openethereum/js/packages/dapp-console/Snippets/snippets.js

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// Copyright 2015-2017 Parity Technologies (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
import keycode from 'keycode';
import { observer } from 'mobx-react';
import React, { Component } from 'react';
import CodeMirror from 'react-codemirror';
import EventListener from 'react-event-listener';
import Console from '../Console';
import SnippetsStore from './snippets.store';
import styles from './snippets.css';
@observer
export default class Snippets extends Component {
snippetsStore = SnippetsStore.get();
render () {
const { code } = this.snippetsStore;
return (
<div className={ styles.container }>
<EventListener
onKeyDown={ this.handleKeyDown }
target='window'
/>
<div className={ styles.panel }>
<div
className={ styles.add }
onClick={ this.handleAddFile }
>
<span className={ styles.plus }>+</span>
<span>New Snippet</span>
</div>
<div className={ styles.list }>
{ this.renderFiles() }
</div>
</div>
<div className={ styles.code }>
<CodeMirror
ref={ this.setRef }
onChange={ this.handleChange }
options={ {
autofocus: true,
extraKeys: {
'Ctrl-Space': 'autocomplete'
},
keyMap: 'sublime',
highlightSelectionMatches: {
delay: 0,
showToken: false
},
lineNumbers: true,
mode: 'javascript'
} }
value={ code }
/>
<div className={ styles.console }>
<Console />
</div>
</div>
</div>
);
}
renderFiles () {
const { files } = this.snippetsStore;
return files
.values()
.sort((fa, fb) => fa.name.localeCompare(fb.name))
.map((file) => this.renderFile(file));
}
renderFile (file) {
const { nextName, renaming, selected } = this.snippetsStore;
const { id, name } = file;
const classes = [ styles.file ];
if (renaming === id) {
return (
<div
className={ classes.join(' ') }
key={ id }
>
<EventListener
onClick={ this.handleSaveName }
target='window'
/>
<div className={ styles.inputContainer }>
<input
autoFocus
className={ styles.input }
onClick={ this.stopPropagation }
onChange={ this.handleNameChange }
onKeyDown={ this.handleRenameKeyDown }
type='text'
value={ nextName }
/>
</div>
</div>
);
}
const onClick = () => this.handleSelectFile(id);
const onDoubleClick = () => this.handleRenameFile(id);
const onRemove = (event) => this.handleRemove(id, event);
if (selected === id) {
classes.push(styles.selected);
}
return (
<div
className={ classes.join(' ') }
key={ id }
onClick={ onClick }
onDoubleClick={ onDoubleClick }
>
<span
className={ styles.remove }
onClick={ onRemove }
title={ `Remove ${name}` }
>
</span>
<span className={ styles.pristine }>
{
file.isPristine
? null
: '*'
}
</span>
<span>
{ name }
</span>
</div>
);
}
handleAddFile = () => {
this.snippetsStore.create();
};
handleSaveName = (event) => {
this.snippetsStore.saveName();
return event;
};
handleChange = (value) => {
this.snippetsStore.edit(value);
};
handleKeyDown = (event) => {
const codeName = keycode(event);
if (codeName === 's' && event.ctrlKey) {
event.preventDefault();
event.stopPropagation();
return this.snippetsStore.save();
}
};
handleNameChange = (event) => {
const { value } = event.target;
this.snippetsStore.updateName(value);
};
handleRemove = (id, event) => {
this.snippetsStore.remove(id);
event.stopPropagation();
};
handleRenameFile = (id) => {
this.snippetsStore.startRename(id);
};
handleRenameKeyDown = (event) => {
const codeName = keycode(event);
if (codeName === 'enter') {
return this.snippetsStore.saveName();
}
if (codeName === 'esc') {
return this.snippetsStore.cancelRename();
}
};
handleSelectFile = (id) => {
this.snippetsStore.select(id);
};
setRef = (node) => {
const codeMirror = node
? node.getCodeMirror()
: null;
this.snippetsStore.setCodeMirror(codeMirror);
};
stopPropagation = (event) => {
event.stopPropagation();
};
}