 'boolean':
break;case 'string':
if (this.icon != 'false') {
var ret = '';if (!this._iconHasPath(this.icon)) ret += imageDir;ret += this.icon;if (!this._iconHasExtension(this.icon)) ret += '.gif';return ret;}
}
return '';}
this.hasChildren = function() {
return (this._children.length > 0);}
this.hasVisibleChildren = function() {
if (!this._children || !(this._children.length > 0)) return false;for (var i=0; i<this._children.length; i++) {
if (this._children[i].visible) return true;}
return false;}
this.numChildren = function() {
return this._children.length;}
this.childPos = function(id) {
for (var i=0; i<this._children.length; i++) {
if (this._children[i].id == id) return ++i;}
return false;}
this.hasSiblings = function() {
}
this.hasSiblingsDown = function() {
try {
var tot = this.parent.numChildren();var pos = this.parent.childPos(this.id);return (pos < tot);} catch (e) {
return false;}
}
this.hasSiblingsAbove = function() {
}
this.getSiblings = function() {
try {
return this.parent.getChildren();} catch(e) {
return new Array;}
}
this.getChildren = function() {
return this._children;}
this.getParentId = function() {
try {
return this.parent.id;} catch (e) {
return false;}
}
this.hasParent = function() {
return (this.parent);}
this.attachEvent = function(trigger, yourEvent) {
if (typeof(this._attachedEvents) == 'undefined') {
this._attachedEvents = new Array();}
if (typeof(this._attachedEvents[trigger]) == 'undefined') {
this._attachedEvents[trigger] = new Array(yourEvent);} else {
this._attachedEvents[trigger][this._attachedEvents[trigger].length] = yourEvent;}
}
this.hasEventAttached = function(trigger) {
return ((typeof(this._attachedEvents) != 'undefined') && (typeof(this._attachedEvents[trigger]) != 'undefined'));}
this.fireEvent = function(trigger) {
var ret = true;if (trigger == 'onClickCaption') {
this.setActive();}
if ((typeof(this._attachedEvents) != 'undefined') && (typeof(this._attachedEvents[trigger]) != 'undefined')) {
var e = this._attachedEvents[trigger];if ((typeof(e) == 'string') || (typeof(e) == 'function')) {
e = new Array(e);}
for (var i=0; i<e.length; i++) {
if (typeof(e[i]) == 'function') {
var status = e[i](this);if (status == false) ret = false;} else if (typeof(e[i]) == 'string') {
        	var ev = e[i].replace(/__this\.id__/g, this.id); //replace the string __this.id__ with the actual id.
        	//ev = ev.replace(/__this__/g, 'this'); //replace the string __this__ with 'this'.
eval(ev);}
}
}
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._getVar = function(varName) {
if (typeof(this[varName]) != 'undefined') {
return this[varName];} else {
if (this._tree.walkTree && (typeof(this.parent) != 'undefined')) {
return this.parent._getVar(varName);} else if (typeof(this._tree[varName]) != 'undefined') {
return this._tree[varName];} else {
return null;}
}
}
this.onMouseOver = function() {
var img = document.getElementById(this._spanId + 'icon');if (!img.swapOver0) {
img.swapOver0 = new Image();img.swapOver0.src = this.imgDir + 'enabled_0_over.gif';img.swapOver1 = new Image();img.swapOver1.src = this.imgDir + 'enabled_1_over.gif';img.swapOver2 = new Image();img.swapOver2.src = this.imgDir + 'enabled_2_over.gif';img.swapOut0 = new Image();img.swapOut0.src = this.imgDir + 'enabled_0.gif';img.swapOut1 = new Image();img.swapOut1.src = this.imgDir + 'enabled_1.gif';img.swapOut2 = new Image();img.swapOut2.src = this.imgDir + 'enabled_2.gif';}
img.src = img['swapOver' + this.value].src;}
this.onMouseOut = function() {
var img = document.getElementById(this._spanId + 'icon');img.src = img['swapOut' + this.value].src;}
this.setCheckboxValue = function(value, fireEvents, doWalk) {
if (typeof(fireEvents) == 'undefined') fireEvents = true;if (typeof(doWalk)     == 'undefined') doWalk     = true;if (!this.hasChildren()) {
value = (value) ? 2 : 0;} else {
if (this.isChecked == 0) {
if (this._tree.checkboxSystemWalkTree && (this._tree.checkboxSystemWalkTree != 2) && (this._tree.checkboxSystemWalkTree != 3) && this.hasChildren()) {
value = 1;}
}
}
this.isChecked = value;this._checkboxObject.setTo(value, true);if (fireEvents) {
if (this.hasEventAttached('onChangeCheckbox')) this.fireEvent('onChangeCheckbox');}
if (doWalk) {
if ((this._tree.checkboxSystemWalkTree == 3) || (this._tree.checkboxSystemWalkTree == 1) || (this._tree.checkboxSystemWalkTree == 4)) {
this.parent.updateCheckboxFromChild();}
if ((this._tree.checkboxSystemWalkTree == 3) || (this._tree.checkboxSystemWalkTree == 2) || ((this._tree.checkboxSystemWalkTree == 4) && (value == 0))) {
this.checkboxUpdateDown(value);}
}
}
this.checkboxEvent = function(value) {
if (!this.hasChildren()) {
value = (value) ? 2 : 0;} else {
if (this.isChecked == 1) {
if ((!this._tree.checkboxSystemIfPartlyThenFull) || ((this._tree.checkboxSystemWalkTree) && (this._tree.checkboxSystemWalkTree != 2) && (this._tree.checkboxSystemWalkTree != 3))) {
value = 0;} else {
value = 2;}
} else if (this.isChecked == 0) {
if (this._tree.checkboxSystemWalkTree && (this._tree.checkboxSystemWalkTree != 2) && (this._tree.checkboxSystemWalkTree != 3) && this.hasChildren()) {
value = 1;}
}
}
this.isChecked = value;this._checkboxObject.setTo(value, true);if (this.hasEventAttached('onChangeCheckbox')) this.fireEvent('onChangeCheckbox');if ((this._tree.checkboxSystemWalkTree == 3) || (this._tree.checkboxSystemWalkTree == 1) || (this._tree.checkboxSystemWalkTree == 4)) {
this.parent.updateCheckboxFromChild();}
if ((this._tree.checkboxSystemWalkTree == 3) || (this._tree.checkboxSystemWalkTree == 2) || ((this._tree.checkboxSystemWalkTree == 4) && (value == 0))) {
this.checkboxUpdateDown(value);}
}
this.checkboxUpdateDown = function(value) {
for (var i=0; i<this._children.length; i++) {
this._children[i]._updateCheckboxFromParent(value, true);}
}
this.updateCheckboxVisually = function() {
if (typeof(this._checkboxObject) == 'object') {
try {
this._checkboxObject.setTo(this.isChecked);} catch (e) {
}
}
}
this._updateCheckboxFromParent = function(newValue, recursiveDown) {
var backupValue = this.isChecked;this.isChecked = (newValue) ? 2 : 0;var hasChanged = (this.isChecked != backupValue);if (hasChanged) {
this.updateCheckboxVisually();if (this.hasEventAttached('onChangeCheckbox')) this.fireEvent('onChangeCheckbox');}
if (recursiveDown) this.checkboxUpdateDown(newValue, true);}
this.updateCheckboxFromChild = function() {
var backupIsChecked = this.isChecked;var numYes   = 0;var numNo    = 0;var isPartly = false;for (var i=0; i<this._children.length; i++) {
if (this._children[i].isChecked == 1) {
isPartly = true;this.isChecked = 1;break;} else if (this._children[i].isChecked) {
numYes++;} else {
numNo++;}
if ((numYes > 0) && (numNo > 0)) {
break;}
}
if (!isPartly) {
if ((numYes > 0) && (numNo > 0)) {
this.isChecked = 1;} else if (numYes > 0) {
this.isChecked = 2;} else {
this.isChecked = 0;}
}
if (backupIsChecked != this.isChecked) {
this.updateCheckboxVisually();if (this.hasEventAttached('onChangeCheckbox')) this.fireEvent('onChangeCheckbox');}
if (typeof(this.parent) == 'object') {
this.parent.updateCheckboxFromChild();}
}
this._updateLevelAndParent = function(treeElement) {
if ((typeof(treeElement._children) == 'object') && (treeElement._children.length > 0)) {
for (var i=0; i<treeElement._children.length; i++) {
treeElement._children[i].parent = treeElement;treeElement._children[i]._level = treeElement._level +1;this._updateLevelAndParent(treeElement._children[i]);}
}
}
this._getLinkStyle = function() {
if (typeof(this.linkStyle)       != 'undefined') return this.linkStyle;if (typeof(this._tree.linkStyle) != 'undefined') return this._tree.linkStyle;return '';}
this._iconHasExtension = function(iconStr) {
var iconLower = iconStr.toLowerCase();var iconPos   = iconLower.lastIndexOf('.');if (iconPos > -1) {
var iconExt = iconLower.substr(iconPos +1);if ((iconExt != 'gif') && (iconExt != 'png') && (iconExt != 'jpg') && (iconExt != 'jpeg')) {
return false;}
} else {
return false;}
return true;}
this._iconHasPath = function(iconStr) {
if (iconStr.indexOf('://') > -1) return true;if (iconStr.substr(0, 1) == '/') return true;return false;}
}