/*
*    Copyright [2011] [wisemapping]
*
*   Licensed under the Apache License, Version 2.0 (the "License") plus the
*   "powered by wisemapping" text requirement on every single page;
*   you may not use this file except in compliance with the License.
*   You may obtain a copy of the license at
*
*       http://www.wisemapping.org/license
*
*   Unless required by applicable law or agreed to in writing, software
*   distributed under the License is distributed on an "AS IS" BASIS,
*   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*   See the License for the specific language governing permissions and
*   limitations under the License.
*/

Grid = function(parent, colums, rows)
{
    var cellSize = "10px";
    this._parent = parent;
    this._container = this._createContainer();
    var tbody = this._container.firstChild.firstChild;
    for (var i = 0; i < rows; i++)
    {
        var trElement = document.createElement("tr");
        for (var j = 0; j < colums; j++)
        {
            var tdElement = document.createElement("td");
            tdElement.style.width = cellSize;
            tdElement.style.height = cellSize;
            tdElement.style.borderWidth = "1px";
            tdElement.style.borderStyle = "dashed";
            tdElement.style.borderColor = "lightsteelblue";
            trElement.appendChild(tdElement);
        }
        tbody.appendChild(trElement);
    }
};

Grid.prototype.setPosition = function(x, y)
{
    this._container.style.left = x;
    this._container.style.top = y;
};

Grid.prototype.render = function()
{
    this._parent.appendChild(this._container);
};

Grid.prototype._createContainer = function()
{
    var result = window.document.createElement("div");
    result.style.tableLayout = "fixed";
    result.style.borderCollapse = "collapse";
    result.style.emptyCells = "show";
    result.style.position = "absolute";
    result.innerHTML = '<table style="table-layout:fixed;border-collapse:collapse;empty-cells:show;"><tbody id="tableBody"></tbody></table>';
    return  result;
};