// Editor toolbar


var edButtons = new Array();
var edLinks = new Array();
var edOpenTags = new Array();

function edButton(id, display, title, tagStart, tagEnd, access, open) {
    this.id = id;               // used to name the toolbar button
    this.display = display;     // label on button
    this.title   = title        // title 
    this.tagStart = tagStart;   // open tag
    this.tagEnd = tagEnd;       // close tag
    this.access = access;       // access key
    this.open = open;           // set to -1 if tag does not need to be closed
}

function zeroise(number, threshold) {
    // FIXME: or we could use an implementation of printf in js here
    var str = number.toString();
    if (number < 0) { str = str.substr(1, str.length) }
    while (str.length < threshold) { str = "0" + str }
    if (number < 0) { str = '-' + str }
    return str;
}

var now = new Date();
var datetime = now.getFullYear() + '-' +
                zeroise(now.getMonth() + 1, 2) + '-' +
                zeroise(now.getDate(), 2) + 'T' +
                zeroise(now.getHours(), 2) + ':' +
                zeroise(now.getMinutes(), 2) + ':' +
                zeroise(now.getSeconds() ,2) +
                // FIXME: we could try handling timezones like +05:30 and the like
                zeroise((now.getTimezoneOffset()/60), 2) + ':' + '00';

edButtons[edButtons.length] =
new edButton('ed_strong'
,'/ht/i/edit/b.gif'
,'Bold characters'
,'[B]'
,'[/B]'
,'b'
);

edButtons[edButtons.length] =
new edButton('ed_em'
,'/ht/i/edit/i.gif'
,'Italic text'
,'[I]'
,'[/I]'
,'i'
);

edButtons[edButtons.length] =
new edButton('ed_un'
,'/ht/i/edit/u.gif'
,'Underlined text'
,'[U]'
,'[/U]'
,'u'
);

edButtons[edButtons.length] =
new edButton('ed_space');

edButtons[edButtons.length] =
new edButton('ed_al'
,'/ht/i/edit/l.gif'
,'Align left'
,'[LEFT]'
,'[/LEFT]'
,'u'
);

edButtons[edButtons.length] =
new edButton('ed_ac'
,'/ht/i/edit/c.gif'
,'Align right'
,'[CENTER]'
,'[/CENTER]'
,'c'
);

edButtons[edButtons.length] =
new edButton('ed_ar'
,'/ht/i/edit/r.gif'
,'Align center'
,'[RIGHT]'
,'[/RIGHT]'
,'r'
);

edButtons[edButtons.length] =
new edButton('ed_space');

edButtons[edButtons.length] =
new edButton('ed_img'
,'/ht/i/edit/photo.gif'
,'Insert image'
,''
,'[/IMG]'
,'i'
);

edButtons[edButtons.length] =
new edButton('ed_email'
,'/ht/i/edit/email.gif'
,'Insert email'
,''
,'[/EMAIL]'
,'e'
);

edButtons[edButtons.length] =
new edButton('ed_link'
,'/ht/i/edit/link.gif'
,'Insert hyperlink'
,''
,'[/URL]'
,'l'
);

edButtons[edButtons.length] =
new edButton('ed_space');

edButtons[edButtons.length] =
new edButton('ed_close'
,'/ht/i/edit/close.gif'
,'Close all tags'
);

/*
edButtons[edButtons.length] =
new edButton('ed_link'
,'link'
,''
,'</a>'
,'a'
); // special case
*/
function edLink() {
    this.display = '';
    this.URL = '';
    this.newWin = 0;
}

function edShowButton(button, i, nd) {
    if (button.id == 'ed_img') {
        var b = document.createElement('span');
        b.setAttribute('id', button.id);
        b.setAttribute('className', "ed_button");
        b.setAttribute('accesskey', button.access);
        //b.onClick = function() { try {edOpenImageWindow(edCanvas, i);} catch (e) {alert( e.message);} }
        b.onclick = function() { edOpenImageWindow(edCanvas, i); }
        b.innerHTML = '<img title="' + button.title + '" src="' + button.display + '" width="23" height="25" border="0">';
        nd.appendChild(b);

        //document.write('<input type="button" id="' + button.id + '" accesskey="' + button.access + '" class="ed_button" onclick="edInsertImage(edCanvas);" value="' + button.display + '" />');
    }
    else if (button.id == 'ed_link') {
        var b = document.createElement('span');
        b.setAttribute('id', button.id);
        b.setAttribute('className', "ed_button");
        b.setAttribute('accesskey', button.access);
        b.onclick = function() { edInsertLink(edCanvas, i); }
        b.innerHTML = '<img title="' + button.title + '" src="' + button.display + '" width="23" height="25" border="0">';
        nd.appendChild(b);

        //document.write('<div id="' + button.id + '" accesskey="' + button.access + '" class="ed_button" onclick="edInsertLink(edCanvas, ' + i + ');"><img title="' + button.title + '" src="' + button.display + '" width="23" height="25" border="0"></div>');
    }
    else if (button.id == 'ed_email') {
        var b = document.createElement('span');
        b.setAttribute('id', button.id);
        b.setAttribute('className', "ed_button");
        b.setAttribute('accesskey', button.access);
        b.onclick = function() { edInsertEmail(edCanvas, i); }
        b.innerHTML = '<img title="' + button.title + '" src="' + button.display + '" width="23" height="25" border="0">';
        nd.appendChild(b);

        //document.write('<div id="' + button.id + '" accesskey="' + button.access + '" class="ed_button" onclick="edInsertEmail(edCanvas, ' + i + ');"><img title="' + button.title + '" src="' + button.display + '" width="23" height="25" border="0"></div>');
    }
    else if (button.id == 'ed_close') {
        var b = document.createElement('span');
        b.setAttribute('id', button.id);
        b.setAttribute('className', "ed_button");
        b.setAttribute('accesskey', button.access);
        b.onclick = function() { edCloseAllTags(); }
        b.innerHTML = '<img title="' + button.title + '" src="' + button.display + '" width="23" height="25" border="0">';
        nd.appendChild(b);

        //document.write('<div id="' + button.id + '" accesskey="' + button.access + '" class="ed_button" onclick="edCloseAllTags();"><img title="' + button.title + '" src="' + button.display + '" width="23" height="25" border="0"></div>');
    }
    else if (button.id == 'ed_space') {
        var b = document.createElement('span');
        b.setAttribute('className', "ed_button");
        b.innerHTML = '<img src="/ht/i/edit/brkspace.gif" width="5" height="25" border="0">';
        nd.appendChild(b);

        //document.write('<div class="ed_button"><img src="/img/edit/brkspace.gif" width="5" height="25" border="0"></div>');
    }
    else {
        var b = document.createElement('span');
        b.setAttribute('id', button.id);
        b.setAttribute('className', "ed_button");
        b.setAttribute('accesskey', button.access);
        b.onclick = function() { edInsertTag(edCanvas, i); }
        b.innerHTML = '<img title="' + button.title + '" src="' + button.display + '" width="23" height="25" border="0">';
        nd.appendChild(b);

        //document.write('<div id="' + button.id + '" accesskey="' + button.access + '" class="ed_button" onclick="edInsertTag(edCanvas, ' + i + ');"><img title="' + button.title + '" src="' + button.display + '" width="23" height="25" border="0"></div>');
    }
}

function edAddTag(button) {
    if (edButtons[button].tagEnd != '') {
        edOpenTags[edOpenTags.length] = button;
        //document.getElementById(edButtons[button].id).value = '/' + document.getElementById(edButtons[button].id).value;
        document.getElementById(edButtons[button].id).className = 'ed_buttoncl';
    }
}

function edRemoveTag(button) {
    for (i = 0; i < edOpenTags.length; i++) {
        if (edOpenTags[i] == button) {
            edOpenTags.splice(i, 1);
            //document.getElementById(edButtons[button].id).value =       document.getElementById(edButtons[button].id).value.replace('/', '');
            document.getElementById(edButtons[button].id).className = 'ed_button';
        }
    }
}

function edCheckOpenTags(button) {
    var tag = 0;
    for (i = 0; i < edOpenTags.length; i++) {
        if (edOpenTags[i] == button) {
            tag++;
        }
    }
    if (tag > 0) {
        return true; // tag found
    }
    else {
        return false; // tag not found
    }
}

function edCloseAllTags() {
    var count = edOpenTags.length;
    for (o = 0; o < count; o++) {
        edInsertTag(edCanvas, edOpenTags[edOpenTags.length - 1]);
    }
}

var edCanvas;

function edToolbar(parentDivId) {
    var parentDiv = document.getElementById(parentDivId);
    var nd = document.createElement('div');
    nd.setAttribute('id', "ed_comment_toolbar");
    nd.setAttribute('className', "ed_comment_toolbar");
    parentDiv.appendChild(nd);

    //document.write('<div id="ed_comment_toolbar">');
    for (i = 0; i < edButtons.length; i++) {
        edShowButton(edButtons[i], i, nd);
    }

    edCanvas = document.getElementById('comment_text');

}

// insertion code

function edInsertTag(myField, i) {
    //IE support
    if (document.selection) {
        myField.focus();
         sel = document.selection.createRange();
        if (sel.text.length > 0) {
            sel.text = edButtons[i].tagStart + sel.text + edButtons[i].tagEnd;
        }
        else {
            if (!edCheckOpenTags(i) || edButtons[i].tagEnd == '') {
                sel.text = edButtons[i].tagStart;
                edAddTag(i);
            }
            else {
                sel.text = edButtons[i].tagEnd;
                edRemoveTag(i);
            }
        }
        myField.focus();
    }
    //MOZILLA/NETSCAPE support
    else if (myField.selectionStart || myField.selectionStart == '0') {
        var startPos = myField.selectionStart;
        var endPos = myField.selectionEnd;
        var cursorPos = endPos;
        var scrollTop = myField.scrollTop;

        if (startPos != endPos) {
            myField.value = myField.value.substring(0, startPos)
                              + edButtons[i].tagStart
                              + myField.value.substring(startPos, endPos)
                              + edButtons[i].tagEnd
                              + myField.value.substring(endPos, myField.value.length);
            cursorPos += edButtons[i].tagStart.length + edButtons[i].tagEnd.length;
        }
        else {
            if (!edCheckOpenTags(i) || edButtons[i].tagEnd == '') {
                myField.value = myField.value.substring(0, startPos)
                                  + edButtons[i].tagStart
                                  + myField.value.substring(endPos, myField.value.length);
                edAddTag(i);
                cursorPos = startPos + edButtons[i].tagStart.length;
            }
            else {
                myField.value = myField.value.substring(0, startPos)
                                  + edButtons[i].tagEnd
                                  + myField.value.substring(endPos, myField.value.length);
                edRemoveTag(i);
                cursorPos = startPos + edButtons[i].tagEnd.length;
            }
        }
        myField.focus();
        myField.selectionStart = cursorPos;
        myField.selectionEnd = cursorPos;
        myField.scrollTop = scrollTop;
    }
    else {
        if (!edCheckOpenTags(i) || edButtons[i].tagEnd == '') {
            myField.value += edButtons[i].tagStart;
            edAddTag(i);
        }
        else {
            myField.value += edButtons[i].tagEnd;
            edRemoveTag(i);
        }
        myField.focus();
    }
}

function edInsertContent(myField, myValue) {
    //IE support
    if (document.selection) {
        myField.focus();
        sel = document.selection.createRange();
        sel.text = myValue;
        myField.focus();
    }
    //MOZILLA/NETSCAPE support
    else if (myField.selectionStart || myField.selectionStart == '0') {
        var startPos = myField.selectionStart;
        var endPos = myField.selectionEnd;
        myField.value = myField.value.substring(0, startPos)
                          + myValue
                             + myField.value.substring(endPos, myField.value.length);
        myField.focus();
        myField.selectionStart = startPos + myValue.length;
        myField.selectionEnd = startPos + myValue.length;
    } else {
        myField.value += myValue;
        myField.focus();
    }
}

function edInsertLink(myField, i, defaultValue) {
    if (!defaultValue) {
        defaultValue = 'http://';
    }
    if (!edCheckOpenTags(i)) {
        var URL = prompt('Enter page address' ,defaultValue);
        if (URL) {
            edButtons[i].tagStart = '[URL=' + URL + ']';
            edInsertTag(myField, i);
        }
    }
    else {
        edInsertTag(myField, i);
    }
}

function edInsertEmail(myField, i, defaultValue) {
    if (!defaultValue) {
        defaultValue = '@';
    }
    if (!edCheckOpenTags(i)) {
        var URL = prompt('Enter email address' ,defaultValue);
        if (URL) {
            edButtons[i].tagStart = '[EMAIL=' + URL + ']';
            edInsertTag(myField, i);
        }
    }
    else {
        edInsertTag(myField, i);
    }
}

function edOpenImageWindow(myField, i)
{
    if (!edCheckOpenTags(i)) {
        window.open('/profile/blog/image?area=' + myField.id, '_Addimage', 'HEIGHT=500,resizable=yes,scrollbars=yes,WIDTH=550');
    }
    else {
        edInsertTag(myField, i);
    }
}

var edQ;

    function copyQ()
    {   
        sel = document.selection.createRange();
        edQ = sel.text;
        
    }

    function pasteQ(author, date)
    {   
        //edInsertContent(edCanvas, "<blockquote"+((author != undefined)? " author=\""+author+"\"" : "") +
        //     ((date != undefined)? " date=\""+date+"\"": "") + ">" + edQ + "</blockquote>");

        edInsertContent(edCanvas, "[quote]" + edQ + "[/quote]");
    }