From 0e12e384cb01b11bd5d3a340f1432774187fd88b Mon Sep 17 00:00:00 2001
From: Luke Barnard <lukeb@openmarket.com>
Date: Thu, 13 Jul 2017 10:16:42 +0100
Subject: [PATCH] Remove TabComplete-related files

---
 src/TabComplete.js                           | 391 -------------------
 src/TabCompleteEntries.js                    | 125 ------
 src/components/views/rooms/TabCompleteBar.js |  48 ---
 3 files changed, 564 deletions(-)
 delete mode 100644 src/TabComplete.js
 delete mode 100644 src/TabCompleteEntries.js
 delete mode 100644 src/components/views/rooms/TabCompleteBar.js

diff --git a/src/TabComplete.js b/src/TabComplete.js
deleted file mode 100644
index 59ecc2ae20..0000000000
--- a/src/TabComplete.js
+++ /dev/null
@@ -1,391 +0,0 @@
-/*
-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;
diff --git a/src/TabCompleteEntries.js b/src/TabCompleteEntries.js
deleted file mode 100644
index e6adec0d7d..0000000000
--- a/src/TabCompleteEntries.js
+++ /dev/null
@@ -1,125 +0,0 @@
-/*
-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;
diff --git a/src/components/views/rooms/TabCompleteBar.js b/src/components/views/rooms/TabCompleteBar.js
deleted file mode 100644
index d00c0953f1..0000000000
--- a/src/components/views/rooms/TabCompleteBar.js
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
-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>
-        );
-    }
-});