/****************************************************
* Spell Checker Client JavaScript Code
****************************************************/
// spell checker constants
var spellURL = "../FreeTextBox/SpellCheck.aspx";
var showCompleteAlert = true;


var tagGroup = new Array("INPUT", "TEXTAREA", "DIV", "SPAN");
// global elements to check
var checkElements = new Array();

function getText(index) {
    var oElement = document.getElementById(checkElements[index]);
    var sText = "";
    switch (oElement.tagName) {
        case "INPUT":
        case "TEXTAREA":
            sText = oElement.value;
            break;
        case "DIV":
        case "SPAN":
        case "BODY":
            sText = oElement.innerHTML;
            break;
        case "IFRAME":
            //var oFrame = eval(oElement.id);
            sText = oElement.contentWindow.document.body.innerHTML;
    }

    return sText;
}

function setText(index, text) {
    var oElement = document.getElementById(checkElements[index]);

    switch (oElement.tagName) {
        case "INPUT":
        case "TEXTAREA":
            oElement.value = text;
            break;
        case "DIV":
        case "SPAN":
            oElement.innerHTML = text;
            break;
        case "IFRAME":
            //var oFrame = eval(oElement.id);
            oElement.contentWindow.document.body.innerHTML = text;
            break;
    }
}

function checkSpelling() {
    checkElements = new Array();
    //loop through all tag groups
    for (var i = 0; i < tagGroup.length; i++) {
        var sTagName = tagGroup[i];
        var oElements = document.getElementsByTagName(sTagName);
        //loop through all elements
        for (var x = 0; x < oElements.length; x++) {
            if ((sTagName == "INPUT" && oElements[x].type == "text") || sTagName == "TEXTAREA")
                checkElements[checkElements.length] = oElements[x].id;
            else if ((sTagName == "DIV" || sTagName == "SPAN") && oElements[x].isContentEditable)
                checkElements[checkElements.length] = oElements[x].id;
        }
    }
    openSpellChecker();
}

function checkSpellingById(id) {
    checkElements = new Array();
    checkElements[checkElements.length] = id;
    openSpellChecker();
}

function checkElementSpelling(oElement) {
    checkElements = new Array();
    checkElements[checkElements.length] = oElement.id;
    openSpellChecker();
}

function openSpellChecker() {
    if (window.showModalDialog)
        var result = window.showModalDialog(spellURL + "?Modal=true", window, "dialogHeight:320px; dialogWidth:400px; edge:Raised; center:Yes; help:No; resizable:No; status:No; scroll:No");
    else
        var newWindow = window.open(spellURL, "newWindow", "height=300,width=400,scrollbars=no,resizable=no,toolbars=no,status=no,menubar=no,location=no");
}


/****************************************************
* Spell Checker Suggestion Window JavaScript Code
****************************************************/
var iElementIndex = -1;
var parentWindow;

function initialize() {
    iElementIndex = parseInt(document.getElementById("ElementIndex").value);

    if (parent.window.dialogArguments)
        parentWindow = parent.window.dialogArguments;
    else if (top.opener)
        parentWindow = top.opener;

    var spellMode = document.getElementById("SpellMode").value;

    switch (spellMode) {
        case "start":
            //do nothing client side
            break;
        case "suggest":
            //update text from parent document
            updateText();
            //wait for input
            break;
        case "end":
            //update text from parent document
            updateText();
            //fall through to default
        default:
            //get text block from parent document
            if (loadText())
                document.SpellingForm.submit();
            else
                endCheck()

            break;
    }
}

function loadText() {
    if (!parentWindow.document)
        return false;

    // check if there is any text to spell check
    for (++iElementIndex; iElementIndex < parentWindow.checkElements.length; iElementIndex++) {
        var newText = parentWindow.getText(iElementIndex);
        if (newText.length > 0) {
            updateSettings(newText, 0, iElementIndex, "start");
            document.getElementById("StatusText").innerText = "Spell Checking Text ...";
            return true;
        }
    }

    return false;
}

function updateSettings(currentText, wordIndex, elementIndex, mode) {
    document.getElementById("CurrentText").value = currentText;
    document.getElementById("WordIndex").value = wordIndex;
    document.getElementById("ElementIndex").value = elementIndex;
    document.getElementById("SpellMode").value = mode;
}

function updateText() {
    if (!parentWindow.document)
        return false;

    var newText = document.getElementById("CurrentText").value;
    parentWindow.setText(iElementIndex, newText);
}

function endCheck() {
    if (showCompleteAlert)
        alert("Spell Check Complete");
    closeWindow();
}

function closeWindow() {
    if (top.opener || parent.window.dialogArguments)
        self.close();
}

function changeWord(oElement) {
    var k = oElement.selectedIndex;
    oElement.form.ReplacementWord.value = oElement.options[k].value;
}