mirror of https://github.com/vector-im/riot-web
Merge pull request #7 from matrix-org/nick-completion
Implement nick completion (tab-complete).pull/1/head
David Baker
commit
41bab56133
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@ -19,10 +19,20 @@ limitations under the License.
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var MatrixClientPeg = require("../../MatrixClientPeg");
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var dis = require("../../dispatcher");
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var KeyCode = {
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ENTER: 13,
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TAB: 9,
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SHIFT: 16
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};
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module.exports = {
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componentDidMount: function() {
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componentWillMount: function() {
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this.dispatcherRef = dis.register(this.onAction);
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this.tabStruct = {
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completing: false,
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original: null,
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index: 0
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};
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},
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componentWillUnmount: function() {
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@ -38,30 +48,143 @@ module.exports = {
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},
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onKeyDown: function (ev) {
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if (ev.keyCode == 13) {
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var contentText = this.refs.textarea.getDOMNode().value;
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var content = null;
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if (/^\/me /i.test(contentText)) {
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content = {
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msgtype: 'm.emote',
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body: contentText.substring(4)
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};
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} else {
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content = {
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msgtype: 'm.text',
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body: contentText
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};
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if (ev.keyCode === KeyCode.ENTER) {
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this.onEnter(ev);
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}
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else if (ev.keyCode === KeyCode.TAB) {
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var members = [];
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if (this.props.room) {
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members = this.props.room.getJoinedMembers();
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}
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MatrixClientPeg.get().sendMessage(this.props.room.roomId, content).then(function() {
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dis.dispatch({
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action: 'message_sent'
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});
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});
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this.refs.textarea.getDOMNode().value = '';
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ev.preventDefault();
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this.onTab(ev, members);
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}
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else if (ev.keyCode !== KeyCode.SHIFT && this.tabStruct.completing) {
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// they're resuming typing; reset tab complete state vars.
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this.tabStruct.completing = false;
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this.tabStruct.index = 0;
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}
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},
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onEnter: function(ev) {
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var contentText = this.refs.textarea.getDOMNode().value;
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var content = null;
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if (/^\/me /i.test(contentText)) {
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content = {
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msgtype: 'm.emote',
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body: contentText.substring(4)
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};
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} else {
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content = {
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msgtype: 'm.text',
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body: contentText
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};
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}
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MatrixClientPeg.get().sendMessage(this.props.room.roomId, content).then(function() {
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dis.dispatch({
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action: 'message_sent'
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});
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});
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this.refs.textarea.getDOMNode().value = '';
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ev.preventDefault();
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},
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onTab: function(ev, sortedMembers) {
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var textArea = this.refs.textarea.getDOMNode();
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if (!this.tabStruct.completing) {
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this.tabStruct.completing = true;
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this.tabStruct.index = 0;
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// cache starting text
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this.tabStruct.original = textArea.value;
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}
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// loop in the right direction
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if (ev.shiftKey) {
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this.tabStruct.index --;
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if (this.tabStruct.index < 0) {
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// wrap to the last search match, and fix up to a real index
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// value after we've matched.
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this.tabStruct.index = Number.MAX_VALUE;
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}
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}
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else {
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this.tabStruct.index++;
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}
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var searchIndex = 0;
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var targetIndex = this.tabStruct.index;
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var text = this.tabStruct.original;
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var search = /@?([a-zA-Z0-9_\-:\.]+)$/.exec(text);
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// console.log("Searched in '%s' - got %s", text, search);
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if (targetIndex === 0) { // 0 is always the original text
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textArea.value = text;
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}
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else if (search && search[1]) {
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// console.log("search found: " + search+" from "+text);
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var expansion;
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// FIXME: could do better than linear search here
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for (var i=0; i<sortedMembers.length; i++) {
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var member = sortedMembers[i];
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if (member.name && searchIndex < targetIndex) {
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if (member.name.toLowerCase().indexOf(search[1].toLowerCase()) === 0) {
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expansion = member.name;
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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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for (var i=0; i<sortedMembers.length; i++) {
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if (searchIndex >= targetIndex) {
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break;
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}
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var userId = sortedMembers[i].userId;
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// === 1 because mxids are @username
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if (userId.toLowerCase().indexOf(search[1].toLowerCase()) === 1) {
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expansion = userId;
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searchIndex++;
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}
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}
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}
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if (searchIndex === targetIndex ||
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targetIndex === Number.MAX_VALUE) {
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// xchat-style tab complete, add a colon if tab
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// completing at the start of the text
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if (search[0].length === text.length) {
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expansion += ": ";
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}
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else {
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expansion += " ";
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}
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textArea.value = text.replace(
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/@?([a-zA-Z0-9_\-:\.]+)$/, expansion
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);
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// cancel blink
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textArea.style["background-color"] = "";
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if (targetIndex === Number.MAX_VALUE) {
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// wrap the index around to the last index found
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this.tabStruct.index = searchIndex;
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targetIndex = searchIndex;
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}
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}
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else {
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// console.log("wrapped!");
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textArea.style["background-color"] = "#faa";
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setTimeout(function() {
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textArea.style["background-color"] = "";
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}, 150);
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textArea.value = text;
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this.tabStruct.index = 0;
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}
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}
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else {
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this.tabStruct.index = 0;
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}
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// prevent the default TAB operation (typically focus shifting)
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ev.preventDefault();
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}
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};
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