1 | const Util = require('./util');
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2 | const Interaction = require('./base');
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3 |
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4 | class Select extends Interaction {
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5 | getDefaultCfg() {
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6 | const defaultCfg = super.getDefaultCfg();
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7 | return Util.mix({}, defaultCfg, {
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8 | startEvent: 'mouseup',
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9 | processEvent: null,
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10 | selectStyle: {
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11 | fillOpacity: 1
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12 | },
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13 | unSelectStyle: {
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14 | fillOpacity: 0.1
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15 | },
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16 | cancelable: true
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17 | });
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18 | }
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19 |
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20 | start(ev) {
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21 | const self = this;
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22 | const chart = self.view;
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23 |
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24 | let selectedShape;
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25 | const unSelectedShapes = [];
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26 | chart.eachShape((obj, shape) => {
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27 | if (shape.isPointInPath(ev.x, ev.y)) {
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28 | selectedShape = shape;
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29 | } else {
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30 | unSelectedShapes.push(shape);
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31 | }
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32 | });
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33 |
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34 | if (!selectedShape) {
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35 | self.reset();
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36 | return;
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37 | }
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38 |
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39 | if (selectedShape.get('_selected')) {
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40 |
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41 | if (!self.cancelable) {
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42 |
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43 | return;
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44 | }
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45 | self.reset();
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46 | } else {
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47 |
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48 | const { selectStyle, unSelectStyle } = self;
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49 |
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50 | if (!selectedShape.get('_originAttrs')) {
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51 | const originAttrs = Object.assign({}, selectedShape.attr());
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52 | selectedShape.set('_originAttrs', originAttrs);
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53 | }
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54 |
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55 | selectedShape.attr(Object.assign({}, selectedShape.get('_originAttrs'), selectStyle));
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56 |
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57 | Util.each(unSelectedShapes, child => {
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58 | if (!child.get('_originAttrs')) {
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59 | const originAttrs = Object.assign({}, child.attr());
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60 | child.set('_originAttrs', originAttrs);
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61 | } else {
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62 | child.attr(child.get('_originAttrs'));
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63 | }
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64 | child.set('_selected', false);
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65 | unSelectStyle && child.attr(Object.assign({}, child.get('_originAttrs'), unSelectStyle));
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66 | });
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67 |
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68 | selectedShape.set('_selected', true);
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69 | self.selectedShape = selectedShape;
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70 | self.canvas.draw();
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71 | }
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72 | }
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73 |
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74 | end(ev) {
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75 | const selectedShape = this.selectedShape;
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76 | if (selectedShape && !selectedShape.get('destroyed') && selectedShape.get('origin')) {
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77 | ev.data = selectedShape.get('origin')._origin;
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78 | ev.shapeInfo = selectedShape.get('origin');
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79 | ev.shape = selectedShape;
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80 | ev.selected = !!selectedShape.get('_selected');
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81 | }
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82 | }
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83 |
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84 | reset() {
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85 | const self = this;
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86 | if (!self.selectedShape) {
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87 | return;
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88 | }
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89 | const chart = self.view;
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90 | const geom = chart.get('geoms')[0];
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91 | const container = geom.get('container').get('children')[0];
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92 | const children = container.get('children');
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93 |
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94 | Util.each(children, child => {
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95 | const originAttrs = child.get('_originAttrs');
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96 | if (originAttrs) {
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97 | child.__attrs = originAttrs;
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98 | child.set('_originAttrs', null);
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99 | }
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100 | child.set('_selected', false);
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101 | });
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102 | self.canvas.draw();
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103 | }
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104 | }
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105 |
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106 | module.exports = Select; |
\ | No newline at end of file |