dhtmlxgrid_selection.js

WEB表格控件

//v.1.6 build 80512

/*
Copyright DHTMLX LTD. http://www.dhtmlx.com
You allowed to use this component or parts of it under GPL terms
To use it on other terms or get Professional edition of the component please contact us at [e-mail]
*/

dhtmlXGridObject.prototype.enableBlockSelection = function(mode)
{if (typeof this._bs_mode == "undefined"){var self = this;this.obj.onmousedown = function(e) {if (self._bs_mode)self._OnSelectionStart((e||event),this);return true};this._CSVRowDelimiter = this.csv.row;this.attachEvent("onResize", function() {self._HideSelection();return true});this.attachEvent("onFilterEnd",this._HideSelection)};if (mode===false){this._bs_mode=false;return this._HideSelection()}else this._bs_mode=true};dhtmlXGridObject.prototype.forceLabelSelection = function(mode)
{this._strictText = convertStringToBoolean(mode)
};dhtmlXGridObject.prototype.disableBlockSelection = function()
{this.obj.onmousedown = null};dhtmlXGridObject.prototype._OnSelectionStart = function(event, obj)
{var self = this;if (!self.isActive)self.setActive(true);var pos = this.getPosition(this.obj);var x = event.clientX - pos[0] +document.body.scrollLeft;var y = event.clientY - pos[1] +document.body.scrollTop;this._CreateSelection(x-4, y-4);var src = event.srcElement || event.target;if (src == this._selectionObj){this._HideSelection();this._startSelectionCell = null}else {while (src.tagName.toLowerCase()!= 'td')
 src = src.parentNode;this._startSelectionCell = src};this.obj.onmousedown = null;this.obj[_isIE?"onmouseleave":"onmouseout"] = function(e){if (self._blsTimer)window.clearTimeout(self._blsTimer)};this.obj.onmmold=this.obj.onmousemove;this._init_pos=[x,y];this.obj.onmousemove = function(e) {e = e||event;e.returnValue = false;self._OnSelectionMove(e)};this._oldDMP=document.body.onmouseup;document.body.onmouseup = function(e) {e = e||event;self._OnSelectionStop(e, this);return true};document.body.onselectstart = function(){return false}};dhtmlXGridObject.prototype._getCellByPos = function(x,y){x=x;y=y;var _x=0;for (var i=0;i < this.obj.rows.length;i++){y-=this.obj.rows[i].offsetHeight;if (y<=0){_x=this.obj.rows[i];break}};if (!_x || !_x.idd)return null;for (var i=0;i < this._cCount;i++){x-=this.obj.rows[0].childNodes[i].offsetWidth;if (x<=0){while(true){if (_x._childIndexes && _x._childIndexes[i+1]==_x._childIndexes[i])_x=_x.previousSibling;else 
 return this.cells(_x.idd,i).cell}}};return null};dhtmlXGridObject.prototype._OnSelectionMove = function(event)
{var self=this;this._ShowSelection();var pos = this.getPosition(this.obj);var X = event.clientX - pos[0]+document.body.scrollLeft;var Y = event.clientY - pos[1]+document.body.scrollTop;if ((Math.abs(this._init_pos[0]-X)<5) && (Math.abs(this._init_pos[1]-Y)<5)) return this._HideSelection();if(this._startSelectionCell==null)this._endSelectionCell = this._startSelectionCell = this.getFirstParentOfType(event.srcElement || event.target,"TD");else
 if (event.srcElement || event.target){if ((event.srcElement || event.target).className == "dhtmlxGrid_selection")
 this._endSelectionCell=(this._getCellByPos(X,Y)||this._endSelectionCell);else {var t = this.getFirstParentOfType(event.srcElement || event.target,"TD");if (t.parentNode.idd)this._endSelectionCell = t}};var BottomRightX = this.objBox.scrollLeft + this.objBox.clientWidth;var BottomRightY = this.objBox.scrollTop + this.objBox.clientHeight;var TopLeftX = this.objBox.scrollLeft;var TopLeftY = this.objBox.scrollTop;var nextCall=false;if (this._blsTimer)window.clearTimeout(this._blsTimer);if (X+20 >= BottomRightX){this.objBox.scrollLeft = this.objBox.scrollLeft+20;nextCall=true}else if (X-20 < TopLeftX){this.objBox.scrollLeft = this.objBox.scrollLeft-20;nextCall=true};if (Y+20 >= BottomRightY){this.objBox.scrollTop = this.objBox.scrollTop+20;nextCall=true}else if (Y-20 < TopLeftY){this.objBox.scrollTop = this.objBox.scrollTop-20;nextCall=true};this._selectionArea = this._RedrawSelectionPos(this._startSelectionCell, this._endSelectionCell);if (nextCall){var a=event.clientX;var b=event.clientY;this._blsTimer=window.setTimeout(function(){self._OnSelectionMove({clientX:a,clientY:b})},100)}};dhtmlXGridObject.prototype._OnSelectionStop = function(event)
{var self = this;if (this._blsTimer)window.clearTimeout(this._blsTimer);this.obj.onmousedown = function(e) {if (self._bs_mode)self._OnSelectionStart((e||event), this);return true};this.obj.onmousemove = this.obj.onmmold||null;document.body.onmouseup = this._oldDMP||null;if ( parseInt( this._selectionObj.style.width )< 2 && parseInt( this._selectionObj.style.height ) < 2) {this._HideSelection()}else {var src = this.getFirstParentOfType(event.srcElement || event.target,"TD");if ((!src)|| (!src.parentNode.idd)){src=this._endSelectionCell};if (!src)return this._HideSelection();while (src.tagName.toLowerCase()!= 'td')
 src = src.parentNode;this._stopSelectionCell = src;this._selectionArea = this._RedrawSelectionPos(this._startSelectionCell, this._stopSelectionCell);this.callEvent("onBlockSelected",[])};document.body.onselectstart = function(){}};dhtmlXGridObject.prototype._RedrawSelectionPos = function(LeftTop, RightBottom)
{var pos = {};pos.LeftTopCol = LeftTop._cellIndex;pos.LeftTopRow = this.getRowIndex( LeftTop.parentNode.idd );pos.RightBottomCol = RightBottom._cellIndex;pos.RightBottomRow = this.getRowIndex( RightBottom.parentNode.idd );var LeftTop_width = LeftTop.offsetWidth;var LeftTop_height = LeftTop.offsetHeight;LeftTop = this.getPosition(LeftTop, this.obj);var RightBottom_width = RightBottom.offsetWidth;var RightBottom_height = RightBottom.offsetHeight;RightBottom = this.getPosition(RightBottom, this.obj);if (LeftTop[0] < RightBottom[0]){var Left = LeftTop[0];var Right = RightBottom[0] + RightBottom_width}else {var foo = pos.RightBottomCol;pos.RightBottomCol = pos.LeftTopCol;pos.LeftTopCol = foo;var Left = RightBottom[0];var Right = LeftTop[0] + LeftTop_width};if (LeftTop[1] < RightBottom[1]){var Top = LeftTop[1];var Bottom = RightBottom[1] + RightBottom_height}else {var foo = pos.RightBottomRow;pos.RightBottomRow = pos.LeftTopRow;pos.LeftTopRow = foo;var Top = RightBottom[1];var Bottom = LeftTop[1] + LeftTop_height};var Width = Right - Left;var Height = Bottom - Top;this._selectionObj.style.left = Left + 'px';this._selectionObj.style.top = Top + 'px';this._selectionObj.style.width = Width + 'px';this._selectionObj.style.height = Height + 'px';return pos};dhtmlXGridObject.prototype._CreateSelection = function(x, y)
{if (this._selectionObj == null){var div = document.createElement('div');div.style.position = 'absolute';div.style.display = 'none';div.className = 'dhtmlxGrid_selection';this._selectionObj = div;this.obj.appendChild(this._selectionObj)};this._selectionObj.style.width = '0px';this._selectionObj.style.height = '0px';this._selectionObj.style.left = x + 'px';this._selectionObj.style.top = y + 'px';this._selectionObj.startX = x;this._selectionObj.startY = y};dhtmlXGridObject.prototype._ShowSelection = function()
{if (this._selectionObj)this._selectionObj.style.display = ''};dhtmlXGridObject.prototype._HideSelection = function()
{if (this._selectionObj)this._selectionObj.style.display = 'none';this._selectionArea = null};dhtmlXGridObject.prototype.copyBlockToClipboard = function()
{if ( this._selectionArea != null ){var serialized = new Array();if (this._mathSerialization)this._agetm="getMathValue";else if (this._strictText)this._agetm="getTitle";else this._agetm="getValue";for (var i=this._selectionArea.LeftTopRow;i<=this._selectionArea.RightBottomRow;i++){var data = this._serializeRowToCVS(this.rowsCol[i], null, this._selectionArea.LeftTopCol, this._selectionArea.RightBottomCol+1);if (!this._csvAID)serialized[serialized.length] = data.substr( data.indexOf( this.csv.cell ) + 1 );else
 serialized[serialized.length] = data};serialized = serialized.join(this._CSVRowDelimiter);this.toClipBoard(serialized)}};dhtmlXGridObject.prototype.pasteBlockFromClipboard = function()
{var serialized = this.fromClipBoard();if (this._selectionArea != null){var startRow = this._selectionArea.LeftTopRow;var startCol = this._selectionArea.LeftTopCol}else if (this.cell != null && !this.editor){var startRow = this.getRowIndex( this.cell.parentNode.idd );var startCol = this.cell._cellIndex}else {return false};serialized = serialized.split(this._CSVRowDelimiter);if ((serialized.length >1)&&(serialized[serialized.length-1]==""))
 serialized.splice(serialized.length-1);for (var i=0;i<serialized.length;i++){serialized[i] = serialized[i].split(this.csv.cell)};var endRow = startRow+serialized.length;var endCol = startCol+serialized[0].length;if (endCol > this._cCount)endCol = this._cCount;var k = 0;for (var i=startRow;i<endRow;i++){var row = this.rowsCol[i];if (!row)continue;var l = 0;for (var j=startCol;j<endCol;j++){var ed = this.cells3(row, j);if (this._onEditUndoRedo)this._onEditUndoRedo(2, row.idd, j, serialized[ k ][ l ], ed.getValue());if (ed.combo){var comboVa = ed.combo.values;for(var n=0;n<comboVa.length;n++)if (serialized[ k ][ l ] == comboVa[n]){ed.setValue( ed.combo.keys[ n ]);comboVa=null;break};if (comboVa!=null)ed.setValue( serialized[ k ][ l++ ] )}else
 ed[ ed.setImage ? "setLabel" : "setValue" ]( serialized[ k ][ l++ ] );ed.cell.wasChanged=true};this.callEvent("onRowPaste",[row.idd])
 k++}};
//v.1.6 build 80512

/*
Copyright DHTMLX LTD. http://www.dhtmlx.com
You allowed to use this component or parts of it under GPL terms
To use it on other terms or get Professional edition of the component please contact us at [e-mail]
*/