// JS QuickTags version 1.1

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

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

edButtons[edButtons.length] = new edButton('ed_bold'
                                          ,'жирный'
                                          ,'<strong>'
                                          ,'</strong>'
                                          );

edButtons[edButtons.length] = new edButton('ed_italic'
                                          ,'наклонный'
                                          ,'<em>'
                                          ,'</em>'
                                          );

/*edButtons[edButtons.length] = new edButton('ed_under'
                                          ,'U'
                                          ,'<u>'
                                          ,'</u>'
                                          );
*/
edButtons[edButtons.length] = new edButton('ed_strike'
                                          ,'зачеркнуть'
                                          ,'<strike>'
                                          ,'</strike>'
                                          );
/*
edButtons[edButtons.length] = new edButton('ed_quot'
                                          ,'&#34;'
                                          ,'&#34;'
                                          ,'&#34;'
                                          ,-1
                                          );

edButtons[edButtons.length] = new edButton('ed_amp'
                                          ,'&#38;'
                                          ,'&#38;'
                                          ,''
                                          ,-1
                                          );

edButtons[edButtons.length] = new edButton('ed_nbsp'
                                          ,'nbsp'
                                          ,'&#160;'
                                          ,''
                                          ,-1
                                          );

edButtons[edButtons.length] = new edButton('ed_nobr'
                                          ,'nobr'
                                          ,'<nobr>'
                                          ,'</nobr>'
                                          );
*/
edButtons[edButtons.length] = new edButton('ed_link'
                                          ,'линка'
                                          ,''
                                          ,'</a>'
                                          ); // special case

/*
edButtons[edButtons.length] = new edButton('ed_ul'
                                          ,'UL'
                                          ,'<ul>\n'
                                          ,'</ul>\n\n'
                                          );

edButtons[edButtons.length] = new edButton('ed_ol'
                                          ,'OL'
                                          ,'<ol>\n'
                                          ,'</ol>\n\n'
                                          );

edButtons[edButtons.length] = new edButton('ed_li'
                                          ,'LI'
                                          ,'\t<li>'
                                          ,'</li>\n'
                                          );

edButtons[edButtons.length] = new edButton('ed_p'
                                          ,'P'
                                          ,'<p>'
                                          ,'</p>\n\n'
                                          );
*/
edButtons[edButtons.length] = new edButton('ed_block'
                                          ,'цитата'
                                          ,'<blockquote>'
                                          ,'</blockquote>'
                                          );

/*
edButtons[edButtons.length] = new edButton('ed_pre'
                                          ,'pre'
                                          ,'<pre>'
                                          ,'</pre>'
                                          );*/

function edLink(display, URL, newWin) {
    this.display = display;
    this.URL = URL;
    if (!newWin) {
        newWin = 0;
    }
    this.newWin = newWin;
}


edLinks[edLinks.length] = new edLink('alexking.org'
                                    ,'http://www.alexking.org/'
                                    );

edLinks[edLinks.length] = new edLink('tasks'
                                    ,'http://www.alexking.org/software/tasks/'
                                    );

edLinks[edLinks.length] = new edLink('photos'
                                    ,'http://www.alexking.org/software/photos/'
                                    );

function edShowButton(button, i) {
    if (button.id == 'ed_img') {
        document.write('<input type="button" id="' + button.id + '" class="ed_button" onclick="edInsertImage(edCanvas);" value="' + button.display + '" />');
    }
    else if (button.id == 'ed_link') {
        document.write('<input type="button" id="' + button.id + '" class="ed_button" onclick="edInsertLink(edCanvas, ' + i + ');" value="' + button.display + '" />');
    }
    else {
        document.write('<input type="button" id="' + button.id + '" class="ed_button" onclick="edInsertTag(edCanvas, ' + i + ');" value="' + button.display + '" />');
    }
}

function edShowLinks() {
    var tempStr = '<select onchange="edQuickLink(this.options[this.selectedIndex].value, this);"><option value="-1" selected>(Quick Links)</option>';
    for (i = 0; i < edLinks.length; i++) {
        tempStr += '<option value="' + i + '">' + edLinks[i].display + '</option>';
    }
    tempStr += '</select>';
    document.write(tempStr);
}

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

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('/', '');
        }
    }
}

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]);
    }
}

function edQuickLink(i, thisSelect) {
    if (i > -1) {
        var newWin = '';
        if (edLinks[i].newWin == 1) {
            newWin = ' target="_blank"';
        }
        var tempStr = '<a href="' + edLinks[i].URL + '"' + newWin + '>' 
                    + edLinks[i].display
                    + '</a>';
        thisSelect.selectedIndex = 0;
        edInsertContent(edCanvas, tempStr);
    }
    else {
        thisSelect.selectedIndex = 0;
    }
}

/*function edSpell(myField) {
    var word = '';
    if (document.selection) {
        myField.focus();
        var sel = document.selection.createRange();
        if (sel.text.length > 0) {
            word = sel.text;
        }
    }
    else if (myField.selectionStart || myField.selectionStart == '0') {
        var startPos = myField.selectionStart;
        var endPos = myField.selectionEnd;
        if (startPos != endPos) {
            word = myField.value.substring(startPos, endPos);
        }
    }
    if (word == '') {
        word = prompt('Enter a word to look up:', '');
    }
    if (word != '') {
        window.open('http://dictionary.reference.com/search?q=' + escape(word));
    }
}
*/
function edToolbar() {
    document.write('<div id="ed_toolbar">');
    for (i = 0; i < edButtons.length; i++) {
        edShowButton(edButtons[i], i);
    }
    document.write('<input type="button" id="ed_close" class="ed_button" onclick="edCloseAllTags();" value="закр.теги" />');
//    document.write('<input type="button" id="ed_spell" class="ed_button" onclick="edSpell(edCanvas);" value="Dict" />');
//    edShowLinks();
    document.write('</div>');
}

// 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 the URL' ,defaultValue);
        if (URL) {
            edButtons[i].tagStart = '<a href="' + URL + '">';
            edInsertTag(myField, i);
        }
    }
    else {
        edInsertTag(myField, i);
    }
}

function edInsertImage(myField) {
    var myValue = prompt('Enter the URL of the image', 'http://');
    if (myValue) {
        myValue = '<img src="' 
                + myValue 
                + '" alt="' + prompt('Enter a description of the image', '') 
                + '" />';
        edInsertContent(myField, myValue);
    }
}