From 8243c39d830bfc6366fbe68b2856ea2c2277c29b Mon Sep 17 00:00:00 2001
From: Luke Barnard <lukeb@openmarket.com>
Date: Wed, 4 Oct 2017 10:00:01 +0100
Subject: [PATCH] Factor out EditableItemList from AliasSettings

Such that we can reuse the same UI elsewhere, namely when editing related groups of a room (which is an upcoming feature).
---
 .../views/elements/EditableItemList.js        | 162 ++++++++++++++++++
 .../views/room_settings/AliasSettings.js      | 116 +++++--------
 2 files changed, 204 insertions(+), 74 deletions(-)
 create mode 100644 src/components/views/elements/EditableItemList.js

diff --git a/src/components/views/elements/EditableItemList.js b/src/components/views/elements/EditableItemList.js
new file mode 100644
index 0000000000..1d269f26e2
--- /dev/null
+++ b/src/components/views/elements/EditableItemList.js
@@ -0,0 +1,162 @@
+/*
+Copyright 2017 New Vector 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 React from 'react';
+import PropTypes from 'prop-types';
+import sdk from '../../../index';
+import {_t} from '../../../languageHandler.js';
+
+const EditableItem = React.createClass({
+    displayName: 'EditableItem',
+
+    propTypes: {
+        initialValue: PropTypes.string,
+        index: PropTypes.number,
+        placeholder: PropTypes.string,
+
+        onChange: PropTypes.func,
+        onRemove: PropTypes.func,
+        onAdd: PropTypes.func,
+    },
+
+    onChange: function(value) {
+        this.setState({ value });
+        if (this.props.onChange) this.props.onChange(value, this.props.index);
+    },
+
+    onRemove: function() {
+        this.props.onRemove(this.props.index);
+    },
+
+    onAdd: function() {
+        this.props.onAdd(this.state.value);
+    },
+
+    render: function() {
+        const EditableText = sdk.getComponent('elements.EditableText');
+        return <div className="mx_EditableItem">
+            <EditableText
+                className="mx_EditableItem_editable"
+                placeholderClassName="mx_EditableItem_editablePlaceholder"
+                placeholder={this.props.placeholder}
+                blurToCancel={false}
+                editable={true}
+                initialValue={this.props.initialValue}
+                onValueChanged={this.onChange} />
+            { this.props.onAdd ?
+                <div className="mx_EditableItem_addButton">
+                    <img className="mx_filterFlipColor"
+                        src="img/plus.svg" width="14" height="14"
+                        alt={_t("Add")} onClick={this.onAdd} />
+                </div>
+                :
+                <div className="mx_EditableItem_removeButton">
+                    <img className="mx_filterFlipColor"
+                        src="img/cancel-small.svg" width="14" height="14"
+                        alt={_t("Delete")} onClick={this.onRemove} />
+                </div>
+            }
+        </div>;
+    },
+});
+
+module.exports = React.createClass({
+    displayName: 'EditableItemList',
+
+    propTypes: {
+        items: PropTypes.arrayOf(PropTypes.string).isRequired,
+        onNewItemChanged: PropTypes.func,
+        onItemAdded: PropTypes.func,
+        onItemEdited: PropTypes.func,
+        onItemRemoved: PropTypes. func,
+    },
+
+    getDefaultProps: function() {
+        return {
+            onItemAdded: () => {},
+            onItemEdited: () => {},
+            onItemRemoved: () => {},
+        };
+    },
+
+    getInitialState: function() {
+        return {};
+    },
+
+    componentWillReceiveProps: function(nextProps) {
+    },
+
+    componentWillMount: function() {
+    },
+
+    componentDidMount: function() {
+    },
+
+    onItemAdded: function(value) {
+        console.info('onItemAdded', value);
+        this.props.onItemAdded(value);
+    },
+
+    onItemEdited: function(value, index) {
+        console.info('onItemEdited', value, index);
+        if (value.length === 0) {
+            this.onItemRemoved(index);
+        } else {
+            this.onItemEdited(value, index);
+        }
+    },
+
+    onItemRemoved: function(index) {
+        console.info('onItemRemoved', index);
+        this.props.onItemRemoved(index);
+    },
+
+    onNewItemChanged: function(value) {
+        this.props.onNewItemChanged(value);
+    },
+
+    render: function() {
+        const editableItems = this.props.items.map((item, index) => {
+            return <EditableItem
+                key={index}
+                index={index}
+                initialValue={item}
+                onChange={this.onItemEdited}
+                onRemove={this.onItemRemoved}
+                placeholder={this.props.placeholder}
+            />;
+        });
+
+        const label = this.props.items.length > 0 ?
+            this.props.itemsLabel : this.props.noItemsLabel;
+
+        console.info('New item:', this.props.newItem);
+
+        return (<div className="mx_EditableItemList">
+            <div className="mx_EditableItemList_label">
+                { label }
+            </div>
+            { editableItems }
+            <EditableItem
+                key={-1}
+                initialValue={this.props.newItem}
+                onAdd={this.onItemAdded}
+                onChange={this.onNewItemChanged}
+                placeholder={this.props.placeholder}
+            />
+        </div>);
+    },
+});
diff --git a/src/components/views/room_settings/AliasSettings.js b/src/components/views/room_settings/AliasSettings.js
index f37bd4271a..8a6abec35d 100644
--- a/src/components/views/room_settings/AliasSettings.js
+++ b/src/components/views/room_settings/AliasSettings.js
@@ -136,24 +136,25 @@ module.exports = React.createClass({
         return ObjectUtils.getKeyValueArrayDiffs(oldAliases, this.state.domainToAliases);
     },
 
-    onAliasAdded: function(alias) {
+    onNewAliasChanged: function(value) {
+        this.setState({newAlias: value});
+    },
+
+    onLocalAliasAdded: function(alias) {
         if (!alias || alias.length === 0) return; // ignore attempts to create blank aliases
 
-        if (this.isAliasValid(alias)) {
-            // add this alias to the domain to aliases dict
-            var domain = alias.replace(/^.*?:/, '');
-            // XXX: do we need to deep copy aliases before editing it?
-            this.state.domainToAliases[domain] = this.state.domainToAliases[domain] || [];
-            this.state.domainToAliases[domain].push(alias);
-            this.setState({
-                domainToAliases: this.state.domainToAliases
-            });
+        const localDomain = MatrixClientPeg.get().getDomain();
+        if (this.isAliasValid(alias) && alias.endsWith(localDomain)) {
+            this.state.domainToAliases[localDomain] = this.state.domainToAliases[localDomain] || [];
+            this.state.domainToAliases[localDomain].push(alias);
 
-            // reset the add field
-            this.refs.add_alias.setValue(''); // FIXME
-        }
-        else {
-            var ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
+            this.setState({
+                domainToAliases: this.state.domainToAliases,
+                // Reset the add field
+                newAlias: "",
+            });
+        } else {
+            const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
             Modal.createTrackedDialog('Invalid alias format', '', ErrorDialog, {
                 title: _t('Invalid alias format'),
                 description: _t('\'%(alias)s\' is not a valid format for an alias', { alias: alias }),
@@ -161,15 +162,13 @@ module.exports = React.createClass({
         }
     },
 
-    onAliasChanged: function(domain, index, alias) {
+    onLocalAliasChanged: function(alias, index) {
         if (alias === "") return; // hit the delete button to delete please
-        var oldAlias;
-        if (this.isAliasValid(alias)) {
-            oldAlias = this.state.domainToAliases[domain][index];
-            this.state.domainToAliases[domain][index] = alias;
-        }
-        else {
-            var ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
+        const localDomain = MatrixClientPeg.get().getDomain();
+        if (this.isAliasValid(alias) && alias.endsWith(localDomain)) {
+            this.state.domainToAliases[localDomain][index] = alias;
+        } else {
+            const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
             Modal.createTrackedDialog('Invalid address format', '', ErrorDialog, {
                 title: _t('Invalid address format'),
                 description: _t('\'%(alias)s\' is not a valid format for an address', { alias: alias }),
@@ -177,15 +176,16 @@ module.exports = React.createClass({
         }
     },
 
-    onAliasDeleted: function(domain, index) {
+    onLocalAliasDeleted: function(index) {
+        const localDomain = MatrixClientPeg.get().getDomain();
         // It's a bit naughty to directly manipulate this.state, and React would
         // normally whine at you, but it can't see us doing the splice.  Given we
         // promptly setState anyway, it's just about acceptable.  The alternative
         // would be to arbitrarily deepcopy to a temp variable and then setState
         // that, but why bother when we can cut this corner.
-        var alias = this.state.domainToAliases[domain].splice(index, 1);
+        this.state.domainToAliases[localDomain].splice(index, 1);
         this.setState({
-            domainToAliases: this.state.domainToAliases
+            domainToAliases: this.state.domainToAliases,
         });
     },
 
@@ -198,6 +198,7 @@ module.exports = React.createClass({
     render: function() {
         var self = this;
         var EditableText = sdk.getComponent("elements.EditableText");
+        var EditableItemList = sdk.getComponent("elements.EditableItemList");
         var localDomain = MatrixClientPeg.get().getDomain();
 
         var canonical_alias_section;
@@ -257,58 +258,25 @@ module.exports = React.createClass({
                 <div className="mx_RoomSettings_aliasLabel">
                     { _t('The main address for this room is') }: { canonical_alias_section }
                 </div>
-                <div className="mx_RoomSettings_aliasLabel">
-                    { (this.state.domainToAliases[localDomain] &&
-                        this.state.domainToAliases[localDomain].length > 0)
-                      ? _t('Local addresses for this room:')
-                      : _t('This room has no local addresses') }
-                </div>
-                <div className="mx_RoomSettings_aliasesTable">
-                    { (this.state.domainToAliases[localDomain] || []).map((alias, i) => {
-                        var deleteButton;
-                        if (this.props.canSetAliases) {
-                            deleteButton = (
-                                <img src="img/cancel-small.svg" width="14" height="14"
-                                    alt={ _t('Delete') } onClick={ self.onAliasDeleted.bind(self, localDomain, i) } />
-                            );
-                        }
-                        return (
-                            <div className="mx_RoomSettings_aliasesTableRow" key={ i }>
-                                <EditableText
-                                    className="mx_RoomSettings_alias mx_RoomSettings_editable"
-                                    placeholderClassName="mx_RoomSettings_aliasPlaceholder"
-                                    placeholder={ _t('New address (e.g. #foo:%(localDomain)s)', { localDomain: localDomain}) }
-                                    blurToCancel={ false }
-                                    onValueChanged={ self.onAliasChanged.bind(self, localDomain, i) }
-                                    editable={ self.props.canSetAliases }
-                                    initialValue={ alias } />
-                                <div className="mx_RoomSettings_deleteAlias mx_filterFlipColor">
-                                     { deleteButton }
-                                </div>
-                            </div>
-                        );
-                    })}
 
-                    { this.props.canSetAliases ?
-                        <div className="mx_RoomSettings_aliasesTableRow" key="new">
-                            <EditableText
-                                ref="add_alias"
-                                className="mx_RoomSettings_alias mx_RoomSettings_editable"
-                                placeholderClassName="mx_RoomSettings_aliasPlaceholder"
-                                placeholder={ _t('New address (e.g. #foo:%(localDomain)s)', { localDomain: localDomain}) }
-                                blurToCancel={ false }
-                                onValueChanged={ self.onAliasAdded } />
-                            <div className="mx_RoomSettings_addAlias mx_filterFlipColor">
-                                 <img src="img/plus.svg" width="14" height="14" alt="Add"
-                                      onClick={ self.onAliasAdded.bind(self, undefined) }/>
-                            </div>
-                        </div> : ""
-                    }
-                </div>
+                <EditableItemList
+                    className={"mx_RoomSettings_localAliases"}
+                    items={this.state.domainToAliases[localDomain] || []}
+                    newItem={this.state.newAlias}
+                    onNewItemChanged={onNewAliasChanged}
+                    onItemAdded={this.onLocalAliasAdded}
+                    onItemEdited={this.onLocalAliasChanged}
+                    onItemRemoved={this.onLocalAliasDeleted}
+                    itemsLabel={_t('Local addresses for this room:')}
+                    noItemsLabel={_t('This room has no local addresses')}
+                    placeholder={_t(
+                        'New address (e.g. #foo:%(localDomain)s)', {localDomain: localDomain},
+                    )}
+                />
 
                 { remote_aliases_section }
 
             </div>
         );
-    }
+    },
 });