From 06e0919bca7ee4280c6eed58838ca2be10e7b4fb Mon Sep 17 00:00:00 2001 From: hmhealey Date: Tue, 1 Dec 2015 15:24:53 -0500 Subject: Moved autocomplete components into web/react/components/suggestion --- .../components/suggestion/suggestion_list.jsx | 130 +++++++++++++++++++++ 1 file changed, 130 insertions(+) create mode 100644 web/react/components/suggestion/suggestion_list.jsx (limited to 'web/react/components/suggestion/suggestion_list.jsx') diff --git a/web/react/components/suggestion/suggestion_list.jsx b/web/react/components/suggestion/suggestion_list.jsx new file mode 100644 index 000000000..cd75f36c5 --- /dev/null +++ b/web/react/components/suggestion/suggestion_list.jsx @@ -0,0 +1,130 @@ +// Copyright (c) 2015 Mattermost, Inc. All Rights Reserved. +// See License.txt for license information. + +import AppDispatcher from '../../dispatcher/app_dispatcher.jsx'; +import Constants from '../../utils/constants.jsx'; +import SuggestionStore from '../../stores/suggestion_store.jsx'; + +export default class SuggestionList extends React.Component { + constructor(props) { + super(props); + + this.getContent = this.getContent.bind(this); + + this.handleItemClick = this.handleItemClick.bind(this); + this.handleSuggestionsChanged = this.handleSuggestionsChanged.bind(this); + + this.scrollToItem = this.scrollToItem.bind(this); + + this.state = { + items: [], + terms: [], + components: [], + selection: '' + }; + } + + componentDidMount() { + SuggestionStore.addSuggestionsChangedListener(this.props.suggestionId, this.handleSuggestionsChanged); + } + + componentWillUnmount() { + SuggestionStore.removeSuggestionsChangedListener(this.props.suggestionId, this.handleSuggestionsChanged); + } + + getContent() { + return $(ReactDOM.findDOMNode(this.refs.content)); + } + + handleItemClick(term, e) { + AppDispatcher.handleViewAction({ + type: Constants.ActionTypes.SUGGESTION_COMPLETE_WORD, + id: this.props.suggestionId, + term + }); + + e.preventDefault(); + } + + handleSuggestionsChanged() { + const selection = SuggestionStore.getSelection(this.props.suggestionId); + + this.setState({ + items: SuggestionStore.getItems(this.props.suggestionId), + terms: SuggestionStore.getTerms(this.props.suggestionId), + components: SuggestionStore.getComponents(this.props.suggestionId), + selection + }); + + if (selection) { + window.requestAnimationFrame(() => this.scrollToItem(this.state.selection)); + } + } + + scrollToItem(term) { + const content = this.getContent(); + const visibleContentHeight = content[0].clientHeight; + const actualContentHeight = content[0].scrollHeight; + + if (visibleContentHeight < actualContentHeight) { + const contentTop = content.scrollTop(); + const contentTopPadding = parseInt(content.css('padding-top'), 10); + const contentBottomPadding = parseInt(content.css('padding-top'), 10); + + const item = $(ReactDOM.findDOMNode(this.refs[term])); + const itemTop = item[0].offsetTop - parseInt(item.css('margin-top'), 10); + const itemBottomMargin = parseInt(item.css('margin-bottom'), 10) + parseInt(item.css('padding-bottom'), 10); + const itemBottom = item[0].offsetTop + item.height() + itemBottomMargin; + + if (itemTop - contentTopPadding < contentTop) { + // the item is off the top of the visible space + content.scrollTop(itemTop - contentTopPadding); + } else if (itemBottom + contentTopPadding + contentBottomPadding > contentTop + visibleContentHeight) { + // the item has gone off the bottom of the visible space + content.scrollTop(itemBottom - visibleContentHeight + contentTopPadding + contentBottomPadding); + } + } + } + + render() { + if (this.state.items.length === 0 || !this.props.show) { + return null; + } + + const items = []; + for (let i = 0; i < this.state.items.length; i++) { + const item = this.state.items[i]; + const term = this.state.terms[i]; + const isSelection = term === this.state.selection; + + // ReactComponent names need to be upper case when used in JSX + const Component = this.state.components[i]; + + items.push( + + ); + } + + return ( +
+
+ {items} +
+
+ ); + } +} + +SuggestionList.propTypes = { + suggestionId: React.PropTypes.string.isRequired, + show: React.PropTypes.bool.isRequired +}; -- cgit v1.2.3-1-g7c22