/* Redmine - project management software
   Copyright (C) 2006-2013  Jean-Philippe Lang */

function checkAll(id, checked) {
  if (checked) {
    $('#'+id).find('input[type=checkbox]').attr('checked', true);
  } else {
    $('#'+id).find('input[type=checkbox]').removeAttr('checked');
  }
}

function toggleCheckboxesBySelector(selector) {
  var all_checked = true;
  $(selector).each(function(index) {
    if (!$(this).is(':checked')) { all_checked = false; }
  });
  $(selector).attr('checked', !all_checked);
}

function showAndScrollTo(id, focus) {
  $('#'+id).show();
  if (focus !== null) {
    $('#'+focus).focus();
  }
  $('html, body').animate({scrollTop: $('#'+id).offset().top}, 100);
}

function toggleRowGroup(el) {
  var tr = $(el).parents('tr').first();
  var n = tr.next();
  tr.toggleClass('open');
  while (n.length && !n.hasClass('group')) {
    n.toggle();
    n = n.next('tr');
  }
}

function collapseAllRowGroups(el) {
  var tbody = $(el).parents('tbody').first();
  tbody.children('tr').each(function(index) {
    if ($(this).hasClass('group')) {
      $(this).removeClass('open');
    } else {
      $(this).hide();
    }
  });
}

function expandAllRowGroups(el) {
  var tbody = $(el).parents('tbody').first();
  tbody.children('tr').each(function(index) {
    if ($(this).hasClass('group')) {
      $(this).addClass('open');
    } else {
      $(this).show();
    }
  });
}

function toggleAllRowGroups(el) {
  var tr = $(el).parents('tr').first();
  if (tr.hasClass('open')) {
    collapseAllRowGroups(el);
  } else {
    expandAllRowGroups(el);
  }
}

function toggleFieldset(el) {
  var fieldset = $(el).parents('fieldset').first();
  fieldset.toggleClass('collapsed');
  fieldset.children('div').toggle();
}

function hideFieldset(el) {
  var fieldset = $(el).parents('fieldset').first();
  fieldset.toggleClass('collapsed');
  fieldset.children('div').hide();
}

function initFilters(){
  $('#add_filter_select').change(function(){
    addFilter($(this).val(), '', []);
  });
  $('#filters-table td.field input[type=checkbox]').each(function(){
    toggleFilter($(this).val());
  });
  $('#filters-table td.field input[type=checkbox]').live('click',function(){
    toggleFilter($(this).val());
  });
  $('#filters-table .toggle-multiselect').live('click',function(){
    toggleMultiSelect($(this).siblings('select'));
  });
  $('#filters-table input[type=text]').live('keypress', function(e){
    if (e.keyCode == 13) submit_query_form("query_form");
  });
}

function addFilter(field, operator, values) {
  var fieldId = field.replace('.', '_');
  var tr = $('#tr_'+fieldId);
  if (tr.length > 0) {
    tr.show();
  } else {
    buildFilterRow(field, operator, values);
  }
  $('#cb_'+fieldId).attr('checked', true);
  toggleFilter(field);
  $('#add_filter_select').val('').children('option').each(function(){
    if ($(this).attr('value') == field) {
      $(this).attr('disabled', true);
    }
  });
}

function buildFilterRow(field, operator, values) {
  var fieldId = field.replace('.', '_');
  var filterTable = $("#filters-table");
  var filterOptions = availableFilters[field];
  var operators = operatorByType[filterOptions['type']];
  var filterValues = filterOptions['values'];
  var i, select;

  var tr = $('<tr class="filter">').attr('id', 'tr_'+fieldId).html(
    '<td class="field"><input checked="checked" id="cb_'+fieldId+'" name="f[]" value="'+field+'" type="checkbox"><label for="cb_'+fieldId+'"> '+filterOptions['name']+'</label></td>' +
    '<td class="operator"><select id="operators_'+fieldId+'" name="op['+field+']"></td>' +
    '<td class="values"></td>'
  );
  filterTable.append(tr);

  select = tr.find('td.operator select');
  for (i=0;i<operators.length;i++){
    var option = $('<option>').val(operators[i]).text(operatorLabels[operators[i]]);
    if (operators[i] == operator) { option.attr('selected', true); }
    select.append(option);
  }
  select.change(function(){ toggleOperator(field); });

  switch (filterOptions['type']){
  case "list":
  case "list_optional":
  case "list_status":
  case "list_subprojects":
    tr.find('td.values').append(
      '<span style="display:none;"><select class="value" id="values_'+fieldId+'_1" name="v['+field+'][]"></select>' +
      ' <span class="toggle-multiselect">&nbsp;</span></span>'
    );
    select = tr.find('td.values select');
    if (values.length > 1) { select.attr('multiple', true); }
    for (i=0;i<filterValues.length;i++){
      var filterValue = filterValues[i];
      var option = $('<option>');
      if ($.isArray(filterValue)) {
        option.val(filterValue[1]).text(filterValue[0]);
        if ($.inArray(filterValue[1], values) > -1) {option.attr('selected', true);}
      } else {
        option.val(filterValue).text(filterValue);
        if ($.inArray(filterValue, values) > -1) {option.attr('selected', true);}
      }
      select.append(option);
    }
    break;
  case "date":
  case "date_past":
    tr.find('td.values').append(
      '<span style="display:none;"><input type="text" name="v['+field+'][]" id="values_'+fieldId+'_1" size="10" class="value date_value" /></span>' +
      ' <span style="display:none;"><input type="text" name="v['+field+'][]" id="values_'+fieldId+'_2" size="10" class="value date_value" /></span>' +
      ' <span style="display:none;"><input type="text" name="v['+field+'][]" id="values_'+fieldId+'" size="3" class="value" /> '+labelDayPlural+'</span>'
    );
    $('#values_'+fieldId+'_1').val(values[0]).datepicker(datepickerOptions);
    $('#values_'+fieldId+'_2').val(values[1]).datepicker(datepickerOptions);
    $('#values_'+fieldId).val(values[0]);
    break;
  case "string":
  case "text":
    tr.find('td.values').append(
      '<span style="display:none;"><input type="text" name="v['+field+'][]" id="values_'+fieldId+'" size="30" class="value" /></span>'
    );
    $('#values_'+fieldId).val(values[0]);
    break;
  case "relation":
    tr.find('td.values').append(
      '<span style="display:none;"><input type="text" name="v['+field+'][]" id="values_'+fieldId+'" size="6" class="value" /></span>' +
      '<span style="display:none;"><select class="value" name="v['+field+'][]" id="values_'+fieldId+'_1"></select></span>'
    );
    $('#values_'+fieldId).val(values[0]);
    select = tr.find('td.values select');
    for (i=0;i<allProjects.length;i++){
      var filterValue = allProjects[i];
      var option = $('<option>');
      option.val(filterValue[1]).text(filterValue[0]);
      if (values[0] == filterValue[1]) { option.attr('selected', true); }
      select.append(option);
    }
  case "integer":
  case "float":
    tr.find('td.values').append(
      '<span style="display:none;"><input type="text" name="v['+field+'][]" id="values_'+fieldId+'_1" size="6" class="value" /></span>' +
      ' <span style="display:none;"><input type="text" name="v['+field+'][]" id="values_'+fieldId+'_2" size="6" class="value" /></span>'
    );
    $('#values_'+fieldId+'_1').val(values[0]);
    $('#values_'+fieldId+'_2').val(values[1]);
    break;
  }
}

function toggleFilter(field) {
  var fieldId = field.replace('.', '_');
  if ($('#cb_' + fieldId).is(':checked')) {
    $("#operators_" + fieldId).show().removeAttr('disabled');
    toggleOperator(field);
  } else {
    $("#operators_" + fieldId).hide().attr('disabled', true);
    enableValues(field, []);
  }
}

function enableValues(field, indexes) {
  var fieldId = field.replace('.', '_');
  $('#tr_'+fieldId+' td.values .value').each(function(index) {
    if ($.inArray(index, indexes) >= 0) {
      $(this).removeAttr('disabled');
      $(this).parents('span').first().show();
    } else {
      $(this).val('');
      $(this).attr('disabled', true);
      $(this).parents('span').first().hide();
    }

    if ($(this).hasClass('group')) {
      $(this).addClass('open');
    } else {
      $(this).show();
    }
  });
}

function toggleOperator(field) {
  var fieldId = field.replace('.', '_');
  var operator = $("#operators_" + fieldId);
  switch (operator.val()) {
    case "!*":
    case "*":
    case "t":
    case "ld":
    case "w":
    case "lw":
    case "l2w":
    case "m":
    case "lm":
    case "y":
    case "o":
    case "c":
      enableValues(field, []);
      break;
    case "><":
      enableValues(field, [0,1]);
      break;
    case "<t+":
    case ">t+":
    case "><t+":
    case "t+":
    case ">t-":
    case "<t-":
    case "><t-":
    case "t-":
      enableValues(field, [2]);
      break;
    case "=p":
    case "=!p":
    case "!p":
      enableValues(field, [1]);
      break;
    default:
      enableValues(field, [0]);
      break;
  }
}

function toggleMultiSelect(el) {
  if (el.attr('multiple')) {
    el.removeAttr('multiple');
  } else {
    el.attr('multiple', true);
  }
}

function submit_query_form(id) {
  selectAllOptions("selected_columns");
  $('#'+id).submit();
}

function showTab(name) {
  $('div#content .tab-content').hide();
  $('div.tabs a').removeClass('selected');
  $('#tab-content-' + name).show();
  $('#tab-' + name).addClass('selected');
  return false;
}

function moveTabRight(el) {
  var lis = $(el).parents('div.tabs').first().find('ul').children();
  var tabsWidth = 0;
  var i = 0;
  lis.each(function(){
    if ($(this).is(':visible')) {
      tabsWidth += $(this).width() + 6;
    }
  });
  if (tabsWidth < $(el).parents('div.tabs').first().width() - 60) { return; }
  while (i<lis.length && !lis.eq(i).is(':visible')) { i++; }
  lis.eq(i).hide();
}

function moveTabLeft(el) {
  var lis = $(el).parents('div.tabs').first().find('ul').children();
  var i = 0;
  while (i<lis.length && !lis.eq(i).is(':visible')) { i++; }
  if (i>0) {
    lis.eq(i-1).show();
  }
}

function displayTabsButtons() {
  var lis;
  var tabsWidth = 0;
  var el;
  $('div.tabs').each(function() {
    el = $(this);
    lis = el.find('ul').children();
    lis.each(function(){
      if ($(this).is(':visible')) {
        tabsWidth += $(this).width() + 6;
      }
    });
    if ((tabsWidth < el.width() - 60) && (lis.first().is(':visible'))) {
      el.find('div.tabs-buttons').hide();
    } else {
      el.find('div.tabs-buttons').show();
    }
  });
}

function setPredecessorFieldsVisibility() {
  var relationType = $('#relation_relation_type');
  if (relationType.val() == "precedes" || relationType.val() == "follows") {
    $('#predecessor_fields').show();
  } else {
    $('#predecessor_fields').hide();
  }
}

function showModal(id, width) {
  var el = $('#'+id).first();
  if (el.length === 0 || el.is(':visible')) {return;}
  var title = el.find('h3.title').text();
  el.dialog({
    width: width,
    modal: true,
    resizable: false,
    dialogClass: 'modal',
    title: title
  });
  el.find("input[type=text], input[type=submit]").first().focus();
}

function hideModal(el) {
  var modal;
  if (el) {
    modal = $(el).parents('.ui-dialog-content');
  } else {
    modal = $('#ajax-modal');
  }
  modal.dialog("close");
}

function submitPreview(url, form, target) {
  $.ajax({
    url: url,
    type: 'post',
    data: $('#'+form).serialize(),
    success: function(data){
      $('#'+target).html(data);
    }
  });
}

function collapseScmEntry(id) {
  $('.'+id).each(function() {
    if ($(this).hasClass('open')) {
      collapseScmEntry($(this).attr('id'));
    }
    $(this).hide();
  });
  $('#'+id).removeClass('open');
}

function expandScmEntry(id) {
  $('.'+id).each(function() {
    $(this).show();
    if ($(this).hasClass('loaded') && !$(this).hasClass('collapsed')) {
      expandScmEntry($(this).attr('id'));
    }
  });
  $('#'+id).addClass('open');
}

function scmEntryClick(id, url) {
    el = $('#'+id);
    if (el.hasClass('open')) {
        collapseScmEntry(id);
        el.addClass('collapsed');
        return false;
    } else if (el.hasClass('loaded')) {
        expandScmEntry(id);
        el.removeClass('collapsed');
        return false;
    }
    if (el.hasClass('loading')) {
        return false;
    }
    el.addClass('loading');
    $.ajax({
      url: url,
      success: function(data){
        el.after(data);
        el.addClass('open').addClass('loaded').removeClass('loading');
      }
    });
    return true;
}

function randomKey(size) {
  var chars = new Array('0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z');
  var key = '';
  for (i = 0; i < size; i++) {
    key += chars[Math.floor(Math.random() * chars.length)];
  }
  return key;
}

// Can't use Rails' remote select because we need the form data
function updateIssueFrom(url) {
  $.ajax({
    url: url,
    type: 'post',
    data: $('#issue-form').serialize()
  });
}

function updateBulkEditFrom(url) {
  $.ajax({
    url: url,
    type: 'post',
    data: $('#bulk_edit_form').serialize()
  });
}

function observeAutocompleteField(fieldId, url, options) {
  $(document).ready(function() {
    $('#'+fieldId).autocomplete($.extend({
      source: url,
      minLength: 2,
      search: function(){$('#'+fieldId).addClass('ajax-loading');},
      response: function(){$('#'+fieldId).removeClass('ajax-loading');}
    }, options));
    $('#'+fieldId).addClass('autocomplete');
  });
}

function observeSearchfield(fieldId, targetId, url) {
  $('#'+fieldId).each(function() {
    var $this = $(this);
    $this.addClass('autocomplete');
    $this.attr('data-value-was', $this.val());
    var check = function() {
      var val = $this.val();
      if ($this.attr('data-value-was') != val){
        $this.attr('data-value-was', val);
        $.ajax({
          url: url,
          type: 'get',
          data: {q: $this.val()},
          success: function(data){ if(targetId) $('#'+targetId).html(data); },
          beforeSend: function(){ $this.addClass('ajax-loading'); },
          complete: function(){ $this.removeClass('ajax-loading'); }
        });
      }
    };
    var reset = function() {
      if (timer) {
        clearInterval(timer);
        timer = setInterval(check, 300);
      }
    };
    var timer = setInterval(check, 300);
    $this.bind('keyup click mousemove', reset);
  });
}

function observeProjectModules() {
  var f = function() {
    /* Hides trackers and issues custom fields on the new project form when issue_tracking module is disabled */
    if ($('#project_enabled_module_names_issue_tracking').attr('checked')) {
      $('#project_trackers').show();
    }else{
      $('#project_trackers').hide();
    }
  };

  $(window).load(f);
  $('#project_enabled_module_names_issue_tracking').change(f);
}

function initMyPageSortable(list, url) {
  $('#list-'+list).sortable({
    connectWith: '.block-receiver',
    tolerance: 'pointer',
    update: function(){
      $.ajax({
        url: url,
        type: 'post',
        data: {'blocks': $.map($('#list-'+list).children(), function(el){return $(el).attr('id');})}
      });
    }
  });
  $("#list-top, #list-left, #list-right").disableSelection();
}

var warnLeavingUnsavedMessage;
function warnLeavingUnsaved(message) {
  warnLeavingUnsavedMessage = message;

  $('form').submit(function(){
    $('textarea').removeData('changed');
  });
  $('textarea').change(function(){
    $(this).data('changed', 'changed');
  });
  window.onbeforeunload = function(){
    var warn = false;
    $('textarea').blur().each(function(){
      if ($(this).data('changed')) {
        warn = true;
      }
    });
    if (warn) {return warnLeavingUnsavedMessage;}
  };
}

function setupAjaxIndicator() {

  $('#ajax-indicator').bind('ajaxSend', function(event, xhr, settings) {
  
    if ($('.ajax-loading').length === 0 && settings.contentType != 'application/octet-stream') {
      $('#ajax-indicator').show();
    }
  });
  
  $('#ajax-indicator').bind('ajaxStop', function() {
    $('#ajax-indicator').hide();
  });
}

function hideOnLoad() {
  $('.hol').hide();
}

function addFormObserversForDoubleSubmit() {
  $('form[method=post]').each(function() {
    if (!$(this).hasClass('multiple-submit')) {
      $(this).submit(function(form_submission) {
        if ($(form_submission.target).attr('data-submitted')) {
          form_submission.preventDefault();
        } else {
          $(form_submission.target).attr('data-submitted', true);
        }
      });
    }
  });
}

function blockEventPropagation(event) {
  event.stopPropagation();
  event.preventDefault();
}

$(document).ready(setupAjaxIndicator);
$(document).ready(hideOnLoad);
$(document).ready(addFormObserversForDoubleSubmit);
