/****************************************************************************/
/****************************************************************************/
/****************************************************************************/
/**
* The ColumnSet class defines and manages a DataTable's Columns,
* including nested hierarchies and access to individual Column instances.
*
* @namespace YAHOO.widget
* @class ColumnSet
* @uses YAHOO.util.EventProvider
* @constructor
* @param aDefinitions {Object[]} Array of object literals that define cells in
* the THEAD.
*/
YAHOO.widget.ColumnSet = function(aDefinitions) {
this._sId = "yui-cs" + YAHOO.widget.ColumnSet._nCount;
// First clone the defs
aDefinitions = YAHOO.widget.DataTable._cloneObject(aDefinitions);
this._init(aDefinitions);
YAHOO.widget.ColumnSet._nCount++;
YAHOO.log("ColumnSet initialized", "info", this.toString());
};
/////////////////////////////////////////////////////////////////////////////
//
// Private member variables
//
/////////////////////////////////////////////////////////////////////////////
/**
* Internal class variable to index multiple ColumnSet instances.
*
* @property ColumnSet._nCount
* @type Number
* @private
* @static
*/
YAHOO.widget.ColumnSet._nCount = 0;
YAHOO.widget.ColumnSet.prototype = {
/**
* Unique instance name.
*
* @property _sId
* @type String
* @private
*/
_sId : null,
/**
* Array of object literal Column definitions passed to the constructor.
*
* @property _aDefinitions
* @type Object[]
* @private
*/
_aDefinitions : null,
/////////////////////////////////////////////////////////////////////////////
//
// Public member variables
//
/////////////////////////////////////////////////////////////////////////////
/**
* Top-down tree representation of Column hierarchy.
*
* @property tree
* @type YAHOO.widget.Column[]
*/
tree : null,
/**
* Flattened representation of all Columns.
*
* @property flat
* @type YAHOO.widget.Column[]
* @default []
*/
flat : null,
/**
* Array of Columns that map one-to-one to a table column.
*
* @property keys
* @type YAHOO.widget.Column[]
* @default []
*/
keys : null,
/**
* ID index of nested parent hierarchies for HEADERS accessibility attribute.
*
* @property headers
* @type String[]
* @default []
*/
headers : null,
/////////////////////////////////////////////////////////////////////////////
//
// Private methods
//
/////////////////////////////////////////////////////////////////////////////
/**
* Initializes ColumnSet instance with data from Column definitions.
*
* @method _init
* @param aDefinitions {Object[]} Array of object literals that define cells in
* the THEAD .
* @private
*/
_init : function(aDefinitions) {
// DOM tree representation of all Columns
var tree = [];
// Flat representation of all Columns
var flat = [];
// Flat representation of only Columns that are meant to display data
var keys = [];
// Array of HEADERS attribute values for all keys in the "keys" array
var headers = [];
// Tracks current node list depth being tracked
var nodeDepth = -1;
// Internal recursive function to define Column instances
var parseColumns = function(nodeList, parent) {
// One level down
nodeDepth++;
// Create corresponding tree node if not already there for this depth
if(!tree[nodeDepth]) {
tree[nodeDepth] = [];
}
// Parse each node at this depth for attributes and any children
for(var j=0; j<nodeList.length; j++) {
var currentNode = nodeList[j];
// Instantiate a new Column for each node
var oColumn = new YAHOO.widget.Column(currentNode);
// Assign unique ID to Column and cross-reference it back to the
// original object literal definition
currentNode.yuiColumnId = oColumn._sId = YAHOO.widget.Column._nCount + "";
// Assign a key if not found
if(!YAHOO.lang.isValue(oColumn.key)) {
oColumn.key = "yui-dt-col" + YAHOO.widget.Column._nCount;
}
// Increment counter
YAHOO.widget.Column._nCount++;
// Add the new Column to the flat list
flat.push(oColumn);
// Assign its parent as an attribute, if applicable
if(parent) {
oColumn.parent = parent;
}
// The Column has descendants
if(YAHOO.lang.isArray(currentNode.children)) {
oColumn.children = currentNode.children;
// Determine COLSPAN value for this Column
var terminalChildNodes = 0;
var countTerminalChildNodes = function(ancestor) {
var descendants = ancestor.children;
// Drill down each branch and count terminal nodes
for(var k=0; k<descendants.length; k++) {
// Keep drilling down
if(YAHOO.lang.isArray(descendants[k].children)) {
countTerminalChildNodes(descendants[k]);
}
// Reached branch terminus
else {
terminalChildNodes++;
}
}
};
countTerminalChildNodes(currentNode);
oColumn._nColspan = terminalChildNodes;
// Cascade certain properties to children if not defined on their own
var currentChildren = currentNode.children;
for(var k=0; k<currentChildren.length; k++) {
var child = currentChildren[k];
if(oColumn.className && (child.className === undefined)) {
child.className = oColumn.className;
}
if(oColumn.editor && (child.editor === undefined)) {
child.editor = oColumn.editor;
}
if(oColumn.editorOptions && (child.editorOptions === undefined)) {
child.editorOptions = oColumn.editorOptions;
}
if(oColumn.formatter && (child.formatter === undefined)) {
child.formatter = oColumn.formatter;
}
if(oColumn.resizeable && (child.resizeable === undefined)) {
child.resizeable = oColumn.resizeable;
}
if(oColumn.sortable && (child.sortable === undefined)) {
child.sortable = oColumn.sortable;
}
if(oColumn.width && (child.width === undefined)) {
child.width = oColumn.width;
}
// Backward compatibility
if(oColumn.type && (child.type === undefined)) {
child.type = oColumn.type;
}
if(oColumn.type && !oColumn.formatter) {
YAHOO.log("The property type has been" +
" deprecated in favor of formatter", "warn", oColumn.toString());
oColumn.formatter = oColumn.type;
}
if(oColumn.text && !YAHOO.lang.isValue(oColumn.label)) {
YAHOO.log("The property text has been" +
" deprecated in favor of label", "warn", oColumn.toString());
oColumn.label = oColumn.text;
}
if(oColumn.parser) {
YAHOO.log("The property parser is no longer supported",
"warn", this.toString());
}
if(oColumn.sortOptions && ((oColumn.sortOptions.ascFunction) ||
(oColumn.sortOptions.descFunction))) {
YAHOO.log("The properties sortOptions.ascFunction and " +
" sortOptions.descFunction have been deprecated in favor " +
" of sortOptions.sortFunction", "warn", oColumn.toString());
}
}
// The children themselves must also be parsed for Column instances
if(!tree[nodeDepth+1]) {
tree[nodeDepth+1] = [];
}
parseColumns(currentChildren, oColumn);
}
// This Column does not have any children
else {
oColumn._nKeyIndex = keys.length;
oColumn._nColspan = 1;
keys.push(oColumn);
}
// Add the Column to the top-down tree
tree[nodeDepth].push(oColumn);
}
nodeDepth--;
};
// Parse out Column instances from the array of object literals
if(YAHOO.lang.isArray(aDefinitions)) {
parseColumns(aDefinitions);
// Store the array
this._aDefinitions = aDefinitions;
}
else {
YAHOO.log("Could not initialize ColumnSet due to invalid definitions","error");
return null;
}
var i;
// Determine ROWSPAN value for each Column in the tree
var parseTreeForRowspan = function(tree) {
var maxRowDepth = 1;
var currentRow;
var currentColumn;
// Calculate the max depth of descendants for this row
var countMaxRowDepth = function(row, tmpRowDepth) {
tmpRowDepth = tmpRowDepth || 1;
for(var n=0; n<row.length; n++) {
var col = row[n];
// Column has children, so keep counting
if(YAHOO.lang.isArray(col.children)) {
tmpRowDepth++;
countMaxRowDepth(col.children, tmpRowDepth);
tmpRowDepth--;
}
// No children, is it the max depth?
else {
if(tmpRowDepth > maxRowDepth) {
maxRowDepth = tmpRowDepth;
}
}
}
};
// Count max row depth for each row
for(var m=0; m<tree.length; m++) {
currentRow = tree[m];
countMaxRowDepth(currentRow);
// Assign the right ROWSPAN values to each Column in the row
for(var p=0; p<currentRow.length; p++) {
currentColumn = currentRow[p];
if(!YAHOO.lang.isArray(currentColumn.children)) {
currentColumn._nRowspan = maxRowDepth;
}
else {
currentColumn._nRowspan = 1;
}
}
// Reset counter for next row
maxRowDepth = 1;
}
};
parseTreeForRowspan(tree);
// Store tree index values
for(i=0; i<tree[0].length; i++) {
tree[0][i]._nTreeIndex = i;
}
// Store header relationships in an array for HEADERS attribute
var recurseAncestorsForHeaders = function(i, oColumn) {
headers[i].push(oColumn._sId);
if(oColumn.parent) {
recurseAncestorsForHeaders(i, oColumn.parent);
}
};
for(i=0; i<keys.length; i++) {
headers[i] = [];
recurseAncestorsForHeaders(i, keys[i]);
headers[i] = headers[i].reverse();
}
// Save to the ColumnSet instance
this.tree = tree;
this.flat = flat;
this.keys = keys;
this.headers = headers;
},
/////////////////////////////////////////////////////////////////////////////
//
// Public methods
//
/////////////////////////////////////////////////////////////////////////////
/**
* Returns unique name of the ColumnSet instance.
*
* @method getId
* @return {String} Unique name of the ColumnSet instance.
*/
getId : function() {
return this._sId;
},
/**
* ColumnSet instance name, for logging.
*
* @method toString
* @return {String} Unique name of the ColumnSet instance.
*/
toString : function() {
return "ColumnSet instance " + this._sId;
},
/**
* Public accessor to the definitions array.
*
* @method getDefinitions
* @return {Object[]} Array of object literal Column definitions.
*/
getDefinitions : function() {
var aDefinitions = this._aDefinitions;
// Internal recursive function to define Column instances
var parseColumns = function(nodeList, oSelf) {
// Parse each node at this depth for attributes and any children
for(var j=0; j<nodeList.length; j++) {
var currentNode = nodeList[j];
// Get the Column for each node
var oColumn = oSelf.getColumnById(currentNode.yuiColumnId);
if(oColumn) {
// Update the definition
currentNode.abbr = oColumn.abbr;
currentNode.className = oColumn.className;
currentNode.editor = oColumn.editor;
currentNode.editorOptions = oColumn.editorOptions;
currentNode.formatter = oColumn.formatter;
currentNode.hidden = oColumn.hidden;
currentNode.key = oColumn.key;
currentNode.label = oColumn.label;
currentNode.minWidth = oColumn.minWidth;
currentNode.resizeable = oColumn.resizeable;
currentNode.selected = oColumn.selected;
currentNode.sortable = oColumn.sortable;
currentNode.sortOptions = oColumn.sortOptions;
currentNode.width = oColumn.width;
}
// The Column has descendants
if(YAHOO.lang.isArray(currentNode.children)) {
// The children themselves must also be parsed for Column instances
parseColumns(currentNode.children, oSelf);
}
}
};
parseColumns(aDefinitions, this);
this._aDefinitions = aDefinitions;
return aDefinitions;
},
/**
* Returns Column instance with given ID.
*
* @method getColumnById
* @param column {String} Column ID.
* @return {YAHOO.widget.Column} Column instance.
*/
getColumnById : function(column) {
if(YAHOO.lang.isString(column)) {
var allColumns = this.flat;
for(var i=allColumns.length-1; i>-1; i--) {
if(allColumns[i]._sId === column) {
return allColumns[i];
}
}
}
return null;
},
/**
* Returns Column instance with given key or ColumnSet key index.
*
* @method getColumn
* @param column {String | Number} Column key or ColumnSet key index.
* @return {YAHOO.widget.Column} Column instance.
*/
getColumn : function(column) {
if(YAHOO.lang.isNumber(column) && this.keys[column]) {
return this.keys[column];
}
else if(YAHOO.lang.isString(column)) {
var allColumns = this.flat;
var aColumns = [];
for(var i=0; i<allColumns.length; i++) {
if(allColumns[i].key === column) {
aColumns.push(allColumns[i]);
}
}
if(aColumns.length === 1) {
return aColumns[0];
}
else if(aColumns.length > 1) {
return aColumns;
}
}
return null;
},
/**
* Public accessor returns array of given Column's desendants (if any), including itself.
*
* @method getDescendants
* @parem {YAHOO.widget.Column} Column instance.
* @return {Array} Array including the Column itself and all descendants (if any).
*/
getDescendants : function(oColumn) {
var oSelf = this;
var allDescendants = [];
var i;
// Recursive function to loop thru all children
var parse = function(oParent) {
allDescendants.push(oParent);
// This Column has children
if(oParent.children) {
for(i=0; i<oParent.children.length; i++) {
parse(oSelf.getColumn(oParent.children[i].key));
}
}
};
parse(oColumn);
return allDescendants;
}
};
/****************************************************************************/
/****************************************************************************/
/****************************************************************************/
/**
* The Column class defines and manages attributes of DataTable Columns
*
* @namespace YAHOO.widget
* @class Column
* @constructor
* @param oConfigs {Object} Object literal of definitions.
*/
YAHOO.widget.Column = function(oConfigs) {
// Object literal defines Column attributes
if(oConfigs && (oConfigs.constructor == Object)) {
for(var sConfig in oConfigs) {
if(sConfig) {
this[sConfig] = oConfigs[sConfig];
}
}
}
// Backward compatibility
if(this.width && !YAHOO.lang.isNumber(this.width)) {
this.width = null;
YAHOO.log("The Column property width must be a number", "warn", this.toString());
}
};
/////////////////////////////////////////////////////////////////////////////
//
// Private member variables
//
/////////////////////////////////////////////////////////////////////////////
YAHOO.lang.augmentObject(YAHOO.widget.Column, {
/**
* Internal class variable to index multiple Column instances.
*
* @property Column._nCount
* @type Number
* @private
* @static
*/
_nCount : 0,
formatCheckbox : function(elCell, oRecord, oColumn, oData) {
YAHOO.log("The method YAHOO.widget.Column.formatCheckbox() has been" +
" deprecated in favor of YAHOO.widget.DataTable.formatCheckbox()", "warn",
"YAHOO.widget.Column.formatCheckbox");
YAHOO.widget.DataTable.formatCheckbox(elCell, oRecord, oColumn, oData);
},
formatCurrency : function(elCell, oRecord, oColumn, oData) {
YAHOO.log("The method YAHOO.widget.Column.formatCurrency() has been" +
" deprecated in favor of YAHOO.widget.DataTable.formatCurrency()", "warn",
"YAHOO.widget.Column.formatCurrency");
YAHOO.widget.DataTable.formatCurrency(elCell, oRecord, oColumn, oData);
},
formatDate : function(elCell, oRecord, oColumn, oData) {
YAHOO.log("The method YAHOO.widget.Column.formatDate() has been" +
" deprecated in favor of YAHOO.widget.DataTable.formatDate()", "warn",
"YAHOO.widget.Column.formatDate");
YAHOO.widget.DataTable.formatDate(elCell, oRecord, oColumn, oData);
},
formatEmail : function(elCell, oRecord, oColumn, oData) {
YAHOO.log("The method YAHOO.widget.Column.formatEmail() has been" +
" deprecated in favor of YAHOO.widget.DataTable.formatEmail()", "warn",
"YAHOO.widget.Column.formatEmail");
YAHOO.widget.DataTable.formatEmail(elCell, oRecord, oColumn, oData);
},
formatLink : function(elCell, oRecord, oColumn, oData) {
YAHOO.log("The method YAHOO.widget.Column.formatLink() has been" +
" deprecated in favor of YAHOO.widget.DataTable.formatLink()", "warn",
"YAHOO.widget.Column.formatLink");
YAHOO.widget.DataTable.formatLink(elCell, oRecord, oColumn, oData);
},
formatNumber : function(elCell, oRecord, oColumn, oData) {
YAHOO.log("The method YAHOO.widget.Column.formatNumber() has been" +
" deprecated in favor of YAHOO.widget.DataTable.formatNumber()", "warn",
"YAHOO.widget.Column.formatNumber");
YAHOO.widget.DataTable.formatNumber(elCell, oRecord, oColumn, oData);
},
formatSelect : function(elCell, oRecord, oColumn, oData) {
YAHOO.log("The method YAHOO.widget.Column.formatSelect() has been" +
" deprecated in favor of YAHOO.widget.DataTable.formatDropdown()", "warn",
"YAHOO.widget.Column.formatSelect");
YAHOO.widget.DataTable.formatDropdown(elCell, oRecord, oColumn, oData);
}
});
YAHOO.widget.Column.prototype = {
/**
* Unique String identifier assigned at instantiation.
*
* @property _sId
* @type String
* @private
*/
_sId : null,
/**
* Object literal definition
*
* @property _oDefinition
* @type Object
* @private
*/
_oDefinition : null,
/**
* Reference to Column's current position index within its ColumnSet's keys
* array, if applicable. This property only applies to non-nested and bottom-
* level child Columns.
*
* @property _nKeyIndex
* @type Number
* @private
*/
_nKeyIndex : null,
/**
* Reference to Column's current position index within its ColumnSet's tree
* array, if applicable. This property only applies to non-nested and top-
* level parent Columns.
*
* @property _nTreeIndex
* @type Number
* @private
*/
_nTreeIndex : null,
/**
* Number of table cells the Column spans.
*
* @property _nColspan
* @type Number
* @private
*/
_nColspan : 1,
/**
* Number of table rows the Column spans.
*
* @property _nRowspan
* @type Number
* @private
*/
_nRowspan : 1,
/**
* Column's parent Column instance, or null.
*
* @property _oParent
* @type YAHOO.widget.Column
* @private
*/
_oParent : null,
/*TODO: remove
* The DOM reference the associated COL element.
*
* @property _elCol
* @type HTMLElement
* @private
*/
//YAHOO.widget.Column.prototype._elCol = null;
/**
* The DOM reference to the associated TH element.
*
* @property _elTh
* @type HTMLElement
* @private
*/
_elTh : null,
/**
* The DOM reference to the associated resizerelement (if any).
*
* @property _elResizer
* @type HTMLElement
* @private
*/
_elResizer : null,
/**
* For unreg() purposes, a reference to the Column's DragDrop instance.
*
* @property _dd
* @type YAHOO.util.DragDrop
* @private
*/
_dd : null,
/**
* For unreg() purposes, a reference to the Column resizer's DragDrop instance.
*
* @property _ddResizer
* @type YAHOO.util.DragDrop
* @private
*/
_ddResizer : null,
/////////////////////////////////////////////////////////////////////////////
//
// Public member variables
//
/////////////////////////////////////////////////////////////////////////////
/**
* Associated database field, or null.
*
* @property key
* @type String
*/
key : null,
/**
* Text or HTML for display as Column's label in the TH element.
*
* @property label
* @type String
*/
label : null,
/**
* Column head cell ABBR for accessibility.
*
* @property abbr
* @type String
*/
abbr : null,
/**
* Array of object literals that define children (nested headers) of a Column.
*
* @property children
* @type Object[]
*/
children : null,
/**
* Column width (in pixels).
*
* @property width
* @type Number
*/
width : null,
/**
* Minimum Column width (in pixels).
*
* @property minWidth
* @type Number
* @default 10
*/
minWidth : 10,
/**
* True if Column is in hidden state.
*
* @property hidden
* @type Boolean
* @default false
*/
hidden : false,
/**
* True if Column is in selected state.
*
* @property selected
* @type Boolean
* @default false
*/
selected : false,
/**
* Custom CSS class or array of classes to be applied to every cell in the Column.
*
* @property className
* @type String || String[]
*/
className : null,
/**
* Defines a format function.
*
* @property formatter
* @type String || HTMLFunction
*/
formatter : null,
/**
* Defines an editor function, otherwise Column is not editable.
*
* @property editor
* @type String || HTMLFunction
*/
editor : null,
/**
* Defines editor options for Column in an object literal of param:value pairs.
*
* @property editorOptions
* @type Object
*/
editorOptions : null,
/**
* True if Column is resizeable, false otherwise. The Drag & Drop Utility is
* required to enable this feature. Only bottom-level and non-nested Columns are
* resizeble.
*
* @property resizeable
* @type Boolean
* @default false
*/
resizeable : false,
/**
* True if Column is sortable, false otherwise.
*
* @property sortable
* @type Boolean
* @default false
*/
sortable : false,
/**
* @property sortOptions.defaultOrder
* @deprecated Use sortOptions.defaultDir.
*/
/**
* Default sort direction for Column: YAHOO.widget.DataTable.CLASS_ASC or YAHOO.widget.DataTable.CLASS_DESC.
*
* @property sortOptions.defaultDir
* @type String
* @default null
*/
/**
* Custom sort handler.
*
* @property sortOptions.sortFunction
* @type Function
* @default null
*/
sortOptions : null,
/////////////////////////////////////////////////////////////////////////////
//
// Public methods
//
/////////////////////////////////////////////////////////////////////////////
/**
* Returns unique ID string.
*
* @method getId
* @return {String} Unique ID string.
*/
getId : function() {
return this._sId;
},
/**
* Column instance name, for logging.
*
* @method toString
* @return {String} Column's unique name.
*/
toString : function() {
return "Column instance " + this._sId;
},
/**
* Returns object literal definition.
*
* @method getDefinition
* @return {Object} Object literal definition.
*/
getDefinition : function() {
var oDefinition = this._oDefinition;
// Update the definition
oDefinition.abbr = this.abbr;
oDefinition.className = this.className;
oDefinition.editor = this.editor;
oDefinition.editorOptions = this.editorOptions;
oDefinition.formatter = this.formatter;
oDefinition.key = this.key;
oDefinition.label = this.label;
oDefinition.minWidth = this.minWidth;
oDefinition.resizeable = this.resizeable;
oDefinition.sortable = this.sortable;
oDefinition.sortOptions = this.sortOptions;
oDefinition.width = this.width;
return oDefinition;
},
/**
* Returns unique Column key.
*
* @method getKey
* @return {String} Column key.
*/
getKey : function() {
return this.key;
},
/**
* Public accessor returns Column's current position index within its
* ColumnSet's keys array, if applicable. Only non-nested and bottom-level
* child Columns will return a value.
*
* @method getKeyIndex
* @return {Number} Position index, or null.
*/
getKeyIndex : function() {
return this._nKeyIndex;
},
/**
* Public accessor returns Column's current position index within its
* ColumnSet's tree array, if applicable. Only non-nested and top-level parent
* Columns will return a value;
*
* @method getTreeIndex
* @return {Number} Position index, or null.
*/
getTreeIndex : function() {
return this._nTreeIndex;
},
/**
* Public accessor returns Column's parent instance if any, or null otherwise.
*
* @method getParent
* @return {YAHOO.widget.Column} Column's parent instance.
*/
getParent : function() {
return this._oParent;
},
/**
* Public accessor returns Column's calculated COLSPAN value.
*
* @method getColspan
* @return {Number} Column's COLSPAN value.
*/
getColspan : function() {
return this._nColspan;
},
// Backward compatibility
getColSpan : function() {
YAHOO.log("The method getColSpan() has been" +
" deprecated in favor of getColspan()", "warn", this.toString());
return this.getColspan();
},
/**
* Public accessor returns Column's calculated ROWSPAN value.
*
* @method getRowspan
* @return {Number} Column's ROWSPAN value.
*/
getRowspan : function() {
return this._nRowspan;
},
/**
* Returns DOM reference to the key TH element.
*
* @method getThEl
* @return {HTMLElement} TH element.
*/
getThEl : function() {
return this._elTh;
},
/**
* Returns DOM reference to the resizer element, or null.
*
* @method getResizerEl
* @return {HTMLElement} DIV element.
*/
getResizerEl : function() {
return this._elResizer;
},
// Backward compatibility
/**
* @method getColEl
* @deprecated Use getThEl
*/
getColEl : function() {
YAHOO.log("The method getColEl() has been" +
" deprecated in favor of getThEl()", "warn",
this.toString());
return this.getThEl();
},
getIndex : function() {
YAHOO.log("The method getIndex() has been" +
" deprecated in favor of getKeyIndex()", "warn",
this.toString());
return this.getKeyIndex();
},
format : function() {
YAHOO.log("The method format() has been deprecated in favor of the " +
"DataTable method formatCell()", "error", this.toString());
}
};
/****************************************************************************/
/****************************************************************************/
/****************************************************************************/
/**
* Sort static utility to support Column sorting.
*
* @namespace YAHOO.util
* @class Sort
* @static
*/
YAHOO.util.Sort = {
/////////////////////////////////////////////////////////////////////////////
//
// Public methods
//
/////////////////////////////////////////////////////////////////////////////
/**
* Comparator function for simple case-insensitive string sorting.
*
* @method compare
* @param a {Object} First sort argument.
* @param b {Object} Second sort argument.
* @param desc {Boolean} True if sort direction is descending, false if
* sort direction is ascending.
*/
compare: function(a, b, desc) {
if((a === null) || (typeof a == "undefined")) {
if((b === null) || (typeof b == "undefined")) {
return 0;
}
else {
return 1;
}
}
else if((b === null) || (typeof b == "undefined")) {
return -1;
}
if(a.constructor == String) {
a = a.toLowerCase();
}
if(b.constructor == String) {
b = b.toLowerCase();
}
if(a < b) {
return (desc) ? 1 : -1;
}
else if (a > b) {
return (desc) ? -1 : 1;
}
else {
return 0;
}
}
};
/****************************************************************************/
/****************************************************************************/
/****************************************************************************/
/**
* ColumnDD subclasses DragDrop to support rearrangeable Columns.
*
* @namespace YAHOO.util
* @class ColumnDD
* @extends YAHOO.util.DDProxy
* @constructor
* @param oDataTable {YAHOO.widget.DataTable} DataTable instance.
* @param oColumn {YAHOO.widget.Column} Column instance.
* @param elTh {HTMLElement} TH element reference.
* @param elTarget {HTMLElement} Drag target element.
*/
YAHOO.widget.ColumnDD = function(oDataTable, oColumn, elTh, elTarget) {
if(oDataTable && oColumn && elTh && elTarget) {
this.datatable = oDataTable;
this.table = oDataTable.getTheadEl().parentNode;
this.column = oColumn;
this.headCell = elTh;
this.pointer = elTarget;
this.newIndex = null;
this.init(elTh);
this.initFrame(); // Needed for DDProxy
this.invalidHandleTypes = {};
//Set padding to account for children of nested columns
this.setPadding(10, 0, (this.datatable.getTheadEl().offsetHeight + 10) , 0);
}
else {
YAHOO.log("Column dragdrop could not be created","warn");
}
};
if(YAHOO.util.DDProxy) {
YAHOO.extend(YAHOO.widget.ColumnDD, YAHOO.util.DDProxy, {
initConstraints: function() {
//Get the top, right, bottom and left positions
var region = YAHOO.util.Dom.getRegion(this.table),
//Get the element we are working on
el = this.getEl(),
//Get the xy position of it
xy = YAHOO.util.Dom.getXY(el),
//Get the width and height
width = parseInt(YAHOO.util.Dom.getStyle(el, 'width'), 10),
height = parseInt(YAHOO.util.Dom.getStyle(el, 'height'), 10),
//Set left to x minus left
left = ((xy[0] - region.left) + 15), //Buffer of 15px
//Set right to right minus x minus width
right = ((region.right - xy[0] - width) + 15);
//Set the constraints based on the above calculations
this.setXConstraint(left, right);
this.setYConstraint(10, 10);
YAHOO.util.Event.on(window, 'resize', function() {
this.initConstraints();
}, this, true);
},
_resizeProxy: function() {
this.constructor.superclass._resizeProxy.apply(this, arguments);
var dragEl = this.getDragEl(),
el = this.getEl();
YAHOO.util.Dom.setStyle(this.pointer, 'height', (this.table.parentNode.offsetHeight + 10) + 'px');
YAHOO.util.Dom.setStyle(this.pointer, 'display', 'block');
var xy = YAHOO.util.Dom.getXY(el);
YAHOO.util.Dom.setXY(this.pointer, [xy[0], (xy[1] - 5)]);
YAHOO.util.Dom.setStyle(dragEl, 'height', this.datatable.getContainerEl().offsetHeight + "px");
YAHOO.util.Dom.setStyle(dragEl, 'width', (parseInt(YAHOO.util.Dom.getStyle(dragEl, 'width'),10) + 4) + 'px');
YAHOO.util.Dom.setXY(this.dragEl, xy);
},
onMouseDown: function() {
this.initConstraints();
this.resetConstraints();
},
clickValidator: function(e) {
if(!this.column.hidden) {
var target = YAHOO.util.Event.getTarget(e);
return ( this.isValidHandleChild(target) &&
(this.id == this.handleElId ||
this.DDM.handleWasClicked(target, this.id)) );
}
},
onDragOver: function(ev, id) {
// Validate target
var target = this.datatable.getColumn(id);
if(target) {
var mouseX = YAHOO.util.Event.getPageX(ev),
targetX = YAHOO.util.Dom.getX(id),
midX = targetX + ((YAHOO.util.Dom.get(id).offsetWidth)/2),
currentIndex = this.column.getTreeIndex(),
targetIndex = target.getTreeIndex(),
newIndex = targetIndex;
if (mouseX < midX) {
YAHOO.util.Dom.setX(this.pointer, targetX);
} else {
var thisWidth = parseInt(target.getThEl().offsetWidth, 10);
YAHOO.util.Dom.setX(this.pointer, (targetX + thisWidth));
newIndex++;
}
if (targetIndex > currentIndex) {
newIndex--;
}
if(newIndex < 0) {
newIndex = 0;
}
else if(newIndex > this.datatable.getColumnSet().tree[0].length) {
newIndex = this.datatable.getColumnSet().tree[0].length;
}
this.newIndex = newIndex;
}
},
onDragDrop: function() {
if(YAHOO.lang.isNumber(this.newIndex) && (this.newIndex !== this.column.getTreeIndex())) {
var oDataTable = this.datatable;
oDataTable._oChain.stop();
var aColumnDefs = oDataTable._oColumnSet.getDefinitions();
var oColumn = aColumnDefs.splice(this.column.getTreeIndex(),1)[0];
aColumnDefs.splice(this.newIndex, 0, oColumn);
oDataTable._initColumnSet(aColumnDefs);
oDataTable._initTheadEls();
oDataTable.render();
}
},
endDrag: function() {
this.newIndex = null;
YAHOO.util.Dom.setStyle(this.pointer, 'display', 'none');
}
});
}
/****************************************************************************/
/****************************************************************************/
/****************************************************************************/
/**
* ColumnResizer subclasses DragDrop to support resizeable Columns.
*
* @namespace YAHOO.util
* @class ColumnResizer
* @extends YAHOO.util.DDProxy
* @constructor
* @param oDataTable {YAHOO.widget.DataTable} DataTable instance.
* @param oColumn {YAHOO.widget.Column} Column instance.
* @param elTh {HTMLElement} TH element reference.
* @param sHandleElId {String} DOM ID of the handle element that causes the resize.
* @param elProxy {HTMLElement} Resizer proxy element.
*/
YAHOO.util.ColumnResizer = function(oDataTable, oColumn, elTh, sHandleId, elProxy) {
if(oDataTable && oColumn && elTh && sHandleId) {
this.datatable = oDataTable;
this.column = oColumn;
this.headCell = elTh;
this.headCellLiner = elTh.firstChild;
this.init(sHandleId, sHandleId, {dragOnly:true, dragElId: elProxy.id});
this.initFrame(); // Needed for proxy
}
else {
YAHOO.log("Column resizer could not be created","warn");
}
};
if(YAHOO.util.DD) {
YAHOO.extend(YAHOO.util.ColumnResizer, YAHOO.util.DDProxy, {
/////////////////////////////////////////////////////////////////////////////
//
// Public methods
//
/////////////////////////////////////////////////////////////////////////////
/**
* Resets resizer element.
*
* @method resetResizerEl
*/
resetResizerEl : function() {
var resizerStyle = YAHOO.util.Dom.get(this.handleElId).style;
resizerStyle.left = "auto";
resizerStyle.right = 0;
resizerStyle.top = "auto";
resizerStyle.bottom = 0;
},
/////////////////////////////////////////////////////////////////////////////
//
// Public DOM event handlers
//
/////////////////////////////////////////////////////////////////////////////
/**
* Handles mouseup events on the Column resizer.
*
* @method onMouseUp
* @param e {string} The mouseup event
*/
onMouseUp : function(e) {
this.resetResizerEl();
this.datatable.fireEvent("columnResizeEvent", {column:this.column,target:this.headCell});
},
/**
* Handles mousedown events on the Column resizer.
*
* @method onMouseDown
* @param e {string} The mousedown event
*/
onMouseDown : function(e) {
this.startWidth = this.headCell.firstChild.offsetWidth;
this.startX = YAHOO.util.Event.getXY(e)[0];
this.nLinerPadding = (parseInt(YAHOO.util.Dom.getStyle(this.headCellLiner,"paddingLeft"),10)|0) +
(parseInt(YAHOO.util.Dom.getStyle(this.headCellLiner,"paddingRight"),10)|0);
},
/**
* Custom clickValidator to ensure Column is not in hidden state.
*
* @method clickValidator
* @param {Event} e
* @private
*/
clickValidator : function(e) {
if(!this.column.hidden) {
var target = YAHOO.util.Event.getTarget(e);
return ( this.isValidHandleChild(target) &&
(this.id == this.handleElId ||
this.DDM.handleWasClicked(target, this.id)) );
}
},
/**
* Handles drag events on the Column resizer.
*
* @method onDrag
* @param e {string} The drag event
*/
onDrag : function(e) {
var newX = YAHOO.util.Event.getXY(e)[0];
if(newX > YAHOO.util.Dom.getX(this.headCellLiner)) {
var offsetX = newX - this.startX;
var newWidth = this.startWidth + offsetX - this.nLinerPadding;
this.datatable.setColumnWidth(this.column, newWidth);
}
}
});
}