move focus-via-up/down cursors to LeftPanel

pull/3654/head
Matthew Hodgson 2017-04-18 17:36:23 +01:00
parent f8aa2c3487
commit 053beae035
1 changed files with 93 additions and 1 deletions

View File

@ -19,9 +19,11 @@ limitations under the License.
var React = require('react');
var DragDropContext = require('react-dnd').DragDropContext;
var HTML5Backend = require('react-dnd-html5-backend');
var KeyCode = require('matrix-react-sdk/lib/KeyCode');
var sdk = require('matrix-react-sdk')
var dis = require('matrix-react-sdk/lib/dispatcher');
var VectorConferenceHandler = require('../../VectorConferenceHandler');
var CallHandler = require("matrix-react-sdk/lib/CallHandler");
@ -40,6 +42,10 @@ var LeftPanel = React.createClass({
};
},
componentWillMount: function() {
this.focusedElement = null;
},
componentDidMount: function() {
this.dispatcherRef = dis.register(this.onAction);
},
@ -62,6 +68,91 @@ var LeftPanel = React.createClass({
}
},
_onFocus: function(ev) {
this.focusedElement = ev.target;
},
_onBlur: function(ev) {
this.focusedElement = null;
},
_onKeyDown: function(ev) {
if (!this.focusedElement) return;
let handled = false;
switch (ev.keyCode) {
case KeyCode.UP:
this._onMoveFocus(true);
handled = true;
break;
case KeyCode.DOWN:
this._onMoveFocus(false);
handled = true;
break;
}
if (handled) {
ev.stopPropagation();
ev.preventDefault();
}
},
_onMoveFocus: function(up) {
var element = this.focusedElement;
// unclear why this isn't needed
// var descending = (up == this.focusDirection) ? this.focusDescending : !this.focusDescending;
// this.focusDirection = up;
var descending = false; // are we currently descending or ascending through the DOM tree?
var classes;
do {
var child = up ? element.lastElementChild : element.firstElementChild;
var sibling = up ? element.previousElementSibling : element.nextElementSibling;
if (descending) {
if (child) {
element = child;
}
else if (sibling) {
element = sibling;
}
else {
descending = false;
element = element.parentElement;
}
}
else {
if (sibling) {
element = sibling;
descending = true;
}
else {
element = element.parentElement;
}
}
if (element) {
classes = element.classList;
if (classes.contains("mx_LeftPanel")) { // we hit the top
element = up ? element.lastElementChild : element.firstElementChild;
descending = true;
}
}
} while(element && !(
classes.contains("mx_RoomTile") ||
classes.contains("mx_SearchBox_search") ||
classes.contains("mx_RoomSubList_ellipsis")));
if (element) {
element.focus();
this.focusedElement = element;
this.focusedDescending = descending;
}
},
_recheckCallElement: function(selectedRoomId) {
// if we aren't viewing a room with an ongoing call, but there is an
// active call, show the call element - we need to do this to make
@ -120,7 +211,8 @@ var LeftPanel = React.createClass({
}
return (
<aside className={classes} style={{ opacity: this.props.opacity }}>
<aside className={classes} style={{ opacity: this.props.opacity }}
onKeyDown={ this._onKeyDown } onFocus={ this._onFocus } onBlur={ this._onBlur }>
<SearchBox collapsed={ this.props.collapsed } onSearch={ this.onSearch } />
{ collapseButton }
{ callPreview }