list2.js

ajax 框价．是个好工具．javascript 矿家．可以用在任何平台．

/*
	Class: List2
	Description: The same thing as BiList.
*/
function List2(oData)
{
	BiTreeView.call(this);

	this.setItems(oData);

	// Event Listeners
	this.addEventListener("dblclick", this._itemMouseAction);
	this.addEventListener("keypress", this._onKeyPress, this);
	this.addEventListener("keypress", this._itemKeyAction);
	this.getSelectionModel().addEventListener("change", function(e){this._changeListener();}, this);

	// UI Adjustments
	this.getViewManager().getHighlightSortColumn = this.getViewManager().getShowRowHeaders = this.getViewManager().getShowGridLines = this.getViewManager().getShowHeaders = function(){return false;};
	this.getViewManager().getColumnWidth = function(x){
		if(!this.getTreeView().getCreated()) return 0;
		return Math.abs(this.getTreeView().getClientWidth());
	};
	this.getViewManager().getIndentColumn = function(){return -1;};
	this.getDataModel().getHasIcon = function(x, y){return x == 0;};
	this.setOverflowX("hidden");

	// Icon path
	this._iconUri = application.getPath() + "/images/file.png";
}
_p = List2.prototype = new BiTreeView;
_p._className = "List2";
_p._showIcon = false;
_p._iconUri = null;
_p._dataSource = null;
_p._allowInlineFind = false;
_p._dataTextField = null;
_p._dataUserValueField = null;
_p._dataPageSize = null;
_p._dataPageCount = 1;
_p._currentDataPage = 0;
_p._accumulatedKeys = "";
_p._syncWithCommmand = BiList.prototype._syncWithCommmand;
_p.setAllowInlineFind = BiList.prototype.setAllowInlineFind;
_p.getAllowInlineFind = BiList.prototype.getAllowInlineFind;
_p.getDataSource = BiList.prototype.getDataSource;
_p.setDataSource = BiList.prototype.setDataSource;
_p.getUserValue = BiList.prototype.getUserValue;
_p.getUserValues = BiList.prototype.getUserValues;
_p.setValue = _p.setUserValue;
_p.getValue = _p.getUserValue;
_p.getValues = _p.getUserValues;
_p.getDataTextField = BiList.prototype.getDataTextField;
_p.setDataTextField = BiList.prototype.setDataTextField;
_p.getDataUserValueField = BiList.prototype.getDataUserValueField;
_p.setDataUserValueField = BiList.prototype.setDataUserValueField;
_p.getDataPageSize = BiList.prototype.getDataPageSize;
_p.getDataPageCount = BiList.prototype.getDataPageCount;
_p.getCurrentDataPage = BiList.prototype.getCurrentDataPage
_p.setDataPageSize = BiList.prototype.setDataPageSize;
_p.setCurrentDataPage = BiList.prototype.setCurrentDataPage;
_p.dataBind = BiList.prototype.dataBind;
_p.findString = BiList.prototype.findString;
_p.findStringExact = BiList.prototype.findStringExact;
_p.findUserValueExact = BiList.prototype.findUserValueExact;
_p.findValueExact = _p.findUserValueExact;

// Hide/show the icon beside a list item
_p.setShowIcon = function(bBool)
{
	this._showIcon = bBool;
	this.update();
}

// Returns whether the icon is showing
_p.getShowIcon = function()
{
	return this._showIcon;
}

// Sets the URI for the Icon (Icon path)
_p.setIconUri = function(oUri)
{
	this._iconUri = oUri;
	this.update();
}

// Returns the URI of the icon
_p.getIconUri = function()
{
	return this._iconUri;
}

// Sets the uservalue for the list
// Param: uservalue of a List2Item
// Return: void
_p.setUserValue = function(oUserValue)
{
	var s = this.getSelectedItems();
	for(var i = 0; i < s.length; i++)
		s[i].setSelected(false);

	var c = this.findUserValueExact(oUserValue);
	this._userValue = c.getUserValue();
	c.setSelected(true);
	this.update();
}

_p._setUserValue = function(oUserValue)
{
	this._userValue = oUserValue;
}

// Creates a new List2Item from BiDataRow
// Return: List2Item
// Param: DataRow
_p.createItemFromDataRow = function(oRow)
{
	return new List2Item(oRow.getValueByName(this._dataTextField), oRow.getValueByName(this._dataUserValueField));
};

// Sets/unsets the multiple selection option.
// Return: void
// Param: boolean
_p.setMultipleSelection = function(bBool)
{
	this.getSelectionModel().setMultipleSelection(bBool);
	var c = this.getSelectedItems();

	for(var i = 1; i < c.length; i++)
		c[i].setSelected(false);

	this.update();
}

// Returns if multiple selection is allowed
// Return: boolean
// Param: None
_p.getMultipleSelection = function()
{
	return this.getSelectionModel().getMultipleSelection();
}

// Returns the selected items in the list
// Return: List2Item[]
// Param: None
_p.getSelectedItems = function()
{
	if(this.getItemCount() == 0)
		return [];

	var a = this.getSelectionModel().getSelectedItems();

	for(var i = 0; i < a.length; i++)
		a[i] = this.getItemAt(a[i].getRow());

	return a;
}

// Returns the first selected item
// Return: List2Item
// Param: None
_p.getSelectedItem = function()
{
	var s = this.getSelectionModel().getSelectedItems()[0];

	if(s)
		return this.getItemAt(s.getRow());

	return null;
}

// Selects all items in the list
_p.selectAll = _p.selectAllItems = function()
{
	this.getSelectionModel().selectAll();
}

// Selects all items in the list
_p.deselectAll = _p.deselectAllItems = function()
{
	this.getSelectionModel().deselectAll();
}

// Sets the selected item for this list. The item must be in the list
// Param: List2Item, boolean
// Return: void
_p.setItemSelected = function(oItem, bSelected)
{
	if(this.getItemAt(oItem._index) == oItem)
	{
		oItem._selected = bSelected;
		this.getSelectionModel().setRowSelected(oItem._index, bSelected);

		if(bSelected)
			this.scrollItemIntoView(oItem);
	}
}

_p.contains = function(oObj)
{
	if(oObj instanceof List2Item)
		for(var i = 0; i < this.getItemCount(); i++)
			if(this.getItemAt(i) == oObj)
				return true;
	else
		for(var i = 0; i < this.getItemCount(); i++)
			if(this.getItemAt(i).getText() == oObj)
				return true;

	return false;
}

// Returns whether a particular item is selected
_p.getItemSelected = function(oItem)
{
	if(this.getItemAt(oItem._index) == oItem)
		return this.getDataModel()._rows[oItem._index].selected;

	throw new Error("Item not part of collection!");
}

// Sorts the List2
// Return: void
// Param:
//		x - The index from where to sort
//		bAscending - Sort in ascending/desending order. true for ascending, false for descending
_p.sort = function(x, bAscending)
{
	this.getDataModel().sort(x, bAscending);
}

// Sets the items for this list.
// Clears the current items.
// Param: List2Item[]
// Return: void
_p.setItems = function(oData)
{
	if(!oData || oData.length == 0)
		oData = [new List2Item()];

	var a = new Array(oData.length);
	for(var i = 0; i < a.length; i++)
	{
		oData[i]._index = i;
		oData[i]._parent = this;
		a[i] = [oData[i]];
	}

	if(this.getDataModel())
		this.getDataModel().dispose();

	this.setDataModel(new List2DataModel(a, this));
	this.removeItemAt(0);
}

// Appends a List2Item[] to the end of a List2
// Param: List2Item[]
// Return: void
_p.addItems = function(oItems)
{
	var l = this.getItemCount();
	var n;

	for(var i = 0; i < oItems.length; i++)
	{
		n = l + i;
		oItems[i]._index = n;
		oItems[i]._parent = this;
		this._set(n, oItems[i]);
	}

	this.update();
}

// Appends a List2Item to the end of a List2
// Param: List2Item
// Return: void
_p.addItem = _p.add = function(oItem)
{
	if(oItem instanceof BiListItem)
	{
		var l = this.getItemCount();
		this.getSelectionModel().adjustSelection(l, 1);
		this._set(l, oItem);
		this.update();
	}
	else
	{
		BiTreeView.prototype.add.apply(this, arguments);
	}
}

// Inserts an item at a particular position in the list
// Param:
//		i - Index [0 >= i < listSize - 1]
//		oItem - List2Item
// Return: void
_p.insertItemAt = _p.insertAt = function(i, oItem)
{
	oItem._index = i;
	oItem._parent = this;
	this.getDataModel().insertRowAt([oItem], i);

	for(var j = i + 1; j < this.getItemCount(); j++)
		this.getItemAt(j)._index = j;

	this.updateContentSize();
}

// Removes a List2Item from a specified index
// Param: Number
// Return: void
_p.removeItemAt = _p.removeAt = function(i)
{
	this.getSelectionModel().adjustSelection(i, -1);
	this.getItemAt(i).dispose();
	this.getDataModel().removeRowAt(i);

	for(var j = i; j < this.getItemCount(); j++)
		this.getItemAt(j)._index--;
}

// Removes a List2Item from the list
// Param: List2Item
// Return: void
_p.removeItem = _p.remove = function(oItem)
{
	if(oItem instanceof BiListItem)
	{
		this.removeItemAt(this.indexOfItem(oItem));
	}
	else
	{
		BiTreeView.prototype.remove.apply(this, arguments);
	}
}

// Removes all Items from the list
// Param: None
// Return: void
_p.removeAllItems = _p.removeAll = function()
{
	while(this.getItemCount() > 0)
		this.removeItemAt(0);
}

// Sets the item at a particular index to be oItem
// Param: Number, List2Item
// Return: void
_p.setItemAt = _p.set = function(i, oItem)
{
	this._set(i, oItem);
	this.updateRow(i);
}

// Returns the List2Item at a particular index
// Param: Number
// Return: List2Item
_p.getItemAt = _p.get = function(i)
{
	return this.getDataModel().getDataAt(i)[0];
}

// Returns the first item in the list
_p.getFirstChild = _p.getFirst = function()
{
	return this.getItemAt(0);
}

// Returns the last item in the list
_p.getLastChild = _p.getLast = function()
{
	if(this.getItemCount() > 0)
		return this.getItemAt(this.getItemCount() - 1);