Files
piratepoet/assets/js/src/form/fields/selection.jsx
2016-04-12 14:04:01 +03:00

165 lines
4.3 KiB
JavaScript

define([
'react',
'react-dom',
'jquery',
'select2'
],
function(
React,
ReactDOM,
jQuery
) {
var Selection = React.createClass({
getInitialState: function() {
return {
items: [],
initialized: false
};
},
componentWillMount: function() {
this.loadCachedItems();
},
componentDidMount: function() {
this.setupSelect2();
},
componentDidUpdate: function(prevProps, prevState) {
if(
(this.props.item !== undefined && prevProps.item !== undefined)
&& (this.props.item.id !== prevProps.item.id)
) {
jQuery('#'+this.refs.select.id)
.val(this.getSelectedValues())
.trigger('change');
}
},
componentWillUnmount: function() {
jQuery('#'+this.refs.select.id).select2('destroy');
},
setupSelect2: function() {
if(
!this.props.field.multiple
|| this.state.initialized === true
|| this.refs.select === undefined
) {
return;
}
var select2 = jQuery('#'+this.refs.select.id).select2({
width: (this.props.width || ''),
templateResult: function(item) {
if(item.element && item.element.selected) {
return null;
} else {
if(item.title) {
return item.title;
} else {
return item.text;
}
}
}
});
var hasRemoved = false;
select2.on('select2:unselecting', function(e) {
hasRemoved = true;
});
select2.on('select2:opening', function(e) {
if(hasRemoved === true) {
hasRemoved = false;
e.preventDefault();
}
});
select2.on('change', this.handleChange);
this.setState({ initialized: true });
},
getSelectedValues: function() {
if(this.props.field['selected'] !== undefined) {
return this.props.field['selected'](this.props.item);
} else if(this.props.item !== undefined && this.props.field.name !== undefined) {
return this.props.item[this.props.field.name];
} else {
return null;
}
},
loadCachedItems: function() {
if(typeof(window['mailpoet_'+this.props.field.endpoint]) !== 'undefined') {
var items = window['mailpoet_'+this.props.field.endpoint];
if(this.props.field['filter'] !== undefined) {
items = items.filter(this.props.field.filter);
}
this.setState({
items: items
});
}
},
handleChange: function(e) {
if(this.props.onValueChange !== undefined) {
if(this.props.field.multiple) {
value = jQuery('#'+this.refs.select.id).val();
} else {
value = e.target.value;
}
this.props.onValueChange({
target: {
value: value,
name: this.props.field.name
}
});
}
},
getLabel: function(item) {
if(this.props.field['getLabel'] !== undefined) {
return this.props.field.getLabel(item, this.props.item);
}
return item.name;
},
getSearchLabel: function(item) {
if(this.props.field['getSearchLabel'] !== undefined) {
return this.props.field.getSearchLabel(item, this.props.item);
}
return null;
},
getValue: function(item) {
if(this.props.field['getValue'] !== undefined) {
return this.props.field.getValue(item, this.props.item);
}
return item.id;
},
render: function() {
const options = this.state.items.map((item, index) => {
let label = this.getLabel(item);
let searchLabel = this.getSearchLabel(item);
let value = this.getValue(item);
return (
<option
key={ 'option-'+index }
value={ value }
title={ searchLabel }
>
{ label }
</option>
);
});
return (
<select
id={ this.props.field.id || this.props.field.name }
ref="select"
data-placeholder={ this.props.field.placeholder }
multiple={ this.props.field.multiple }
defaultValue={ this.getSelectedValues() }
{...this.props.field.validation}
>{ options }</select>
);
}
});
return Selection;
});