/* Browse: select all/none */
function select_checkboxes(elt, checked) {
  var form = $(elt).parents('form');
  form.find('table input:checkbox').each(function() {
    $(this).attr('checked', checked);
  });
}

/* Enable/Disable field */
function disable_field(checkbox, field_id) {
  var field = $(field_id);
  if ($(checkbox).is(':checked')) {
    field.attr('disabled', true);
  } else {
    field.removeAttr('disabled');
  }
}


/* Popup */
var popup_window;
function popup(url, width, height) {
  // try-catch for IE
  try {
    if (popup_window != undefined && popup_window.closed == false)
      popup_window.close();
  } catch (ex) { }
  options = "menubar=no, status=no, scrollbars=yes, resizable=yes, width=" + width + ", height=" + height;
  popup_window = window.open(url, 'itools_popup', options);
  return false;
}


/* For the addlink/addimage popups */
function tabme_show(event) {
  event.preventDefault();
  $(".tabme a").each(function() {
    $(this.hash).hide(); // Hide all divs
    $(this).removeClass("selected"); // Remove flag
  });
  $(this.hash).show('fast'); // Show selected div
  $(this).addClass("selected"); // Add flag
}

function tabme() {
  // Find a tab menu and hook it
  var tabs = $(".tabme a");
  if (tabs.length) {
    // Hide all divs at start
    tabs.each(function() { $(this.hash).hide(); });
    // But show a default one, the one in the URL first
    var hash = window.location.hash ? window.location.hash : tabs.eq(0).attr("hash");
    $(hash).show();
    $("a[hash=" + hash + "]").addClass("selected"); // Select the matching tab
    tabs.click(tabme_show); // Hook the onclick event
  }
}


/* IE6-7-8 Fix button */
/* Note: For IE8, the problem occurred only inside the popup (ex: upload form) */
$(document).ready(function() {
    if ($.browser.msie && $.browser.version.substr(0,1) < 9) {
        var elements, element = null;

        function _fix_button(button) {
            // FIXME Remove already set click functions
            button.onclick = function () {
                for(l=0; l<this.form.elements.length; l++) {
                    if( this.form.elements[l].tagName == 'BUTTON' )
                        this.form.elements[l].disabled = true;
                }
                this.disabled = false;
                var attr_value = this.attributes.getNamedItem("value").nodeValue;
                // action value should be equal to 'action' or to value attr
                this.value = attr_value || 'action';
            }
        }

        for (i=0; i<document.forms.length; i++) {
            elements = document.forms[i].elements;
            var buttons = new Array();
            for (j=0; j<elements.length; j++) {
                element = elements[j];
                if (element.tagName == 'BUTTON' && element.getAttribute("name") == "action") {
                    buttons.push(element);
                }
            }
            // Do not hack form if there is only one button and if the button
            // has a right action attribute
            if (buttons.length > 1) {
                for (k=0; k<buttons.length; k++) {
                    _fix_button(buttons[k]);
                }
            } else if (buttons.length == 1) {
                var button = buttons[0];
                var action = button.attributes.getNamedItem("value").nodeValue;
                if (action != 'action') {
                    _fix_button(button);
                }
            }
        }
    }
});


/* Useful For the comments (Blog + Tracker) */
function reply(id){
  var comment = document.getElementById('comment'+id).innerHTML;

  /* Replace html by text */
  var reg = new RegExp("(&gt;)", "g");
  comment = comment.replace(reg, '>');
  reg = new RegExp("(&lt;)", "g");
  comment = comment.replace(reg, '<');
  reg = new RegExp("(&amp;)", "g");
  comment = comment.replace(reg, '&');
  reg = new RegExp("(&nbsp;)", "g");
  comment = comment.replace(reg, ' ');
  reg1 = new RegExp('(<a href=")', "g");
  reg2 = new RegExp('(">.*</a>)', "g");
  if (comment.match(reg1) && comment.match(reg2)) {
      comment = comment.replace(reg1, '');
      comment = comment.replace(reg2, '');
  }

  comment = comment.split(/\r|\n/);
  replytext = ''
  for (var i=0; i < comment.length; i++){
    replytext += "> " + comment[i] + "\n";
  }
  replytext = "(In reply to comment #" + id + ")\n" + replytext + "\n";
  var textarea = document.getElementById('comment')
  textarea.value = replytext
  textarea.focus();
}


/* Progress bar: startProgressBar() */
function startProgressBar()
{
  $("#progress-bar-box").css("display", "block");
  $("#progress-bar").progressbar();

  var intervalId = setInterval(
    function()
    {
      $.getJSON("/;upload_stats?upload_id=" + upload_id,
        function(data)
        {
          if (data == null || !data.valid_id)
          {
            clearInterval(intervalId);
            $("#progress-bar").progressbar("destroy");
            $("#progress-bar-box").css("display", "none")
            return;
          }
          var percent = Math.floor(data.percent);

          $("#progress-bar").progressbar("option", "value", percent);
          var toText = sizeToText(data.uploaded_size, data.total_size, percent);
          $("#upload-size").html(toText.uploaded_size + "/" + toText.total_size);
          $("#percent").html(toText.percent)
        });
    },
    1500);
}


/* Progress bar: sizeToText */
function sizeToText(uploaded_size, total_size, percent)
{
  percent = percent.toString() + "%";
  if (total_size > 1024 * 1024)
  {
    uploaded_size = (Math.round(uploaded_size*100/(1024*1024))/100).toString();
    total_size = (Math.round(total_size * 100/(1024*1024))/100).toString();
    return {  uploaded_size: uploaded_size,
              total_size: total_size + "Mo",
              percent:percent};
  } else if (size > 1024) {
    uploaded_size = (Math.round(uploaded_size *100/1024)/100).toString();
    total_size = (Math.round(total_size*100/1024)/100).toString();
    return {  uploaded_size: uploaded_size,
              total_size: total_size + "Ko",
              percent:percent};
  } else {
    return {  uploaded_size: uploaded_size.toString(),
              total_size: total_size.toString() + "o",
              percent:percent};
  }
}


/* Progress bar: filenameHasExtension */
function filenameHasExtension(filename)
{
  return (/[.]/.exec(filename)) ? /[^.]+$/.exec(filename) : undefined;
}


/* Progress bar: attachmentSelected */
function attachmentSelected(file)
{
  var attachment = file.get(0).files[0];
  if (attachment)
  {
    name = attachment.name;
    size = attachment.size;
    type = attachment.type;
    if (size > 1024 * 1024)
    {
      sizeToTxt = (Math.round(size * 100 / (1024 * 1024)) / 100).toString() + 'Mo';
    } else {
      sizeToTxt = (Math.round(size * 100 / 1024) / 100).toString() + 'Ko';
    }
    // If the user choose a file without an extension, show an error text.
    if (filenameHasExtension(name) == undefined) {
      $("#file-name").html('Name: <span class="field-is-missing">The given filename have no extension!</span>');
    } else {
      $("#file-name").html('Name: ' + name);
    }
    $("#file-size").html('Size: ' + sizeToTxt);
    (type == '') ? $("#file-type").html('Type: Unknown') : $("#file-type").html('Type: ' + type);
  }
}