mirror of
https://mau.dev/maunium/synapse.git
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135 lines
5.6 KiB
JavaScript
135 lines
5.6 KiB
JavaScript
/*
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Copyright 2014 matrix.org
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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'use strict';
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angular.module('RoomController')
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.directive('tabComplete', ['$timeout', function ($timeout) {
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return function (scope, element, attrs) {
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element.bind("keydown keypress", function (event) {
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// console.log("event: " + event.which);
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if (event.which === 9) {
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if (!scope.tabCompleting) { // cache our starting text
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// console.log("caching " + element[0].value);
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scope.tabCompleteOriginal = element[0].value;
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scope.tabCompleting = true;
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}
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if (event.shiftKey) {
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scope.tabCompleteIndex--;
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if (scope.tabCompleteIndex < 0) {
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scope.tabCompleteIndex = 0;
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}
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}
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else {
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scope.tabCompleteIndex++;
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}
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var searchIndex = 0;
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var targetIndex = scope.tabCompleteIndex;
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var text = scope.tabCompleteOriginal;
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// console.log("targetIndex: " + targetIndex + ", text=" + text);
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// FIXME: use the correct regexp to recognise userIDs
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var search = /@?([a-zA-Z0-9_\-:\.]+)$/.exec(text);
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if (targetIndex === 0) {
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element[0].value = text;
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}
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else if (search && search[1]) {
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// console.log("search found: " + search);
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var expansion;
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// FIXME: could do better than linear search here
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angular.forEach(scope.members, function(item, name) {
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if (item.displayname && searchIndex < targetIndex) {
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if (item.displayname.toLowerCase().indexOf(search[1].toLowerCase()) === 0) {
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expansion = item.displayname;
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searchIndex++;
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}
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}
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});
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if (searchIndex < targetIndex) { // then search raw mxids
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angular.forEach(scope.members, function(item, name) {
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if (searchIndex < targetIndex) {
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if (name.toLowerCase().indexOf(search[1].toLowerCase()) === 1) {
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expansion = name;
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searchIndex++;
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}
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}
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});
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}
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if (searchIndex === targetIndex) {
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// xchat-style tab complete
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if (search[0].length === text.length)
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expansion += " : ";
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else
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expansion += " ";
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element[0].value = text.replace(/@?([a-zA-Z0-9_\-:\.]+)$/, expansion);
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// cancel blink
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element[0].className = "";
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}
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else {
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// console.log("wrapped!");
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element[0].className = "blink"; // XXX: slightly naughty to bypass angular
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$timeout(function() {
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element[0].className = "";
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}, 150);
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element[0].value = text;
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scope.tabCompleteIndex = 0;
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}
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}
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else {
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scope.tabCompleteIndex = 0;
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}
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event.preventDefault();
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}
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else if (event.which !== 16 && scope.tabCompleting) {
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scope.tabCompleting = false;
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scope.tabCompleteIndex = 0;
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}
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});
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};
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}])
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// A directive to anchor the scroller position at the bottom when the browser is resizing.
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// When the screen resizes, the bottom of the element remains the same, not the top.
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.directive('keepScroll', ['$window', function($window) {
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return {
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link: function(scope, elem, attrs) {
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scope.windowHeight = $window.innerHeight;
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// Listen to window size change
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angular.element($window).bind('resize', function() {
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// If the scroller is scrolled to the bottom, there is nothing to do.
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// The browser will move it as expected
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if (elem.scrollTop() + elem.height() !== elem[0].scrollHeight) {
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// Else, move the scroller position according to the window height change delta
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var windowHeightDelta = $window.innerHeight - scope.windowHeight;
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elem.scrollTop(elem.scrollTop() - windowHeightDelta);
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}
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// Store the new window height for the next screen size change
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scope.windowHeight = $window.innerHeight;
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});
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}
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};
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}]);
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