var editor = null; var connected = false; var bookmarks = {}; var default_rows_limit = 100; var currentObject = null; var autocompleteObjects = []; var inputResizing = false; var inputResizeOffset = null; var filterOptions = { "equal": "= 'DATA'", "not_equal": "!= 'DATA'", "greater": "> 'DATA'" , "greater_eq": ">= 'DATA'", "less": "< 'DATA'", "less_eq": "<= 'DATA'", "like": "LIKE 'DATA'", "ilike": "ILIKE 'DATA'", "null": "IS NULL", "not_null": "IS NOT NULL" }; function getSessionId() { var id = sessionStorage.getItem("session_id"); if (!id) { id = guid(); sessionStorage.setItem("session_id", id); } return id; } function setRowsLimit(num) { localStorage.setItem("rows_limit", num); } function getRowsLimit() { return parseInt(localStorage.getItem("rows_limit") || default_rows_limit); } function getPaginationOffset() { var page = $(".current-page").data("page"); var limit = getRowsLimit(); return (page - 1) * limit; } function getPagesCount(rowsCount) { var limit = getRowsLimit(); var num = parseInt(rowsCount / limit); if ((num * limit) < rowsCount) { num++; } return num; } function apiCall(method, path, params, cb) { var timeout = 300000; // 5 mins is enough $.ajax({ timeout: timeout, url: "api" + path, method: method, cache: false, data: params, headers: { "x-session-id": getSessionId() }, success: function(data) { cb(data); }, error: function(xhr, status, data) { if (status == "timeout") { return cb({ error: "Query timeout after " + (timeout / 1000) + "s" }); } cb(jQuery.parseJSON(xhr.responseText)); } }); } function getInfo(cb) { apiCall("get", "/info", {}, cb); } function getObjects(cb) { apiCall("get", "/objects", {}, cb); } function getTables(cb) { apiCall("get", "/tables", {}, cb); } function getTableRows(table, opts, cb) { apiCall("get", "/tables/" + table + "/rows", opts, cb); } function getTableStructure(table, opts, cb) { apiCall("get", "/tables/" + table, opts, cb); } function getTableIndexes(table, cb) { apiCall("get", "/tables/" + table + "/indexes", {}, cb); } function getTableConstraints(table, cb) { apiCall("get", "/tables/" + table + "/constraints", {}, cb); } function getHistory(cb) { apiCall("get", "/history", {}, cb); } function getBookmarks(cb) { apiCall("get", "/bookmarks", {}, cb); } function executeQuery(query, cb) { apiCall("post", "/query", { query: query }, cb); } function explainQuery(query, cb) { apiCall("post", "/explain", { query: query }, cb); } function analyzeQuery(query, cb) { apiCall("post", "/analyze", { query: query }, cb); } function disconnect(cb) { apiCall("post", "/disconnect", {}, cb); } function encodeQuery(query) { return Base64.encode(query).replace(/\+/g, "-").replace(/\//g, "_").replace(/=/g, "."); } function buildSchemaSection(name, objects) { var section = ""; var titles = { "table": "Tables", "view": "Views", "materialized_view": "Materialized Views", "sequence": "Sequences" }; var icons = { "table": '', "view": '', "materialized_view": '', "sequence": '' }; var klass = ""; if (name == "public") klass = "expanded"; section += "
"; section += "
" + name + "
"; section += "
"; ["table", "view", "materialized_view", "sequence"].forEach(function(group) { group_klass = ""; if (name == "public" && group == "table") group_klass = "expanded"; section += "
"; section += "
" + titles[group] + " " + objects[group].length + "
"; section += "
    "; if (objects[group]) { objects[group].forEach(function(item) { var id = name + "." + item; section += "
  • " + icons[group] + " " + item + "
  • "; }); section += "
"; } }); section += "
"; return section; } function loadSchemas() { $("#objects").html(""); getObjects(function(data) { if (Object.keys(data).length == 0) { data["public"] = { table: [], view: [], materialized_view: [], sequence: [] }; } for (schema in data) { $(buildSchemaSection(schema, data[schema])).appendTo("#objects"); } if (Object.keys(data).length == 1) { $(".schema").addClass("expanded"); } // Clear out all autocomplete objects autocompleteObjects = []; for (schema in data) { for (kind in data[schema]) { if (!(kind == "table" || kind == "view" || kind == "materialized_view")) { continue } for (item in data[schema][kind]) { autocompleteObjects.push({ caption: data[schema][kind][item], value: data[schema][kind][item], meta: kind }); } } } bindContextMenus(); }); } function escapeHtml(str) { if (str != null || str != undefined) { return jQuery("
").text(str).html(); } return "null"; } function unescapeHtml(str){ var e = document.createElement("div"); e.innerHTML = str; return e.childNodes.length === 0 ? "" : e.childNodes[0].nodeValue; } function getCurrentObject() { return currentObject || { name: "", type: "" }; } function resetTable() { $("#results_header").html(""); $("#results_body").html(""); $("#results_view").html("").hide(); $("#results"). data("mode", ""). removeClass("empty"). removeClass("no-crop"). show(); } function performTableAction(table, action, el) { if (action == "truncate" || action == "delete") { var message = "Are you sure you want to " + action + " table " + table + " ?"; if (!confirm(message)) return; } switch(action) { case "truncate": executeQuery("TRUNCATE TABLE " + table, function(data) { if (data.error) alert(data.error); resetTable(); }); break; case "delete": executeQuery("DROP TABLE " + table, function(data) { if (data.error) alert(data.error); loadSchemas(); resetTable(); }); break; case "export": var format = el.data("format"); var db = $("#current_database").text(); var filename = db + "." + table + "." + format; var query = "SELECT * FROM " + table; openInNewWindow("api/query", { "format": format, "filename": filename, "query": query }); break; case "dump": openInNewWindow("api/export", { "table": table }); break; case "copy": copyToClipboard(table.split('.')[1]); break; } } function performViewAction(view, action, el) { if (action == "delete") { var message = "Are you sure you want to " + action + " view " + view + " ?"; if (!confirm(message)) return; } switch(action) { case "delete": executeQuery("DROP VIEW " + view, function(data) { if (data.error) alert(data.error); loadSchemas(); resetTable(); }); break; case "export": var format = el.data("format"); var db = $("#current_database").text(); var filename = db + "." + view + "." + format; var query = "SELECT * FROM " + view; openInNewWindow("api/query", { "format": format, "filename": filename, "query": query }); break; case "copy": copyToClipboard(view.split('.')[1]); break; case "copy_def": executeQuery("SELECT pg_get_viewdef('" + view + "', true);", function(data) { if (data.error) { alert(data.error); return; } copyToClipboard(data.rows[0]); }); break; case "view_def": executeQuery("SELECT pg_get_viewdef('" + view + "', true);", function(data) { if (data.error) { alert(data.error); return; } showViewDefinition(view, data.rows[0]); }); break; } } function performRowAction(action, value) { if (action == "stop_query") { if (!confirm("Are you sure you want to stop the query?")) return; executeQuery("SELECT pg_cancel_backend(" + value + ");", function(data) { if (data.error) alert(data.error); setTimeout(showActivityPanel, 1000); }); } } function sortArrow(direction) { switch (direction) { case "ASC": return "▲"; case "DESC": return "▼"; default: return ""; } } function buildTable(results, sortColumn, sortOrder, options) { if (!options) options = {}; var action = options.action; resetTable(); if (results.error) { $("#results_header").html(""); $("#results_body").html("ERROR: " + results.error + ""); return; } if (results.rows.length == 0) { $("#results_header").html(""); $("#results_body").html("No records found"); $("#result-rows-count").html(""); $("#results").addClass("empty"); return; } var cols = ""; var rows = ""; results.columns.forEach(function(col) { if (col === sortColumn) { cols += "" + col + " " + sortArrow(sortOrder) + ""; } else { cols += "" + col + ""; } }); // No header to make the column non-sortable if (action) { cols += ""; // Determine which column contains the data attribute action.dataColumn = results.columns.indexOf(action.data); } results.rows.forEach(function(row) { var r = ""; // Add all actual row data here for (i in row) { r += "
" + escapeHtml(row[i]) + "
"; } // Add row action button if (action) { r += "" + action.title + ""; } rows += "" + r + ""; }); $("#results_header").html(cols); $("#results_body").html(rows); // Show number of rows rendered on the page $("#result-rows-count").html(results.rows.length + " rows"); } function setCurrentTab(id) { // Pagination should only be visible on rows tab if (id != "table_content") { $("#body").removeClass("with-pagination"); } $("#nav ul li.selected").removeClass("selected"); $("#" + id).addClass("selected"); // Persist tab selection into the session storage sessionStorage.setItem("tab", id); } function showQueryHistory() { getHistory(function(data) { var rows = []; for(i in data) { rows.unshift([parseInt(i) + 1, data[i].query, data[i].timestamp]); } buildTable({ columns: ["id", "query", "timestamp"], rows: rows }); setCurrentTab("table_history"); $("#input").hide(); $("#body").prop("class", "full"); $("#results").addClass("no-crop"); }); } function showTableIndexes() { var name = getCurrentObject().name; if (name.length == 0) { alert("Please select a table!"); return; } getTableIndexes(name, function(data) { setCurrentTab("table_indexes"); buildTable(data); $("#input").hide(); $("#body").prop("class", "full"); $("#results").addClass("no-crop"); }); } function showTableConstraints() { var name = getCurrentObject().name; if (name.length == 0) { alert("Please select a table!"); return; } getTableConstraints(name, function(data) { setCurrentTab("table_constraints"); buildTable(data); $("#input").hide(); $("#body").prop("class", "full"); $("#results").addClass("no-crop"); }); } function showTableInfo() { var name = getCurrentObject().name; if (name.length == 0) { alert("Please select a table!"); return; } apiCall("get", "/tables/" + name + "/info", {}, function(data) { $(".table-information .lines").show(); $("#table_total_size").text(data.total_size); $("#table_data_size").text(data.data_size); $("#table_index_size").text(data.index_size); $("#table_rows_count").text(data.rows_count); $("#table_encoding").text("Unknown"); }); buildTableFilters(name, getCurrentObject().type); } function updatePaginator(pagination) { if (!pagination) { $(".current-page").data("page", 1).data("pages", 1); $("button.page").text("1 of 1"); $(".prev-page, .next-page").prop("disabled", "disabled"); return; } $(".current-page"). data("page", pagination.page). data("pages", pagination.pages_count); if (pagination.page > 1) { $(".prev-page").prop("disabled", ""); } else { $(".prev-page").prop("disabled", "disabled"); } if (pagination.pages_count > 1 && pagination.page < pagination.pages_count) { $(".next-page").prop("disabled", ""); } else { $(".next-page").prop("disabled", "disabled"); } $("#total_records").text(pagination.rows_count); if (pagination.pages_count == 0) pagination.pages_count = 1; $("button.page").text(pagination.page + " of " + pagination.pages_count); } function showTableContent(sortColumn, sortOrder) { var name = getCurrentObject().name; if (name.length == 0) { alert("Please select a table!"); return; } var opts = { limit: getRowsLimit(), offset: getPaginationOffset(), sort_column: sortColumn, sort_order: sortOrder }; var filter = { column: $(".filters select.column").val(), op: $(".filters select.filter").val(), input: $(".filters input").val() }; // Apply filtering only if column is selected if (filter.column && filter.op) { var where = [ '"' + filter.column + '"', filterOptions[filter.op].replace("DATA", filter.input) ].join(" "); opts["where"] = where; } getTableRows(name, opts, function(data) { $("#input").hide(); $("#body").prop("class", "with-pagination"); buildTable(data, sortColumn, sortOrder); setCurrentTab("table_content"); updatePaginator(data.pagination); $("#results").data("mode", "browse").data("table", name); }); } function showPaginatedTableContent() { var activeColumn = $("#results th.active"); var sortColumn = null; var sortOrder = null; if (activeColumn.length) { sortColumn = activeColumn.data("name"); sortOrder = activeColumn.data("order"); } showTableContent(sortColumn, sortOrder); } function showTableStructure() { var name = getCurrentObject().name; if (name.length == 0) { alert("Please select a table!"); return; } setCurrentTab("table_structure"); $("#input").hide(); $("#body").prop("class", "full"); getTableStructure(name, { type: getCurrentObject().type }, function(data) { buildTable(data); $("#results").addClass("no-crop"); }); } function showViewDefinition(viewName, viewDefintion) { setCurrentTab("table_structure"); $("#results").addClass("no-crop"); $("#input").hide(); $("#body").prop("class", "full"); $("#results").hide(); var title = $("
").prop("class", "title").html("View definition for: " + viewName + ""); var content = $("
").text(viewDefintion);

  $("#results_view").html("");
  title.appendTo("#results_view");
  content.appendTo("#results_view");
  $("#results_view").show();
}

function showQueryPanel() {
  if (!$("#table_query").hasClass("selected")) {
    resetTable();
  }

  setCurrentTab("table_query");
  editor.focus();

  $("#input").show();
  $("#body").prop("class", "")
}

function showConnectionPanel() {
  setCurrentTab("table_connection");

  apiCall("get", "/connection", {}, function(data) {
    var rows = [];

    for(key in data) {
      rows.push([key, data[key]]);
    }

    buildTable({
      columns: ["attribute", "value"],
      rows: rows
    });

    $("#input").hide();
    $("#body").addClass("full");
  });
}

function showActivityPanel() {
  var options = {
    action: {
      name: "stop_query",
      title: "stop",
      data: "pid",
      style: "danger"
    }
  }

  setCurrentTab("table_activity");
  apiCall("get", "/activity", {}, function(data) {
    buildTable(data, null, null, options);
    $("#input").hide();
    $("#body").addClass("full");
  });
}

function showQueryProgressMessage() {
  $("#run, #explain-dropdown-toggle, #csv, #json, #xml").prop("disabled", true);
  $("#explain-dropdown").removeClass("open");
  $("#query_progress").show();
}

function hideQueryProgressMessage() {
  $("#run, #explain-dropdown-toggle, #csv, #json, #xml").prop("disabled", false);
  $("#query_progress").hide();
}

function getEditorSelection() {
  // Return the exact selection if user has one
  var query = $.trim(editor.getSelectedText());
  if (query.length > 0) {
    return query;
  }

  query = editor.getValue();

  // Determine which query we should run when there are multiple queries without a delimiter
  if (query.indexOf(";") == -1) {
    var subquery = getSubquery(query, editor.getCursorPosition());

    if (subquery) {
      // Highlight query selection so user knows what is being executed
      if (subquery.numChunks > 1) {
        editor.selection.setSelectionRange({
          start: { row: subquery.startRow, column: 0 },
          end: { row: subquery.endRow, column: 0 },
        })
      }

      return subquery.text;
    }
  }

  return query;
}

function getSubquery(text, cursor) {
  var lines = text.split("\n");
  var startRow = undefined;
  var numChunks = 0;
  var ranges = [];

  for (i = 0; i < lines.length; i++) {
    if (lines[i].trim().length == 0) {
      if (startRow >= 0 && cursor.row >= startRow && cursor.row <= i) {
        ranges.push([startRow, i]);
      }

      numChunks++;
      startRow = undefined;
      continue;
    }

    if (startRow === undefined) {
      startRow = i;
    }

    if (i == lines.length - 1) {
      ranges.push([startRow, i + 1]);
      numChunks++;
    }
  }

  if (ranges.length > 0) {
    return {
      text: lines.slice(ranges[0][0], ranges[0][1]).join("\n"),
      startRow: ranges[0][0],
      endRow: ranges[0][1],
      numChunks: numChunks
    };
  }
}

function runQuery() {
  setCurrentTab("table_query");
  showQueryProgressMessage();

  var query = getEditorSelection();
  if (query.length == 0) {
    hideQueryProgressMessage();
    return;
  }

  executeQuery(query, function(data) {
    buildTable(data);

    hideQueryProgressMessage();
    $("#input").show();
    $("#body").removeClass("full");
    $("#results").data("mode", "query");

    if (query.toLowerCase().indexOf("explain") != -1) {
      $("#results").addClass("no-crop");
    }

    // Reload objects list if anything was created/deleted
    if (query.match(/(create|drop)\s/i)) {
      loadSchemas();
    }
  });
}

function runExplain() {
  setCurrentTab("table_query");
  showQueryProgressMessage();

  var query = getEditorSelection();
  if (query.length == 0) {
    hideQueryProgressMessage();
    return;
  }

  explainQuery(query, function(data) {
    buildTable(data);

    hideQueryProgressMessage();
    $("#input").show();
    $("#body").removeClass("full");
    $("#results").addClass("no-crop");
  });
}

function runAnalyze() {
  setCurrentTab("table_query");
  showQueryProgressMessage();

  var query = getEditorSelection();
  if (query.length == 0) {
    hideQueryProgressMessage();
    return;
  }

  analyzeQuery(query, function(data) {
    buildTable(data);

    hideQueryProgressMessage();
    $("#input").show();
    $("#body").removeClass("full");
    $("#results").addClass("no-crop");
  });
}

function generateURL(path, params) {
  var url = new URL(window.location.href.split("#")[0]);

  url.pathname += path;
  for (key in params) {
    url.searchParams.append(key, params[key]);
  }

  // Automatically append session id so we dont have to do that everywhere
  url.searchParams.append("_session_id", getSessionId());

  return url.toString();
}

function openInNewWindow(path, params) {
  var url = generateURL(path, params);
  var win = window.open(url, '_blank');
  win.focus();
}

function exportTo(format) {
  var query = getEditorSelection();
  if (query.length == 0) {
    return;
  }

  setCurrentTab("table_query");

  openInNewWindow("api/query", {
    "format": format,
    "query": encodeQuery(query)
  })
}

// Fetch all unique values for the selected column in the table
function showUniqueColumnsValues(table, column, showCounts) {
  var query = 'SELECT DISTINCT "' + column + '" FROM ' + table;

  // Display results ordered by counts.
  // This could be slow on large sets without an index.
  if (showCounts) {
    query = 'SELECT DISTINCT "' + column + '", COUNT(1) AS total_count FROM ' + table + ' GROUP BY "' + column + '" ORDER BY total_count DESC';
  }

  executeQuery(query, function(data) {
    $("#input").hide();
    $("#body").prop("class", "full");
    $("#results").data("mode", "query");
    buildTable(data);
  });
}

// Show numeric stats on the field
function showFieldNumStats(table, column) {
  var query = 'SELECT count(1), min(' + column + '), max(' + column + '), avg(' + column + ') FROM ' + table;

  executeQuery(query, function(data) {
    $("#input").hide();
    $("#body").prop("class", "full");
    $("#results").data("mode", "query");
    buildTable(data);
  });
}

function buildTableFilters(name, type) {
  getTableStructure(name, { type: type }, function(data) {
    if (data.rows.length == 0) {
      $("#pagination .filters").hide();
    }
    else {
      $("#pagination .filters").show();
    }

    $("#pagination select.column").html("");

    for (var i = 0; i < data.rows.length; i++) {
      var row = data.rows[i];

      var el = $("").appendTo("#connection_bookmarks");

      // Add all available bookmarks
      for (key in data) {
        $("").appendTo("#connection_bookmarks");
      }

      $(".bookmarks").show();
    }
    else {
      $(".bookmarks").hide();
    }
  });

  $("#connection_window").show();
}

function getConnectionString() {
  var url  = $.trim($("#connection_url").val());
  var mode = $(".connection-group-switch button.active").attr("data");
  var ssl  = $("#connection_ssl").val();

  if (mode == "standard" || mode == "ssh") {
    var host = $("#pg_host").val();
    var port = $("#pg_port").val();
    var user = $("#pg_user").val();
    var pass = encodeURIComponent($("#pg_password").val());
    var db   = $("#pg_db").val();

    if (port.length == 0) {
      port = "5432";
    }

    url = "postgres://" + user + ":" + pass + "@" + host + ":" + port + "/" + db + "?sslmode=" + ssl;
  }
  else {
    var local = url.indexOf("localhost") != -1 || url.indexOf("127.0.0.1") != -1;

    if (local && url.indexOf("sslmode") == -1) {
      url += "?sslmode=" + ssl;
    }
  }

  return url;
}

// Add a context menu to the results table header columns
function bindTableHeaderMenu() {
  $("#results_header").contextmenu({
    scopes: "th",
    target: "#results_header_menu",
    before: function(e, element, target) {
      // Enable menu for browsing table rows view only.
      if ($("#results").data("mode") != "browse") {
        e.preventDefault();
        this.closemenu();
        return false;
      }
    },
    onItem: function(context, e) {
      var menuItem = $(e.target);

      switch(menuItem.data("action")) {
        case "copy_name":
          copyToClipboard($(context).data("name"));
          break;

        case "unique_values":
          showUniqueColumnsValues(
            $("#results").data("table"), // table name
            $(context).data("name"),     // column name
            menuItem.data("counts")      // display counts
          );
          break;

        case "num_stats":
          showFieldNumStats(
            $("#results").data("table"), // table name
            $(context).data("name")      // column name
          );
          break;
      }
    }
  });

  $("#results_body").contextmenu({
    scopes: "td",
    target: "#results_row_menu",
    before: function(e, element, target) {
      var browseMode = $("#results").data("mode");
      var isEmpty    = $("#results").hasClass("empty");
      var isAllowed  = browseMode == "browse" || browseMode == "query";

      if (isEmpty || !isAllowed) {
        e.preventDefault();
        this.closemenu();
        return false;
      }
    },
    onItem: function(context, e) {
      var menuItem = $(e.target);

      switch(menuItem.data("action")) {
        case "copy_value":
          copyToClipboard($(context).text());
          break;
        case "filter_by_value":
          var colIdx   = $(context).data("col");
          var colValue = $(context).text();
          var colName  = $("#results_header th").eq(colIdx).data("name");

          $("select.column").val(colName);
          $("select.filter").val("equal");
          $("#table_filter_value").val(colValue);
          $("#rows_filter").submit();
      }
    }
  });
}

function bindCurrentDatabaseMenu() {
  $("#current_database").contextmenu({
    target: "#current_database_context_menu",
    onItem: function(context, e) {
      var menuItem = $(e.target);

      switch(menuItem.data("action")) {
        case "export":
          openInNewWindow("api/export");
          break;
      }
    }
  });
}

function bindDatabaseObjectsFilter() {
  var filterTimeout = null;

  $("#filter_database_objects").on("keyup", function (e) {
    clearTimeout(filterTimeout);

    var val = $(this).val().trim();

    // Reset search on ESC
    if (e.keyCode == 27 || val == "") {
      resetObjectsFilter();
      return;
    }

    $(".clear-objects-filter").show();
    $(".schema-group").addClass("expanded");

    filterTimeout = setTimeout(function () {
      filterObjectsByName(val)
    }, 200);
  });

  $(".clear-objects-filter").on("click", function(e) {
    resetObjectsFilter();
  });
}

function resetObjectsFilter() {
  $("#filter_database_objects").val("");
  $("#objects li.schema-item").show();
  $(".clear-objects-filter").hide();
}

function filterObjectsByName(query) {
  $("#objects li.schema-item").each(function (idx, el) {
    var item = $(el);
    var name = $(el).data("name");

    if (name.indexOf(query) < 0) {
      item.hide();
    } else {
      item.show();
    }
  });
}

function getQuotedSchemaTableName(table) {
  if (typeof table === "string" && table.indexOf(".") > -1) {
    var schemaTableComponents = table.split(".");
    return ['"', schemaTableComponents[0], '"."', schemaTableComponents[1], '"'].join('');
  }
  return table;
}

function bindContextMenus() {
  bindTableHeaderMenu();
  bindCurrentDatabaseMenu();

  $(".schema-group ul").each(function(id, el) {
    var group = $(el).data("group");

    if (group == "table") {
      $(el).contextmenu({
        target: "#tables_context_menu",
        scopes: "li.schema-table",
        onItem: function(context, e) {
          var el      = $(e.target);
          var table   = getQuotedSchemaTableName($(context[0]).data("id"));
          var action  = el.data("action");
          performTableAction(table, action, el);
        }
      });
    }

    if (group == "view") {
      $(el).contextmenu({
        target: "#view_context_menu",
        scopes: "li.schema-view",
        onItem: function(context, e) {
          var el      = $(e.target);
          var table   = getQuotedSchemaTableName($(context[0]).data("id"));
          var action  = el.data("action");
          performViewAction(table, action, el);
        }
      });
    }

    if (group == "materialized_view") {
      $(el).contextmenu({
        target: "#view_context_menu",
        scopes: "li.schema-materialized_view",
        onItem: function(context, e) {
          var el      = $(e.target);
          var table   = getQuotedSchemaTableName($(context[0]).data("id"));
          var action  = el.data("action");
          performViewAction(table, action, el);
        }
      });
    }
  });
}

function toggleDatabaseSearch() {
  $("#current_database").toggle();
  $("#database_search").toggle();
}

function enableDatabaseSearch(data) {
  var input = $("#database_search");

  input.typeahead("destroy");

  input.typeahead({
    source: data,
    minLength: 0,
    items: "all",
    autoSelect: false,
    fitToElement: true
  });

  input.typeahead("lookup").focus();

  input.on("focusout", function(e){
    toggleDatabaseSearch();
    input.off("focusout");
  });
}

function bindInputResizeEvents() {
  var height = sessionStorage.getItem("input_height");
  if (height) {
    resizeInput(height);
    checkInputSize();
  }

  $("body").on("mousemove", onInputResize);
  $("body").on("mouseup", endInputResize);
  $("#input_resize_handler").on("mousedown", beginInputResize);
  $(window).on("resize", checkInputSize);
}

function checkInputSize() {
  var inputHeight = $("#input").height();
  var bodyHeight = $("#body").height();

  if (bodyHeight == 0 || inputHeight == 0) return;

  if (inputHeight > bodyHeight || bodyHeight - inputHeight < 200) {
    resizeInput(bodyHeight - 200);
  }
}

function resizeInput(height) {
  if (height < 100) height = 100;

  var diff = 50 + 12; // actions box + padding

  $("#input").height(height);
  $("#input .input-wrapper").height(height - diff);
  $("#custom_query").height(height - diff);
  $("#output").css("top", height + "px");

  if (editor) {
    editor.resize();
  }
}

function beginInputResize() {
  inputResizing = true;
  inputResizeOffset = $("#input").offset().top;

  $("html").css("cursor", "row-resize");
  $("#input_resize_handler").addClass("dragging");
}

function endInputResize() {
  if (!inputResizing) return;

  inputResizing = false;
  inputResizeOffset = null;

  $("html").css("cursor", "auto");
  $("#input_resize_handler").removeClass("dragging");

  // Save current settings for page reloads
  sessionStorage.setItem("input_height", $("#input").height());
}

function onInputResize(event) {
  if (!inputResizing) return;

  var computedHeight = event.clientY - inputResizeOffset;
  if (computedHeight < 150) computedHeight = 150;

  resizeInput(computedHeight);
}

$(document).ready(function() {
  bindInputResizeEvents();

  $("#table_content").on("click",     function() { showTableContent();     });
  $("#table_structure").on("click",   function() { showTableStructure();   });
  $("#table_indexes").on("click",     function() { showTableIndexes();     });
  $("#table_constraints").on("click", function() { showTableConstraints(); });
  $("#table_history").on("click",     function() { showQueryHistory();     });
  $("#table_query").on("click",       function() { showQueryPanel();       });
  $("#table_connection").on("click",  function() { showConnectionPanel();  });
  $("#table_activity").on("click",    function() { showActivityPanel();    });

  $("#run").on("click", function() {
    runQuery();
  });

  $("#explain").on("click", function() {
    runExplain();
  });

  $("#analyze").on("click", function() {
    runAnalyze();
  });

  $("#csv").on("click", function() {
    exportTo("csv");
  });

  $("#json").on("click", function() {
    exportTo("json");
  });

  $("#xml").on("click", function() {
    exportTo("xml");
  });

  $("#results").on("click", "tr", function(e) {
    $("#results tr.selected").removeClass();
    $(this).addClass("selected");
  });

  $("#objects").on("click", ".schema-group-title", function(e) {
    $(this).parent().toggleClass("expanded");
  });

  $("#objects").on("click", ".schema-name", function(e) {
    $(this).parent().toggleClass("expanded");
  });

  $("#objects").on("click", "li", function(e) {
    currentObject = {
      name: $(this).data("id"),
      type: $(this).data("type")
    };

    $("#objects li").removeClass("active");
    $(this).addClass("active");
    $(".current-page").data("page", 1);
    $(".filters select, .filters input").val("");

    showTableInfo();

    switch(sessionStorage.getItem("tab")) {
      case "table_content":
        showTableContent();
        break;
      case "table_structure":
        showTableStructure();
        break;
      case "table_constraints":
        showTableConstraints();
        break;
      case "table_indexes":
        showTableIndexes();
        break;
      default:
        showTableContent();
    }
  });

  $("#results").on("click", "a.row-action", function(e) {
    e.preventDefault();

    var action = $(this).data("action");
    var value  = $(this).data("value");

    performRowAction(action, value);
  })

  $("#results").on("click", "th", function(e) {
    if (!$("#table_content").hasClass("selected")) return;

    var sortColumn = $(this).data("name");
    var sortOrder  = $(this).data("order") === "ASC" ? "DESC" : "ASC";

    $(this).data("order", sortOrder);
    showTableContent(sortColumn, sortOrder);
  });

  $("#refresh_tables").on("click", function() {
    loadSchemas();
  });

  $("#rows_filter").on("submit", function(e) {
    e.preventDefault();
    $(".current-page").data("page", 1);

    var column = $(this).find("select.column").val();
    var filter = $(this).find("select.filter").val();
    var query  = $.trim($(this).find("input").val());

    if (filter && filterOptions[filter].indexOf("DATA") > 0 && query == "") {
      alert("Please specify filter query");
      return
    }

    showTableContent();
  });

  $(".change-limit").on("click", function() {
    var limit = prompt("Please specify a new rows limit", getRowsLimit());

    if (limit && limit >= 1) {
      $(".current-page").data("page", 1);
      setRowsLimit(limit);
      showTableContent();
    }
  });

  $("select.filter").on("change", function(e) {
    var val = $(this).val();

    if (["null", "not_null"].indexOf(val) >= 0) {
      $(".filters input").hide().val("");
    }
    else {
      $(".filters input").show();
    }
  });

  $("button.reset-filters").on("click", function() {
    $(".filters select, .filters input").val("");
    showTableContent();
  });

  // Automatically prefill the filter if it's not set yet
  $("select.column").on("change", function() {
    if ($("select.filter").val() == "") {
      $("select.filter").val("equal");
      $("#table_filter_value").focus();
    }
  });

  $("#pagination .next-page").on("click", function() {
    var current = $(".current-page").data("page");
    var total   = $(".current-page").data("pages");

    if (total > current) {
      $(".current-page").data("page", current + 1);
      showPaginatedTableContent();

      if (current + 1 == total) {
        $(this).prop("disabled", "disabled");
      }
    }

    if (current > 1) {
      $(".prev-page").prop("disabled", "");
    }
  });

  $("#pagination .prev-page").on("click", function() {
    var current = $(".current-page").data("page");

    if (current > 1) {
      $(".current-page").data("page", current - 1);
      $(".next-page").prop("disabled", "");
      showPaginatedTableContent();
    }

    if (current == 1) {
      $(this).prop("disabled", "disabled");
    }
  });

  $("#current_database").on("click", function(e) {
    apiCall("get", "/databases", {}, function(resp) {
      toggleDatabaseSearch();
      enableDatabaseSearch(resp);
    });
  });

  $("#database_search").change(function(e) {
    var current = $("#database_search").typeahead("getActive");
    if (current && current == $("#database_search").val()) {
      apiCall("post", "/switchdb", { db: current }, function(resp) {
        if (resp.error) {
          alert(resp.error);
          return;
        };
        window.location.reload();
      });
    };
  });

  $("#edit_connection").on("click", function() {
    if (connected) {
      $("#close_connection_window").show();
    }

    showConnectionSettings();
  });

  $("#close_connection").on("click", function() {
    if (!confirm("Are you sure you want to disconnect?")) return;

    disconnect(function() {
      showConnectionSettings();
      resetTable();
      $("#close_connection_window").hide();
    });
  });

  $("#close_connection_window").on("click", function() {
    $("#connection_window").hide();
  });

  $("#connection_url").on("change", function() {
    if ($(this).val().indexOf("localhost") != -1) {
      $("#connection_ssl").val("disable");
    }
  });

  $("#pg_host").on("change", function() {
    var value = $(this).val();

    if (value.indexOf("localhost") != -1 || value.indexOf("127.0.0.1") != -1) {
      $("#connection_ssl").val("disable");
    }
  });

  $(".connection-group-switch button").on("click", function() {
    $(".connection-group-switch button").removeClass("active");
    $(this).addClass("active");

    switch($(this).attr("data")) {
      case "scheme":
        $(".connection-scheme-group").show();
        $(".connection-standard-group").hide();
        $(".connection-ssh-group").hide();
        return;
      case "standard":
        $(".connection-scheme-group").hide();
        $(".connection-standard-group").show();
        $(".connection-ssh-group").hide();
        return;
      case "ssh":
        $(".connection-scheme-group").hide();
        $(".connection-standard-group").show();
        $(".connection-ssh-group").show();
        return;
    }
  });

  $("#connection_bookmarks").on("change", function(e) {
    var name = $.trim($(this).val());
    if (name == "") return;

    var item = bookmarks[name];

    // Check if bookmark only has url set
    if (item.url && item.url != "") {
      $("#connection_url").val(item.url);
      $("#connection_scheme").click();
      return;
    }

    // Fill in bookmarked connection settings
    $("#pg_host").val(item.host);
    $("#pg_port").val(item.port);
    $("#pg_user").val(item.user);
    $("#pg_password").val(item.password);
    $("#pg_db").val(item.database);
    $("#connection_ssl").val(item.ssl);

    if (item.ssh && Object.keys(item.ssh).length > 0) {
      $("#ssh_host").val(item.ssh.host);
      $("#ssh_port").val(item.ssh.port);
      $("#ssh_user").val(item.ssh.user);
      $("#ssh_password").val(item.ssh.password);
      $("#ssh_key").val(item.ssh.key);
      $("#ssh_key_password").val(item.ssh.keypassword);
      $("#connection_ssh").click();
    }
    else {
      $("#ssh_host").val("");
      $("#ssh_port").val("");
      $("#ssh_user").val("");
      $("#ssh_password").val("");
      $("#ssh_key").val("");
      $("#ssh_key_password").val("");
      $(".connection-ssh-group").hide();
      $("#connection_standard").click();
    }
  });

  $("#connection_form").on("submit", function(e) {
    e.preventDefault();

    var button = $(this).find("button.open-connection");
    var params = {
      url: getConnectionString()
    };

    if (params.url.length == 0) {
      return;
    }

    if ($(".connection-group-switch button.active").attr("data") == "ssh") {
      params["ssh"]              = 1
      params["ssh_host"]         = $("#ssh_host").val();
      params["ssh_port"]         = $("#ssh_port").val();
      params["ssh_user"]         = $("#ssh_user").val();
      params["ssh_password"]     = $("#ssh_password").val();
      params["ssh_key"]          = $("#ssh_key").val();
      params["ssh_key_password"] = $("#ssh_key_password").val()
    }

    $("#connection_error").hide();
    button.prop("disabled", true).text("Please wait...");

    apiCall("post", "/connect", params, function(resp) {
      button.prop("disabled", false).text("Connect");

      if (resp.error) {
        connected = false;
        $("#connection_error").text(resp.error).show();
      }
      else {
        connected = true;
        loadSchemas();

        $("#connection_window").hide();
        $("#current_database").text(resp.current_database);
        $("#main").show();
      }
    });
  });

  initEditor();
  addShortcutTooltips();

  // Set session from the url
  var reqUrl = new URL(window.location);
  var sessionId = reqUrl.searchParams.get("session");

  if (sessionId && sessionId != "") {
    sessionStorage.setItem("session_id", sessionId);
    window.history.pushState({}, document.title, window.location.pathname);
  }

  apiCall("get", "/connection", {}, function(resp) {
    if (resp.error) {
      connected = false;
      showConnectionSettings();
      $(".connection-actions").show();
    }
    else {
      connected = true;
      loadSchemas();

      $("#current_database").text(resp.current_database);
      $("#main").show();

      if (!resp.session_lock) {
        $(".connection-actions").show();
      }
    }
  });

  bindDatabaseObjectsFilter();
});