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Code Issues Releases Wiki Activity

Remove TabComplete-related files

pull/21833/head
Luke Barnard 2017-07-13 10:16:42 +01:00
parent 441954c8c1
commit 0e12e384cb
3 changed files with 0 additions and 564 deletions
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391
src/TabComplete.js
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/*
Copyright 2015, 2016 OpenMarket Ltd
Licensed 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.
*/
import { Entry, MemberEntry, CommandEntry } from './TabCompleteEntries';
import SlashCommands from './SlashCommands';
import MatrixClientPeg from './MatrixClientPeg';
const DELAY_TIME_MS = 1000;
const KEY_TAB = 9;
const KEY_SHIFT = 16;
const KEY_WINDOWS = 91;
// NB: DO NOT USE \b its "words" are roman alphabet only!
//
// Capturing group containing the start
// of line or a whitespace char
// \_______________ __________Capturing group of 0 or more non-whitespace chars
// _|__ _|_ followed by the end of line
// / \/ \
const MATCH_REGEX = /(^|\s)(\S*)$/;
class TabComplete {
constructor(opts) {
opts.allowLooping = opts.allowLooping || false;
opts.autoEnterTabComplete = opts.autoEnterTabComplete || false;
opts.onClickCompletes = opts.onClickCompletes || false;
this.opts = opts;
this.completing = false;
this.list = []; // full set of tab-completable things
this.matchedList = []; // subset of completable things to loop over
this.currentIndex = 0; // index in matchedList currently
this.originalText = null; // original input text when tab was first hit
this.textArea = opts.textArea; // DOMElement
this.isFirstWord = false; // true if you tab-complete on the first word
this.enterTabCompleteTimerId = null;
this.inPassiveMode = false;
// Map tracking ordering of the room members.
// userId: integer, highest comes first.
this.memberTabOrder = {};
// monotonically increasing counter used for tracking ordering of members
this.memberOrderSeq = 0;
}
/**
* Call this when a a UI element representing a tab complete entry has been clicked
* @param {entry} The entry that was clicked
*/
onEntryClick(entry) {
if (this.opts.onClickCompletes) {
this.completeTo(entry);
}
}
loadEntries(room) {
this._makeEntries(room);
this._initSorting(room);
this._sortEntries();
}
onMemberSpoke(member) {
if (this.memberTabOrder[member.userId] === undefined) {
this.list.push(new MemberEntry(member));
}
this.memberTabOrder[member.userId] = this.memberOrderSeq++;
this._sortEntries();
}
/**
* @param {DOMElement}
*/
setTextArea(textArea) {
this.textArea = textArea;
}
/**
* @return {Boolean}
*/
isTabCompleting() {
// actually have things to tab over
return this.completing && this.matchedList.length > 1;
}
stopTabCompleting() {
this.completing = false;
this.currentIndex = 0;
this._notifyStateChange();
}
startTabCompleting(passive) {
this.originalText = this.textArea.value; // cache starting text
// grab the partial word from the text which we'll be tab-completing
var res = MATCH_REGEX.exec(this.originalText);
if (!res) {
this.matchedList = [];
return;
}
// ES6 destructuring; ignore first element (the complete match)
var [, boundaryGroup, partialGroup] = res;
if (partialGroup.length === 0 && passive) {
return;
}
this.isFirstWord = partialGroup.length === this.originalText.length;
this.completing = true;
this.currentIndex = 0;
this.matchedList = [
new Entry(partialGroup) // first entry is always the original partial
];
// find matching entries in the set of entries given to us
this.list.forEach((entry) => {
if (entry.text.toLowerCase().indexOf(partialGroup.toLowerCase()) === 0) {
this.matchedList.push(entry);
}
});
// console.log("calculated completions => %s", JSON.stringify(this.matchedList));
}
/**
* Do an auto-complete with the given word. This terminates the tab-complete.
* @param {Entry} entry The tab-complete entry to complete to.
*/
completeTo(entry) {
this.textArea.value = this._replaceWith(
entry.getFillText(), true, entry.getSuffix(this.isFirstWord)
);
this.stopTabCompleting();
// keep focus on the text area
this.textArea.focus();
}
/**
* @param {Number} numAheadToPeek Return *up to* this many elements.
* @return {Entry[]}
*/
peek(numAheadToPeek) {
if (this.matchedList.length === 0) {
return [];
}
var peekList = [];
// return the current match item and then one with an index higher, and
// so on until we've reached the requested limit. If we hit the end of
// the list of options we're done.
for (var i = 0; i < numAheadToPeek; i++) {
var nextIndex;
if (this.opts.allowLooping) {
nextIndex = (this.currentIndex + i) % this.matchedList.length;
}
else {
nextIndex = this.currentIndex + i;
if (nextIndex === this.matchedList.length) {
break;
}
}
peekList.push(this.matchedList[nextIndex]);
}
// console.log("Peek list(%s): %s", numAheadToPeek, JSON.stringify(peekList));
return peekList;
}
handleTabPress(passive, shiftKey) {
var wasInPassiveMode = this.inPassiveMode && !passive;
this.inPassiveMode = passive;
if (!this.completing) {
this.startTabCompleting(passive);
}
if (shiftKey) {
this.nextMatchedEntry(-1);
}
else {
// if we were in passive mode we got out of sync by incrementing the
// index to show the peek view but not set the text area. Therefore,
// we want to set the *current* index rather than the *next* index.
this.nextMatchedEntry(wasInPassiveMode ? 0 : 1);
}
this._notifyStateChange();
}
/**
* @param {DOMEvent} e
*/
onKeyDown(ev) {
if (!this.textArea) {
console.error("onKeyDown called before a <textarea> was set!");
return;
}
if (ev.keyCode !== KEY_TAB) {
// pressing any key (except shift, windows, cmd (OSX) and ctrl/alt combinations)
// aborts the current tab completion
if (this.completing && ev.keyCode !== KEY_SHIFT &&
!ev.metaKey && !ev.ctrlKey && !ev.altKey && ev.keyCode !== KEY_WINDOWS) {
// they're resuming typing; reset tab complete state vars.
this.stopTabCompleting();
}
// explicitly pressing any key except tab removes passive mode. Tab doesn't remove
// passive mode because handleTabPress needs to know when passive mode is toggling
// off so it can resync the textarea/peek list. If tab did remove passive mode then
// handleTabPress would never be able to tell when passive mode toggled off.
this.inPassiveMode = false;
// pressing any key at all (except tab) restarts the automatic tab-complete timer
if (this.opts.autoEnterTabComplete) {
const cachedText = ev.target.value;
clearTimeout(this.enterTabCompleteTimerId);
this.enterTabCompleteTimerId = setTimeout(() => {
if (this.completing) {
// If you highlight text and CTRL+X it, tab-completing will not be reset.
// This check makes sure that if something like a cut operation has been
// done, that we correctly refresh the tab-complete list. Normal backspace
// operations get caught by the stopTabCompleting() section above, but
// because the CTRL key is held, this does not execute for CTRL+X.
if (cachedText !== this.textArea.value) {
this.stopTabCompleting();
}
}
if (!this.completing) {
this.handleTabPress(true, false);
}
}, DELAY_TIME_MS);
}
return;
}
// ctrl-tab/alt-tab etc shouldn't trigger a complete
if (ev.ctrlKey || ev.metaKey || ev.altKey) return;
// tab key has been pressed at this point
this.handleTabPress(false, ev.shiftKey);
// prevent the default TAB operation (typically focus shifting)
ev.preventDefault();
}
/**
* Set the textarea to the next value in the matched list.
* @param {Number} offset Offset to apply *before* setting the next value.
*/
nextMatchedEntry(offset) {
if (this.matchedList.length === 0) {
return;
}
// work out the new index, wrapping if necessary.
this.currentIndex += offset;
if (this.currentIndex >= this.matchedList.length) {
this.currentIndex = 0;
}
else if (this.currentIndex < 0) {
this.currentIndex = this.matchedList.length - 1;
}
var isTransitioningToOriginalText = (
// impossible to transition if they've never hit tab
!this.inPassiveMode && this.currentIndex === 0
);
if (!this.inPassiveMode) {
// set textarea to this new value
this.textArea.value = this._replaceWith(
this.matchedList[this.currentIndex].getFillText(),
this.currentIndex !== 0, // don't suffix the original text!
this.matchedList[this.currentIndex].getSuffix(this.isFirstWord)
);
}
// visual display to the user that we looped - TODO: This should be configurable
if (isTransitioningToOriginalText) {
this.textArea.style["background-color"] = "#faa";
setTimeout(() => { // yay for lexical 'this'!
this.textArea.style["background-color"] = "";
}, 150);
if (!this.opts.allowLooping) {
this.stopTabCompleting();
}
}
else {
this.textArea.style["background-color"] = ""; // cancel blinks TODO: required?
}
}
_replaceWith(newVal, includeSuffix, suffix) {
// The regex to replace the input matches a character of whitespace AND
// the partial word. If we just use string.replace() with the regex it will
// replace the partial word AND the character of whitespace. We want to
// preserve whatever that character is (\n, \t, etc) so find out what it is now.
var boundaryChar;
var res = MATCH_REGEX.exec(this.originalText);
if (res) {
boundaryChar = res[1]; // the first captured group
}
if (boundaryChar === undefined) {
console.warn("Failed to find boundary char on text: '%s'", this.originalText);
boundaryChar = "";
}
suffix = suffix || "";
if (!includeSuffix) {
suffix = "";
}
var replacementText = boundaryChar + newVal + suffix;
return this.originalText.replace(MATCH_REGEX, function() {
return replacementText; // function form to avoid `$` special-casing
});
}
_notifyStateChange() {
if (this.opts.onStateChange) {
this.opts.onStateChange(this.completing);
}
}
_sortEntries() {
// largest comes first
const KIND_ORDER = {
command: 1,
member: 2,
};
this.list.sort((a, b) => {
const kindOrderDifference = KIND_ORDER[b.kind] - KIND_ORDER[a.kind];
if (kindOrderDifference != 0) {
return kindOrderDifference;
}
if (a.kind == 'member') {
let orderA = this.memberTabOrder[a.member.userId];
let orderB = this.memberTabOrder[b.member.userId];
if (orderA === undefined) orderA = -1;
if (orderB === undefined) orderB = -1;
return orderB - orderA;
}
// anything else we have no ordering for
return 0;
});
}
_makeEntries(room) {
const myUserId = MatrixClientPeg.get().credentials.userId;
const members = room.getJoinedMembers().filter(function(member) {
if (member.userId !== myUserId) return true;
});
this.list = MemberEntry.fromMemberList(members).concat(
CommandEntry.fromCommands(SlashCommands.getCommandList())
);
}
_initSorting(room) {
this.memberTabOrder = {};
this.memberOrderSeq = 0;
for (const ev of room.getLiveTimeline().getEvents()) {
this.memberTabOrder[ev.getSender()] = this.memberOrderSeq++;
}
}
}
module.exports = TabComplete;

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src/TabCompleteEntries.js
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/*
Copyright 2015, 2016 OpenMarket Ltd
Licensed 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.
*/
var sdk = require("./index");
class Entry {
constructor(text) {
this.text = text;
}
/**
* @return {string} The text to display in this entry.
*/
getText() {
return this.text;
}
/**
* @return {string} The text to insert into the input box. Most of the time
* this is the same as getText().
*/
getFillText() {
return this.text;
}
/**
* @return {ReactClass} Raw JSX
*/
getImageJsx() {
return null;
}
/**
* @return {?string} The unique key= prop for React dedupe
*/
getKey() {
return null;
}
/**
* @return {?string} The suffix to append to the tab-complete, or null to
* not do this.
*/
getSuffix(isFirstWord) {
return null;
}
/**
* Called when this entry is clicked.
*/
onClick() {
// NOP
}
}
class CommandEntry extends Entry {
constructor(cmd, cmdWithArgs) {
super(cmdWithArgs);
this.kind = 'command';
this.cmd = cmd;
}
getFillText() {
return this.cmd;
}
getKey() {
return this.getFillText();
}
getSuffix(isFirstWord) {
return " "; // force a space after the command.
}
}
CommandEntry.fromCommands = function(commandArray) {
return commandArray.map(function(cmd) {
return new CommandEntry(cmd.getCommand(), cmd.getCommandWithArgs());
});
};
class MemberEntry extends Entry {
constructor(member) {
super((member.name || member.userId).replace(' (IRC)', ''));
this.member = member;
this.kind = 'member';
}
getImageJsx() {
var MemberAvatar = sdk.getComponent("views.avatars.MemberAvatar");
return (
<MemberAvatar member={this.member} width={24} height={24} />
);
}
getKey() {
return this.member.userId;
}
getSuffix(isFirstWord) {
return isFirstWord ? ": " : " ";
}
}
MemberEntry.fromMemberList = function(members) {
return members.map(function(m) {
return new MemberEntry(m);
});
};
module.exports.Entry = Entry;
module.exports.MemberEntry = MemberEntry;
module.exports.CommandEntry = CommandEntry;

48
src/components/views/rooms/TabCompleteBar.js
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/*
Copyright 2015, 2016 OpenMarket Ltd
Licensed 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.
*/
'use strict';
var React = require('react');
var MatrixClientPeg = require("../../../MatrixClientPeg");
var CommandEntry = require("../../../TabCompleteEntries").CommandEntry;
module.exports = React.createClass({
displayName: 'TabCompleteBar',
propTypes: {
tabComplete: React.PropTypes.object.isRequired
},
render: function() {
return (
<div className="mx_TabCompleteBar">
{this.props.tabComplete.peek(6).map((entry, i) => {
return (
<div key={entry.getKey() || i + ""}
className={ "mx_TabCompleteBar_item " + (entry instanceof CommandEntry ? "mx_TabCompleteBar_command" : "") }
onClick={this.props.tabComplete.onEntryClick.bind(this.props.tabComplete, entry)} >
{entry.getImageJsx()}
<span className="mx_TabCompleteBar_text">
{entry.getText()}
</span>
</div>
);
})}
</div>
);
}
});