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SYWEB-152: Move up/down history fully to a directive.
Previously, there was some of it in a lovely generic directive, but the core of it was hard coded id attributes in RoomController. It's now all generic in a directive: the room history you get when you up/down arrow is determined by the value of the attribute e.g. command-history="!foo:bar" would present the history for !foo:bar. In practice, this is {{room_id}} in the html.
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3 changed files with 101 additions and 94 deletions
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@ -414,7 +414,8 @@ angular.module('RoomController', ['ngSanitize', 'matrixFilter', 'mFileInput', 'a
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scrollToBottom(true);
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// Store the command in the history
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history.push(input);
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$rootScope.$broadcast("commandHistory:BROADCAST_NEW_HISTORY_ITEM(item)",
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input);
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var isEmote = input.indexOf("/me ") === 0;
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var promise;
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@ -625,9 +626,6 @@ angular.module('RoomController', ['ngSanitize', 'matrixFilter', 'mFileInput', 'a
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// Make recents highlight the current room
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recentsService.setSelectedRoomId($scope.room_id);
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// Init the history for this room
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history.init();
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// Get the up-to-date the current member list
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matrixService.getMemberList($scope.room_id).then(
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function(response) {
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@ -746,84 +744,6 @@ angular.module('RoomController', ['ngSanitize', 'matrixFilter', 'mFileInput', 'a
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$rootScope.currentCall = call;
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};
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// Manage history of typed messages
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// History is saved in sessionStoratge so that it survives when the user
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// navigates through the rooms and when it refreshes the page
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var history = {
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// The list of typed messages. Index 0 is the more recents
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data: [],
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// The position in the history currently displayed
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position: -1,
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// The message the user has started to type before going into the history
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typingMessage: undefined,
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// Init/load data for the current room
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init: function() {
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var data = sessionStorage.getItem("history_" + $scope.room_id);
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if (data) {
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this.data = JSON.parse(data);
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}
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},
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// Store a message in the history
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push: function(message) {
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this.data.unshift(message);
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// Update the session storage
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sessionStorage.setItem("history_" + $scope.room_id, JSON.stringify(this.data));
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// Reset history position
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this.position = -1;
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this.typingMessage = undefined;
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},
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// Move in the history
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go: function(offset) {
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if (-1 === this.position) {
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// User starts to go to into the history, save the current line
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this.typingMessage = $('#mainInput').val();
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}
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else {
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// If the user modified this line in history, keep the change
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this.data[this.position] = $('#mainInput').val();
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}
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// Bounds the new position to valid data
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var newPosition = this.position + offset;
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newPosition = Math.max(-1, newPosition);
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newPosition = Math.min(newPosition, this.data.length - 1);
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this.position = newPosition;
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if (-1 !== this.position) {
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// Show the message from the history
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$('#mainInput').val(this.data[this.position]);
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}
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else if (undefined !== this.typingMessage) {
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// Go back to the message the user started to type
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$('#mainInput').val(this.typingMessage);
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}
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}
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};
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// Make history singleton methods available from HTML
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$scope.history = {
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goUp: function($event) {
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if ($scope.room_id) {
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history.go(1);
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}
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$event.preventDefault();
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},
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goDown: function($event) {
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if ($scope.room_id) {
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history.go(-1);
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}
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$event.preventDefault();
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}
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};
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$scope.openJson = function(content) {
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$scope.event_selected = angular.copy(content);
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@ -144,19 +144,106 @@ angular.module('RoomController')
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});
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};
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}])
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// A directive which stores text sent into it and restores it via up/down arrows
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.directive('commandHistory', [ function() {
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return function (scope, element, attrs) {
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var BROADCAST_NEW_HISTORY_ITEM = "commandHistory:BROADCAST_NEW_HISTORY_ITEM(item)";
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// Manage history of typed messages
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// History is saved in sessionStorage so that it survives when the user
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// navigates through the rooms and when it refreshes the page
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var history = {
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// The list of typed messages. Index 0 is the more recents
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data: [],
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// The position in the history currently displayed
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position: -1,
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element: undefined,
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roomId: undefined,
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// The message the user has started to type before going into the history
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typingMessage: undefined,
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// Init/load data for the current room
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init: function(element, roomId) {
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this.roomId = roomId;
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this.element = element;
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var data = sessionStorage.getItem("history_" + this.roomId);
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if (data) {
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this.data = JSON.parse(data);
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}
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},
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// Store a message in the history
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push: function(message) {
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this.data.unshift(message);
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// Update the session storage
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sessionStorage.setItem("history_" + this.roomId, JSON.stringify(this.data));
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// Reset history position
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this.position = -1;
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this.typingMessage = undefined;
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},
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// Move in the history
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go: function(offset) {
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if (-1 === this.position) {
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// User starts to go to into the history, save the current line
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this.typingMessage = this.element.val();
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}
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else {
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// If the user modified this line in history, keep the change
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this.data[this.position] = this.element.val();
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}
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// Bounds the new position to valid data
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var newPosition = this.position + offset;
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newPosition = Math.max(-1, newPosition);
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newPosition = Math.min(newPosition, this.data.length - 1);
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this.position = newPosition;
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if (-1 !== this.position) {
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// Show the message from the history
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this.element.val(this.data[this.position]);
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}
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else if (undefined !== this.typingMessage) {
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// Go back to the message the user started to type
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this.element.val(this.typingMessage);
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}
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}
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};
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return {
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restrict: "AE",
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scope: {
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roomId: "=commandHistory"
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},
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link: function (scope, element, attrs) {
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element.bind("keydown", function (event) {
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var keycodePressed = event.which;
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var UP_ARROW = 38;
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var DOWN_ARROW = 40;
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if (scope.roomId) {
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if (keycodePressed === UP_ARROW) {
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scope.history.goUp(event);
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history.go(1);
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event.preventDefault();
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}
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else if (keycodePressed === DOWN_ARROW) {
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scope.history.goDown(event);
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history.go(-1);
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event.preventDefault();
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}
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}
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});
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scope.$on(BROADCAST_NEW_HISTORY_ITEM, function(ngEvent, item) {
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history.push(item);
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});
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history.init(element, scope.roomId);
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},
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}
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}])
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@ -251,7 +251,7 @@
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<button id="attachButton" m-file-input="imageFileToSend" class="extraControls" ng-disabled="state.permission_denied"></button>
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<textarea id="mainInput" rows="1" ng-enter="send()"
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ng-disabled="state.permission_denied"
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ng-focus="true" autocomplete="off" tab-complete command-history/>
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ng-focus="true" autocomplete="off" tab-complete command-history="room_id"/>
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{{ feedback }}
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<div ng-show="state.stream_failure">
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{{ state.stream_failure.data.error || "Connection failure" }}
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