1 | import * as util from '../util';
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2 | import * as is from '../is';
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3 |
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4 | let corefn = ({
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5 |
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6 | layout: function( options ){
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7 | let cy = this;
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8 |
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9 | if( options == null ){
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10 | util.error( 'Layout options must be specified to make a layout' );
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11 | return;
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12 | }
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13 |
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14 | if( options.name == null ){
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15 | util.error( 'A `name` must be specified to make a layout' );
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16 | return;
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17 | }
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18 |
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19 | let name = options.name;
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20 | let Layout = cy.extension( 'layout', name );
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21 |
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22 | if( Layout == null ){
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23 | util.error( 'No such layout `' + name + '` found. Did you forget to import it and `cytoscape.use()` it?' );
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24 | return;
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25 | }
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26 |
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27 | let eles;
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28 | if( is.string( options.eles ) ){
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29 | eles = cy.$( options.eles );
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30 | } else {
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31 | eles = options.eles != null ? options.eles : cy.$();
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32 | }
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33 |
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34 | let layout = new Layout( util.extend( {}, options, {
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35 | cy: cy,
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36 | eles: eles
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37 | } ) );
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38 |
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39 | return layout;
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40 | }
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41 |
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42 | });
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43 |
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44 | corefn.createLayout = corefn.makeLayout = corefn.layout;
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45 |
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46 | export default corefn;
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