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<< Click to Display Table of Contents >> GridView - grade_mestre_detalhe.js |
  
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<< Click to Display Table of Contents >> GridView - grade_mestre_detalhe.js |
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//This method will switch the plus to a minus and vice versa on the client side
function ChangePlusMinusText(PlusMinusCellID) {
try {
var PlusMinusCellObj = getElement(PlusMinusCellID);
if (PlusMinusCellObj != null) {
if (PlusMinusCellObj.innerHTML.indexOf("+") != -1) {
PlusMinusCellObj.innerHTML = PlusMinusCellObj.innerHTML.replace("+", "-");
}
else {
PlusMinusCellObj.innerHTML = PlusMinusCellObj.innerHTML.replace("-", "+");
}
}
}
catch (e) {
alert("Error in ChangePlusMinusText Method: " + e);
}
}
//After a postback occurs, this method will re-expand old data.
function ShowExpandedDivInfo(TextBoxIDOfExpandedDiv, DataGridID) {
try {
var DIVTB = getElement(TextBoxIDOfExpandedDiv);
if (DIVTB != null) {
var data = DIVTB.value;
if (data != null && data.length > 0 && data != ",") {
var SplitData = data.split(",");
//Temp variables
var SplitDataOfArrayItem = "";
var DivIdentifier = "";
var PlusMinusCellIdentifier = "";
for (var i = 0; i < SplitData.length; i++) {
//Format of textbox data
//NameOfDIV + "@" + PlusMinusCellID
SplitDataOfArrayItem = SplitData[i].split("@");
//Get the ID of the DIV section
DivIdentifier = SplitDataOfArrayItem[0];
//Get the ID of the Cell with the Plus or Minus showing collapsed or expanded state.
PlusMinusCellIdentifier = SplitDataOfArrayItem[1];
if (DivIdentifier != null && DivIdentifier.length > 0) {
//Expand DIV Section
ShowPanel(DivIdentifier);
}
if (PlusMinusCellIdentifier != null && PlusMinusCellIdentifier.length > 0) {
var PlusMinusCellObj = getElement(PlusMinusCellIdentifier);
if (PlusMinusCellObj != null) {
//We found the cell to expand
PlusMinusCellObj.innerHTML = "[-]";
}
else {
//We DID NOT FIND the cell to expand
//May Have Been Lost After Postback.
//Invoke Method to get id of cell using partial data which will always
//be unique...
var NewPlusMinusCellObjID = getItem(PlusMinusCellIdentifier, DataGridID);
if (NewPlusMinusCellObjID != null) {
var NewCellObject = getElement(NewPlusMinusCellObjID);
if (NewCellObject != null) {
var rows = NewCellObject.getElementsByTagName("td");
if (rows != null && rows.length >= 0) {
//the initial row has to be set to expanded....
try {
rows[0].innerHTML = "[-]";
}
catch (e) {
//alert("Error in setting row
//to expanded in ShowExpandedDivInfo Method.
//Error 101: " + e);
}
}//end of rows if statement
}//end of NewCellObject != null
}//end of NewPlusMinusCellObjID != null
}//end of PlusMinusCellObj != null if else
}//end of PlusMinusCellIdentifier != null
}//end of for loop
}
}
}
catch (e) {
alert("Error in ShowExpandedDivInfo Method: " + e);
}
}
//This will keep the data in the hidden textbox field.
function SetExpandedDIVInfo(PlusMinusCellID, HiddenTextBoxToHoldDivInfo, DIVInfoID) {
try {
var IsExpanded = false;
var HTBObj = getElement(HiddenTextBoxToHoldDivInfo);
var HLObj = getElement(PlusMinusCellID);
if (HLObj != null && HTBObj != null) {
if (HLObj.innerHTML == "[+]") {
IsExpanded = false;
}
else {
IsExpanded = true;
}
//What is in the hidden DIV Textbox field?
var ExpandedData = HTBObj.value;
if (ExpandedData == null || ExpandedData == ",") {
ExpandedData = "";
}
//===============================================================
if (ExpandedData.length < 1 && IsExpanded == true) {
//No Previous Expanded Data.
//Add new Expanded Field.
ExpandedData = DIVInfoID + "@" + PlusMinusCellID;
HTBObj.value = ExpandedData;
}
else if (ExpandedData.length < 1 && IsExpanded == false) {
//No Previous Expanded Data.
//Clean up old Expanded Field.
//ExpandedData is empty, so no work is needed.
}
else if (ExpandedData.length > 0 && ExpandedData.indexOf(DIVInfoID) == -1 && IsExpanded == true) {
//Expanded data has data from before.
//No existing record exists for this field.
//We can add new Expanded field.
//We can use a comma as a delimeter.
ExpandedData = ExpandedData + "," + DIVInfoID + "@" + PlusMinusCellID;
ExpandedData = ExpandedData.replace(",,", ",");
HTBObj.value = ExpandedData;
}
else if (ExpandedData.indexOf(DIVInfoID) > -1 && IsExpanded == true) {
//Expanded data has data from before.
//Existing record exists for this field.
//We do not need to perform any updates.
}
else if (ExpandedData.indexOf(DIVInfoID) > -1 && IsExpanded == false) {
//Expanded data has data from before.
//Existing record exists for this field
//We remove it as it is not expanded any longer.
ExpandedData = ExpandedData.replace(DIVInfoID + "@" + PlusMinusCellID, "");
//Make sure we don't have a double delimeter
ExpandedData = ExpandedData.replace(",,", ",");
HTBObj.value = ExpandedData;
}
else if (ExpandedData.indexOf(DIVInfoID) == -1 && IsExpanded == false) {
//Expanded data has data from before.
//Existing record does not exists for this field
//No work is needed.
}
//Recheck we don't have any garbage data.
//Added because deleting items, causes a comma
//to stay sometimes.
if (HTBObj != null && HTBObj.value == ",") {
HTBObj.value = "";
}
//===============================================================
}
}
catch (e) {
alert("Error in SetExpandedDIVInfo Method: " + e);
}
}
//This method will hide the panel.
function HidePanel(Panel) {
try {
var ChosenPanel = getElement(Panel);
if (ChosenPanel != null) {
getElement(Panel).style.display = "none";
}
}
catch (e) {
alert("Error in HidePanel Method: " + e);
}
}
//This method will show the panel.
function ShowPanel(Panel) {
try {
var ChosenPanel = getElement(Panel);
if (ChosenPanel != null) {
getElement(Panel).style.display = "block";
}
}
catch (e) {
alert("Error in ShowPanel Method: " + e);
}
}
//This method will hide and show the panel.
function HideShowPanel(Panel) {
try {
var ChosenPanel = getElement(Panel);
if (ChosenPanel != null) {
var currentdisplay = getElement(Panel).style.display;
if (currentdisplay != "block") {
getElement(Panel).style.display = "block";
}
else {
getElement(Panel).style.display = "none";
}
}
}
catch (e) {
alert("Error in HideShowPanel Method: " + e);
}
}
//This method will get the object using partial id match.
function getItem(IDSearchCriteria, DataGridID) {
try {
if (IDSearchCriteria == null || IDSearchCriteria.length <= 0) {
return null;
}
else if (DataGridID == null || DataGridID.length <= 0) {
return null;
}
if (document.getElementsByTagName) {
var table = document.getElementById(DataGridID);
if (table != null) {
var rows = table.getElementsByTagName("tr");
for (var i = 0; i < rows.length; i++) {
var Identity = rows[i].id;
if (Identity != null && Identity.length > 0) {
var cellid = IDSearchCriteria.substring(IDSearchCriteria.lastIndexOf("_") + 1);
if (Identity.match(cellid)) {
//alert("Found: " + Identity);
return Identity;
}
}
}
}
return null;
}
else {
return null;
}
}
catch (e) {
alert("Error in getItem Method: " + e);
return null;
}
}
// mostra tudo
function ShowAll() {
var j = 0;
for (j = 0; j < 10; j++) {
var dataid = "uniquename" + j;
ShowPanel(dataid);
}
}
// esconde tudo
function HideAll() {
var j = 0;
for (j = 0; j < 10; j++) {
var dataid = "uniquename" + j;
HidePanel(dataid);
}
}
function getElement(aID) {
return (document.getElementById) ? document.getElementById(aID) : getElement[aID];
}