Move and merge RoomTile and MemberTile. Extract DND stuff.

DND stuff lives in Vector. RoomTile on its own is UNTESTED and will probably
break since we don't conditionally check for onDragXXX function props.

src/components/views/rooms/RoomTile.js

@@ -0,0 +1,142 @@
+/*
+Copyright 2015 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 classNames = require('classnames');
+var dis = require("../../../dispatcher");
+var MatrixClientPeg = require('../../../MatrixClientPeg');
+var sdk = require('../../../index');
+
+module.exports = React.createClass({
+    displayName: 'RoomTile',
+
+    propTypes: {
+        // TODO: We should *optionally* support DND stuff and ideally be impl agnostic about it
+        connectDragSource: React.PropTypes.func.isRequired,
+        connectDropTarget: React.PropTypes.func.isRequired,
+        isDragging: React.PropTypes.bool.isRequired,
+
+        room: React.PropTypes.object.isRequired,
+        collapsed: React.PropTypes.bool.isRequired,
+        selected: React.PropTypes.bool.isRequired,
+        unread: React.PropTypes.bool.isRequired,
+        highlight: React.PropTypes.bool.isRequired,
+        isInvite: React.PropTypes.bool.isRequired,
+        roomSubList: React.PropTypes.object.isRequired,
+    },
+
+    getInitialState: function() {
+        return( { hover : false });
+    },
+
+    onClick: function() {
+        dis.dispatch({
+            action: 'view_room',
+            room_id: this.props.room.roomId
+        });
+    },
+
+    onMouseEnter: function() {
+        this.setState( { hover : true });
+    },
+
+    onMouseLeave: function() {
+        this.setState( { hover : false });
+    },
+
+    render: function() {
+        // if (this.props.clientOffset) {
+        //     //console.log("room " + this.props.room.roomId + " has dropTarget clientOffset " + this.props.clientOffset.x + "," + this.props.clientOffset.y);
+        // }
+
+/*
+        if (this.props.room._dragging) {
+            var RoomDropTarget = sdk.getComponent("molecules.RoomDropTarget");
+            return <RoomDropTarget placeholder={true}/>;
+        }
+*/        
+
+        var myUserId = MatrixClientPeg.get().credentials.userId;
+        var me = this.props.room.currentState.members[myUserId];
+        var classes = classNames({
+            'mx_RoomTile': true,
+            'mx_RoomTile_selected': this.props.selected,
+            'mx_RoomTile_unread': this.props.unread,
+            'mx_RoomTile_highlight': this.props.highlight,
+            'mx_RoomTile_invited': (me && me.membership == 'invite'),
+        });
+
+        var name;
+        if (this.props.isInvite) {
+            name = this.props.room.getMember(myUserId).events.member.getSender();
+        }
+        else {
+            // XXX: We should never display raw room IDs, but sometimes the room name js sdk gives is undefined
+            name = this.props.room.name || this.props.room.roomId;
+        }
+
+        name = name.replace(":", ":\u200b"); // add a zero-width space to allow linewrapping after the colon
+        var badge;
+        if (this.props.highlight) {
+            badge = <div className="mx_RoomTile_badge"/>;
+        }
+        /*
+        if (this.props.highlight) {
+            badge = <div className="mx_RoomTile_badge">!</div>;
+        }
+        else if (this.props.unread) {
+            badge = <div className="mx_RoomTile_badge">1</div>;
+        }
+        var nameCell;
+        if (badge) {
+            nameCell = <div className="mx_RoomTile_nameBadge"><div className="mx_RoomTile_name">{name}</div><div className="mx_RoomTile_badgeCell">{badge}</div></div>;
+        }
+        else {
+            nameCell = <div className="mx_RoomTile_name">{name}</div>;
+        }
+        */
+
+        var label;
+        if (!this.props.collapsed) {
+            var className = 'mx_RoomTile_name' + (this.props.isInvite ? ' mx_RoomTile_invite' : '');
+            label = <div className={ className }>{name}</div>;
+        }
+        else if (this.state.hover) {
+            var RoomTooltip = sdk.getComponent("molecules.RoomTooltip");
+            label = <RoomTooltip room={this.props.room}/>;
+        }
+
+        var RoomAvatar = sdk.getComponent('avatars.RoomAvatar');
+
+        // These props are injected by React DnD,
+        // as defined by your `collect` function above:
+        var isDragging = this.props.isDragging;
+        var connectDragSource = this.props.connectDragSource;
+        var connectDropTarget = this.props.connectDropTarget;
+
+        return connectDragSource(connectDropTarget(
+            <div className={classes} onClick={this.onClick} onMouseEnter={this.onMouseEnter} onMouseLeave={this.onMouseLeave}>
+                <div className="mx_RoomTile_avatar">
+                    <RoomAvatar room={this.props.room} width="24" height="24" />
+                    { badge }
+                </div>
+                { label }
+            </div>
+        ));
+    }
+});