/// <reference name="MicrosoftAjax.js" />
/// <reference name="dnn.js" assembly="DotNetNuke.WebUtility" />

Type.registerNamespace('dnn.util');

dnn.extend(dnn.util, {

    tableReorderMove: function (ctl, bUp, sKey) {
        var oTR = dnn.dom.getParentByTagName(ctl, 'tr');

        if (oTR != null) {
            var oCtr = oTR.parentNode;
            if (oCtr.childNodes[oCtr.childNodes.length - 1].nodeName == "#text") {
                dnn.dom.removeChild(oCtr.childNodes[oCtr.childNodes.length - 1]);
            }
            var iIdx = oTR.rowIndex;
            if (dnn.dom.getAttr(oTR, 'origidx', '') == '-1')
                this.tableReorderSetOriginalIndexes(oCtr);

            var iNextIdx = (bUp ? this.tableReorderGetPrev(oCtr, iIdx - 1) : this.tableReorderGetNext(oCtr, iIdx + 1));
            if (iNextIdx > -1) {
                var aryValues = this.getInputValues(oTR);
                var aryValues2;
                var oSwapNode;
                dnn.dom.removeChild(oTR);
                if (oCtr.childNodes.length > iNextIdx) {
                    oSwapNode = oCtr.childNodes[iNextIdx];
                    aryValues2 = this.getInputValues(oSwapNode);
                    oCtr.insertBefore(oTR, oSwapNode);
                }
                else
                    oCtr.appendChild(oTR);
                this.setInputValues(oTR, aryValues);
                if (oSwapNode)
                    this.setInputValues(oSwapNode, aryValues2);

                dnn.setVar(sKey, this.tableReorderGetNewRowOrder(oCtr));
            }
            return true; //handled client-side
        }
        return false; //cause postback
    },

    getInputValues: function (oCtl) {
        var aryInputs = dnn.dom.getByTagName('input', oCtl);
        var aryValues = new Array();
        for (var i = 0; i < aryInputs.length; i++) {
            if (aryInputs[i].type == 'checkbox')
                aryValues[i] = aryInputs[i].checked;
        }
        return aryValues;
    },

    setInputValues: function (oCtl, aryValues) {
        var aryInputs = dnn.dom.getByTagName('input', oCtl);
        for (var i = 0; i < aryInputs.length; i++) {
            if (aryInputs[i].type == 'checkbox')
                aryInputs[i].checked = aryValues[i];
        }
    },

    tableReorderGetNext: function (oParent, iStartIdx) {
        for (var i = iStartIdx; i < oParent.childNodes.length; i++) {
            var oCtl = oParent.childNodes[i];
            if (dnn.dom.getAttr(oCtl, 'origidx', '') != '')
                return i;
        }
        return -1;
    },

    tableReorderGetPrev: function (oParent, iStartIdx) {
        for (var i = iStartIdx; i >= 0; i--) {
            var oCtl = oParent.childNodes[i];
            if (dnn.dom.getAttr(oCtl, 'origidx', '') != '')
                return i;
        }
        return -1;
    },

    tableReorderSetOriginalIndexes: function (oParent) {
        var iIdx = 0;
        for (var i = 0; i < oParent.childNodes.length; i++) {
            var oCtl = oParent.childNodes[i];
            if (dnn.dom.getAttr(oCtl, 'origidx', '') != '') {
                oCtl.setAttribute('origidx', iIdx.toString());
                iIdx++;
            }
        }
    },

    tableReorderGetNewRowOrder: function (oParent) {
        var sIdx;
        var sRet = '';
        for (var i = 0; i < oParent.childNodes.length; i++) {
            var oCtl = oParent.childNodes[i];
            sIdx = dnn.dom.getAttr(oCtl, 'origidx', '');
            if (sIdx != '')
                sRet += (sRet.length > 0 ? ',' : '') + sIdx;
        }
        return sRet;
    },

    //doesn't belong here...   Don't use outside core, it will be moved
    checkallChecked: function (oCtl, iCellIndex) {
        setTimeout(function () {
            var bChecked = oCtl.checked;
            var oTD = dnn.dom.getParentByTagName(oCtl, 'td');
            var oTR = oTD.parentNode;
            var oCtr = oTR.parentNode;
            var iOffset = 0;

            var oTemp;
            for (var i = 0; i < iCellIndex; i++) //firefox has text nodes
            {
                if (oTR.childNodes[i].tagName == null)
                    iOffset++;
            }

            var oChk;
            for (var i = 0; i < oCtr.childNodes.length; i++) {
                oTR = oCtr.childNodes[i];
                oTD = oTR.childNodes[iCellIndex + iOffset];
                if (oTD != null) {
                    oChk = dnn.dom.getByTagName('input', oTD);
                    if (oChk.length > 0)
                        oChk[0].checked = bChecked;
                }
            }
            //return true;
        }, 10);
    }
});