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52 lines
1.7 KiB
JavaScript
52 lines
1.7 KiB
JavaScript
3 years ago
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/**
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* @class Ext.ux.FieldReplicator
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* <p>A plugin for Field Components which creates clones of the Field for as
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* long as the user keeps filling them. Leaving the final one blank ends the repeating series.</p>
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* <p>Usage:</p>
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* <pre><code>
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{
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xtype: 'combo',
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plugins: [ Ext.ux.FieldReplicator ],
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triggerAction: 'all',
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fieldLabel: 'Select recipient',
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store: recipientStore
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}
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* </code></pre>
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*/
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Ext.define('Ext.ux.FieldReplicator', {
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singleton: true,
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init: function(field) {
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// Assign the field an id grouping it with fields cloned from it. If it already
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// has an id that means it is itself a clone.
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if (!field.replicatorId) {
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field.replicatorId = Ext.id();
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}
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field.on('blur', this.onBlur, this);
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},
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onBlur: function(field) {
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var ownerCt = field.ownerCt,
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replicatorId = field.replicatorId,
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isEmpty = Ext.isEmpty(field.getRawValue()),
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siblings = ownerCt.query('[replicatorId=' + replicatorId + ']'),
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isLastInGroup = siblings[siblings.length - 1] === field,
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clone, idx;
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// If a field before the final one was blanked out, remove it
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if (isEmpty && !isLastInGroup) {
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Ext.Function.defer(field.destroy, 10, field); //delay to allow tab key to move focus first
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}
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// If the field is the last in the list and has a value, add a cloned field after it
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else if(!isEmpty && isLastInGroup) {
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if (field.onReplicate) {
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field.onReplicate();
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}
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clone = field.cloneConfig({replicatorId: replicatorId});
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idx = ownerCt.items.indexOf(field);
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ownerCt.add(idx + 1, clone);
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}
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}
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});
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