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zoom.ts ➔ createZoom   A

↳ Parent: src/zoom/zoom.ts

Complexity

Conditions 1

Size

Total Lines 13
Code Lines 10

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
eloc 10
dl 0
loc 13
rs 9.9
c 0
b 0
f 0
cc 1
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import { DependencyNode, NodeSelection } from '../components/types';
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import { ElementIds, MAXIMUM_ZOOM_SCALE, MINIMUM_ZOOM_SCALE } from '../utils/AppConsts';
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import { zoom } from 'd3-zoom';
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import { event } from 'd3-selection';
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import { selectById } from '../utils/helpers/Selectors';
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import { ZoomScaleStorage } from '../utils/helpers/UserEventHelpers';
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export const changeZoom = (zoomSelector: ElementIds.OVERVIEW_ZOOM | ElementIds.DETAILS_ZOOM) => () => {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    const { transform } = event;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    const zoomLayer = selectById(zoomSelector);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    zoomLayer.attr('transform', transform);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    ZoomScaleStorage.setScale(transform.k);

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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};

            


            
                                                        
            
                                    
            
            

                
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export function createZoom(svgContainer: NodeSelection<SVGSVGElement>, selector: ElementIds.OVERVIEW_ZOOM | ElementIds.DETAILS_ZOOM) {

            


            
                                                        
            
                                    
            
            

                
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    const zoomLayer = svgContainer.append('g').attr('id', selector);

            


            
                                                        
            
                                    
            
            

                
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    svgContainer

            


            
                                                        
            
                                    
            
            

                
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        .call(

            


            
                                                        
            
                                    
            
            

                
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            zoom<SVGSVGElement, DependencyNode>()

            


            
                                                        
            
                                    
            
            

                
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                .scaleExtent([MINIMUM_ZOOM_SCALE, MAXIMUM_ZOOM_SCALE])

            


            
                                                        
            
                                    
            
            

                
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                .on(`zoom`, changeZoom(selector))

            


            
                                                        
            
                                    
            
            

                
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        )

            


            
                                                        
            
                                    
            
            

                
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        .on('dblclick.zoom', null);

            


            
                                                        
            
                                    
            
            

                
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    return zoomLayer;

            


            
                                                        
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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