|
|
@@ -0,0 +1,253 @@
|
|
|
+// Licensed to Cloudera, Inc. under one
|
|
|
+// or more contributor license agreements. See the NOTICE file
|
|
|
+// distributed with this work for additional information
|
|
|
+// regarding copyright ownership. Cloudera, Inc. licenses this file
|
|
|
+// to you under the Apache License, Version 2.0 (the
|
|
|
+// "License"); you may not use this file except in compliance
|
|
|
+// with the License. You may obtain a copy of the License at
|
|
|
+//
|
|
|
+// http://www.apache.org/licenses/LICENSE-2.0
|
|
|
+//
|
|
|
+// Unless required by applicable law or agreed to in writing, software
|
|
|
+// distributed under the License is distributed on an "AS IS" BASIS,
|
|
|
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
|
+// See the License for the specific language governing permissions and
|
|
|
+// limitations under the License.
|
|
|
+/*
|
|
|
+ * jHue HDFS autocomplete plugin
|
|
|
+ * augment a textbox into an HDFS autocomplete
|
|
|
+ */
|
|
|
+
|
|
|
+(function ($, window, document, undefined) {
|
|
|
+ var pluginName = "jHueHdfsAutocomplete",
|
|
|
+ defaults = {
|
|
|
+ home: "/",
|
|
|
+ onEnter: function () {
|
|
|
+ },
|
|
|
+ onBlur: function () {
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ function Plugin(element, options) {
|
|
|
+ this.element = element;
|
|
|
+ this.options = $.extend({}, defaults, options);
|
|
|
+ this._defaults = defaults;
|
|
|
+ this._name = pluginName;
|
|
|
+ this.init();
|
|
|
+ }
|
|
|
+
|
|
|
+ Plugin.prototype.init = function () {
|
|
|
+ var _this = this;
|
|
|
+ var _el = $(_this.element);
|
|
|
+
|
|
|
+ // creates autocomplete popover
|
|
|
+ if ($("#jHueHdfsAutocomplete").length == 0) {
|
|
|
+ $("<div>").attr("id", "jHueHdfsAutocomplete").addClass("popover")
|
|
|
+ .addClass("bottom").attr("style", "position:absolute;display:none;max-width:1000px;z-index:33000")
|
|
|
+ .html('<div class="arrow"></div><div class="popover-inner"><h3 class="popover-title"></h3><div class="popover-content"><p><ul class="unstyled"></ul></p></div></div>')
|
|
|
+ .appendTo($(document));
|
|
|
+ }
|
|
|
+
|
|
|
+ function setHueBreadcrumbCaretAtEnd(element) {
|
|
|
+ var elemLength = element.value.length;
|
|
|
+ if (document.selection) {
|
|
|
+ element.focus();
|
|
|
+ var _oSel = document.selection.createRange();
|
|
|
+ _oSel.moveStart('character', -elemLength);
|
|
|
+ _oSel.moveStart('character', elemLength);
|
|
|
+ _oSel.moveEnd('character', 0);
|
|
|
+ _oSel.select();
|
|
|
+ }
|
|
|
+ else if (element.selectionStart || element.selectionStart == '0') {
|
|
|
+ element.selectionStart = elemLength;
|
|
|
+ element.selectionEnd = elemLength;
|
|
|
+ element.focus();
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ _el.focus(function () {
|
|
|
+ $(document.body).on("contextmenu", function (e) {
|
|
|
+ e.preventDefault(); // prevents native menu on FF for Mac from being shown
|
|
|
+ });
|
|
|
+ setHueBreadcrumbCaretAtEnd(_this.element);
|
|
|
+ });
|
|
|
+
|
|
|
+ _el.keydown(function (e) {
|
|
|
+ if (e.keyCode == 9) {
|
|
|
+ e.preventDefault();
|
|
|
+ showHdfsAutocomplete(function () {
|
|
|
+ var path = _el.val();
|
|
|
+ if (path.indexOf("/") > -1) {
|
|
|
+ path = path.substr(path.lastIndexOf("/") + 1);
|
|
|
+ }
|
|
|
+ guessHdfsPath(path);
|
|
|
+ });
|
|
|
+ }
|
|
|
+ });
|
|
|
+
|
|
|
+ var _hdfsAutocompleteSelectedIndex = -1;
|
|
|
+ _el.keyup(function (e) {
|
|
|
+ if (e.keyCode == 38) {
|
|
|
+ if (_hdfsAutocompleteSelectedIndex <= 0) {
|
|
|
+ _hdfsAutocompleteSelectedIndex = $("#jHueHdfsAutocomplete ul li").length - 1;
|
|
|
+ }
|
|
|
+ else {
|
|
|
+ _hdfsAutocompleteSelectedIndex--;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (e.keyCode == 40) {
|
|
|
+ if (_hdfsAutocompleteSelectedIndex == $("#jHueHdfsAutocomplete ul li").length - 1) {
|
|
|
+ _hdfsAutocompleteSelectedIndex = 0;
|
|
|
+ }
|
|
|
+ else {
|
|
|
+ _hdfsAutocompleteSelectedIndex++;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (e.keyCode == 38 || e.keyCode == 40) {
|
|
|
+ $("#jHueHdfsAutocomplete ul li").removeClass("active");
|
|
|
+ $("#jHueHdfsAutocomplete ul li").eq(_hdfsAutocompleteSelectedIndex).addClass("active");
|
|
|
+ $("#jHueHdfsAutocomplete .popover-content").scrollTop($("#jHueHdfsAutocomplete ul li").eq(_hdfsAutocompleteSelectedIndex).prevAll().length * $("#jHueHdfsAutocomplete ul li").eq(_hdfsAutocompleteSelectedIndex).outerHeight());
|
|
|
+ }
|
|
|
+ if ((e.keyCode == 32 && e.ctrlKey) || e.keyCode == 191) {
|
|
|
+ showHdfsAutocomplete();
|
|
|
+ }
|
|
|
+ if (e.keyCode == 13) {
|
|
|
+ $("#jHueHdfsAutocomplete").hide();
|
|
|
+ if (_hdfsAutocompleteSelectedIndex > -1) {
|
|
|
+ $("#jHueHdfsAutocomplete ul li").eq(_hdfsAutocompleteSelectedIndex).click();
|
|
|
+ }
|
|
|
+ else {
|
|
|
+ _this.options.onEnter($(this));
|
|
|
+ }
|
|
|
+ _hdfsAutocompleteSelectedIndex = -1;
|
|
|
+ }
|
|
|
+ });
|
|
|
+
|
|
|
+ var _pauseBlur = false;
|
|
|
+
|
|
|
+ _el.blur(function () {
|
|
|
+ if (!_pauseBlur) {
|
|
|
+ $(document.body).off("contextmenu");
|
|
|
+ $("#jHueHdfsAutocomplete").hide();
|
|
|
+ _this.options.onBlur();
|
|
|
+ }
|
|
|
+ });
|
|
|
+
|
|
|
+ var BASE_PATH = "/filebrowser/view";
|
|
|
+ var _currentFiles = [];
|
|
|
+
|
|
|
+ function showHdfsAutocomplete(callback) {
|
|
|
+ var path = _el.val();
|
|
|
+ var autocompleteUrl = BASE_PATH;
|
|
|
+ if (path.indexOf("/") == 0) {
|
|
|
+ autocompleteUrl += path.substr(0, path.lastIndexOf("/"));
|
|
|
+ }
|
|
|
+ else if (path.indexOf("/") > 0) {
|
|
|
+ autocompleteUrl += _this.options.home + path.substr(0, path.lastIndexOf("/"));
|
|
|
+ }
|
|
|
+ else {
|
|
|
+ autocompleteUrl += _this.options.home;
|
|
|
+ }
|
|
|
+ $.getJSON(autocompleteUrl + "?pagesize=1000&format=json", function (data) {
|
|
|
+ _currentFiles = [];
|
|
|
+ if (data.error == null) {
|
|
|
+ $(data.files).each(function (cnt, item) {
|
|
|
+ if (item.name != ".") {
|
|
|
+ var ico = "fa-file-o";
|
|
|
+ if (item.type == "dir") {
|
|
|
+ ico = "fa-folder";
|
|
|
+ }
|
|
|
+ _currentFiles.push('<li class="hdfsAutocompleteItem" data-value="' + item.name + '"><i class="fa ' + ico + '"></i> ' + item.name + '</li>');
|
|
|
+ }
|
|
|
+ });
|
|
|
+ window.setTimeout(function () {
|
|
|
+ $("#jHueHdfsAutocomplete").css("top", _el.position().top + _el.outerHeight()).css("left", _el.position().left).width(_el.width());
|
|
|
+ $("#jHueHdfsAutocomplete").find("ul").empty().html(_currentFiles.join(""));
|
|
|
+ $("#jHueHdfsAutocomplete").find("li").on("click", function (e) {
|
|
|
+ e.preventDefault();
|
|
|
+ var item = $(this).text().trim();
|
|
|
+ var path = autocompleteUrl.substring(BASE_PATH.length);
|
|
|
+ if (item == "..") { // one folder up
|
|
|
+ _el.val(path.substring(0, path.lastIndexOf("/")));
|
|
|
+ }
|
|
|
+ else {
|
|
|
+ _el.val(path + "/" + item);
|
|
|
+ }
|
|
|
+ if ($(this).html().indexOf("folder") > -1) {
|
|
|
+ _el.val(_el.val() + "/");
|
|
|
+ showHdfsAutocomplete();
|
|
|
+ }
|
|
|
+ else {
|
|
|
+ _this.options.onEnter(_el);
|
|
|
+ }
|
|
|
+ });
|
|
|
+ $("#jHueHdfsAutocomplete").show();
|
|
|
+ setHueBreadcrumbCaretAtEnd(_this.element);
|
|
|
+ if ("undefined" != typeof callback) {
|
|
|
+ callback();
|
|
|
+ }
|
|
|
+ }, 100); // timeout for IE8
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ $(document).on("mouseenter", ".hdfsAutocompleteItem", function () {
|
|
|
+ _pauseBlur = true;
|
|
|
+ });
|
|
|
+
|
|
|
+ $(document).on("mouseout", ".hdfsAutocompleteItem", function () {
|
|
|
+ _pauseBlur = false;
|
|
|
+ })
|
|
|
+
|
|
|
+ function guessHdfsPath(lastChars) {
|
|
|
+ var possibleMatches = [];
|
|
|
+ for (var i = 0; i < _currentFiles.length; i++) {
|
|
|
+ if (($(_currentFiles[i]).text().trim().indexOf(lastChars) == 0 || lastChars == "") && $(_currentFiles[i]).text().trim() != "..") {
|
|
|
+ possibleMatches.push(_currentFiles[i]);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (possibleMatches.length == 1) {
|
|
|
+ _el.val(_el.val() + $(possibleMatches[0]).text().trim().substr(lastChars.length));
|
|
|
+ if ($(possibleMatches[0]).html().indexOf("folder") > -1) {
|
|
|
+ _el.val(_el.val() + "/");
|
|
|
+ showHdfsAutocomplete();
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else if (possibleMatches.length > 1) {
|
|
|
+ // finds the longest common prefix
|
|
|
+ var possibleMatchesPlain = [];
|
|
|
+ for (var z = 0; z < possibleMatches.length; z++) {
|
|
|
+ possibleMatchesPlain.push($(possibleMatches[z]).text().trim());
|
|
|
+ }
|
|
|
+ var arr = possibleMatchesPlain.slice(0).sort(),
|
|
|
+ word1 = arr[0], word2 = arr[arr.length - 1],
|
|
|
+ j = 0;
|
|
|
+ while (word1.charAt(j) == word2.charAt(j))++j;
|
|
|
+ var match = word1.substring(0, j);
|
|
|
+ _el.val(_el.val() + match.substr(lastChars.length));
|
|
|
+ }
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ Plugin.prototype.setOptions = function (options) {
|
|
|
+ this.options = $.extend({}, defaults, options);
|
|
|
+ };
|
|
|
+
|
|
|
+
|
|
|
+ $.fn[pluginName] = function (options) {
|
|
|
+ return this.each(function () {
|
|
|
+ if (!$.data(this, 'plugin_' + pluginName)) {
|
|
|
+ $.data(this, 'plugin_' + pluginName, new Plugin(this, options));
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ $[pluginName] = function (options) {
|
|
|
+ if (typeof console != "undefined") {
|
|
|
+ console.warn("$(elem).jHueHdfsAutocomplete() is a preferred call method.");
|
|
|
+ }
|
|
|
+ $(options.element).jHueHdfsAutocomplete(options);
|
|
|
+ };
|
|
|
+
|
|
|
+})(jQuery, window, document);
|