|
| 1 | +/* @Flow */ |
| 2 | + |
| 3 | +import React from 'react'; |
| 4 | +import ReactNative from 'react-native-desktop'; |
| 5 | + |
| 6 | +const { |
| 7 | + View, |
| 8 | + PanResponder, |
| 9 | + TouchableWithoutFeedback |
| 10 | +} = ReactNative; |
| 11 | + |
| 12 | +var ReactART = require('ReactNativeART'); |
| 13 | + |
| 14 | +const { |
| 15 | + Shape, |
| 16 | + Group, |
| 17 | + Surface, |
| 18 | + Transform |
| 19 | +} = ReactART; |
| 20 | + |
| 21 | +const layout = require('Dimensions').get('window'); |
| 22 | + |
| 23 | +class ErasingShape extends React.Component { |
| 24 | + |
| 25 | + constructor() { |
| 26 | + super(); |
| 27 | + |
| 28 | + this.state = { |
| 29 | + svgPath: [], |
| 30 | + value: 0, |
| 31 | + letter: 'M', |
| 32 | + strokeWidth: 50 |
| 33 | + }; |
| 34 | + } |
| 35 | + |
| 36 | + componentWillMount() { |
| 37 | + this._panResponder = PanResponder.create({ |
| 38 | + // Ask to be the responder: |
| 39 | + onStartShouldSetPanResponder: (evt, gestureState) => true, |
| 40 | + onStartShouldSetPanResponderCapture: (evt, gestureState) => true, |
| 41 | + onMoveShouldSetPanResponder: (evt, gestureState) => true, |
| 42 | + onMoveShouldSetPanResponderCapture: (evt, gestureState) => true, |
| 43 | + |
| 44 | + onPanResponderGrant: (evt, gestureState) => { |
| 45 | + // The guesture has started. Show visual feedback so the user knows |
| 46 | + // what is happening! |
| 47 | + //var letter = this.state.svgPath.length > 0 ? 'L' : 'M'; |
| 48 | + this.state.svgPath.push(this.state.letter + Math.round(gestureState.x0) + ',' + Math.round(gestureState.y0)); |
| 49 | + this.setState({svgPath: this.state.svgPath, letter: 'L'}); |
| 50 | + // gestureState.{x,y}0 will be set to zero now |
| 51 | + }, |
| 52 | + onPanResponderMove: (evt, gestureState) => { |
| 53 | + // The most recent move distance is gestureState.move{X,Y} |
| 54 | + this.state.svgPath.push(this.state.letter + Math.round(gestureState.moveX) + ',' + Math.round(gestureState.moveY)); |
| 55 | + this.setState({svgPath: this.state.svgPath}); |
| 56 | + // if (evt.nativeEvent.force && evt.nativeEvent.force > 0) { |
| 57 | + // this.setState({strokeWidth: 50 + 50 * (evt.nativeEvent.force / evt.nativeEvent.maxForce) }) |
| 58 | + // } |
| 59 | + // The accumulated gesture distance since becoming responder is |
| 60 | + // gestureState.d{x,y} |
| 61 | + }, |
| 62 | + onPanResponderTerminationRequest: (evt, gestureState) => true, |
| 63 | + onPanResponderRelease: (evt, gestureState) => { |
| 64 | + this.setState({letter: 'M'}); |
| 65 | + // The user has released all touches while this view is the |
| 66 | + // responder. This typically means a gesture has succeeded |
| 67 | + }, |
| 68 | + onPanResponderTerminate: (evt, gestureState) => { |
| 69 | + // Another component has become the responder, so this gesture |
| 70 | + // should be cancelled |
| 71 | + }, |
| 72 | + onShouldBlockNativeResponder: (evt, gestureState) => { |
| 73 | + // Returns whether this component should block native components from becoming the JS |
| 74 | + // responder. Returns true by default. Is currently only supported on android. |
| 75 | + return true; |
| 76 | + }, |
| 77 | + }); |
| 78 | + } |
| 79 | + |
| 80 | + render() { |
| 81 | + var {width, height} = layout; |
| 82 | + return ( |
| 83 | + <View {...this._panResponder.panHandlers} |
| 84 | + style={[this.props.style, {flex: 1, top: 0, left: 0, height: 200, width: 300}]}> |
| 85 | + <Surface width={width} height={height} |
| 86 | + style={{backgroundColor: 'green', top: 0, left: 0, position: 'absolute'}}> |
| 87 | + <Shape d={this.state.svgPath.join('')} |
| 88 | + stroke="#88C76D" |
| 89 | + strokeWidth={this.state.strokeWidth} /> |
| 90 | + |
| 91 | + </Surface> |
| 92 | + </View> |
| 93 | + ); |
| 94 | + } |
| 95 | +} |
| 96 | + |
| 97 | +var MOUSE_UP_DRAG = 0.978; |
| 98 | +var MOUSE_DOWN_DRAG = 0.9; |
| 99 | +var MAX_VEL = 11; |
| 100 | +var CLICK_ACCEL = 3; |
| 101 | +var BASE_VEL = 0.15; |
| 102 | +/** |
| 103 | + * An animated SVG component. |
| 104 | + */ |
| 105 | +var VectorWidget = React.createClass({ |
| 106 | + /** |
| 107 | + * Initialize state members. |
| 108 | + */ |
| 109 | + getInitialState: function() { |
| 110 | + return {degrees: 0, velocity: 0, drag: MOUSE_UP_DRAG}; |
| 111 | + }, |
| 112 | + /** |
| 113 | + * When the component is mounted into the document - this is similar to a |
| 114 | + * constructor, but invoked when the instance is actually mounted into the |
| 115 | + * document. Here's, we'll just set up an animation loop that invokes our |
| 116 | + * method. Binding of `this.onTick` is not needed because all React methods |
| 117 | + * are automatically bound before being mounted. |
| 118 | + */ |
| 119 | + componentDidMount: function() { |
| 120 | + this._interval = window.setInterval(this.onTick, 20); |
| 121 | + }, |
| 122 | + componentWillUnmount: function() { |
| 123 | + window.clearInterval(this._interval); |
| 124 | + }, |
| 125 | + onTick: function() { |
| 126 | + var nextDegrees = this.state.degrees + BASE_VEL + this.state.velocity; |
| 127 | + var nextVelocity = this.state.velocity * this.state.drag; |
| 128 | + this.setState({degrees: nextDegrees, velocity: nextVelocity}); |
| 129 | + }, |
| 130 | + /** |
| 131 | + * This is the "main" method for any component. The React API allows you to |
| 132 | + * describe the structure of your UI component at *any* point in time. |
| 133 | + */ |
| 134 | + render: function() { |
| 135 | + return ( |
| 136 | + <Surface |
| 137 | + width={700} |
| 138 | + height={500} |
| 139 | + > |
| 140 | + {this.renderGraphic(this.state.degrees)} |
| 141 | + </Surface> |
| 142 | + ); |
| 143 | + }, |
| 144 | + renderGraphic: function(rotation) { |
| 145 | + return ( |
| 146 | + <Group> |
| 147 | + <Group x={110} y={35}> |
| 148 | + <Shape fill="rgba(0,0,0,0.1)" d={BORDER_PATH} /> |
| 149 | + <Shape fill="#7BC7BA" d={BG_PATH} /> |
| 150 | + <Shape fill="#DCDCDC" d={BAR_PATH} /> |
| 151 | + <Shape fill="#D97B76" d={RED_DOT_PATH} /> |
| 152 | + <Shape fill="#DBBB79" d={YELLOW_DOT_PATH} /> |
| 153 | + <Shape fill="#A6BD8A" d={GREEN_DOT_PATH} /> |
| 154 | + <Group x={55} y={29}> |
| 155 | + <Group rotation={rotation} originX={84} originY={89}> |
| 156 | + <Shape fill="#FFFFFF" d={CENTER_DOT_PATH} /> |
| 157 | + <Group> |
| 158 | + <Shape d={RING_ONE_PATH} stroke="#FFFFFF" strokeWidth={8} /> |
| 159 | + <Shape d={RING_TWO_PATH} transform={RING_TWO_ROTATE} stroke="#FFFFFF" strokeWidth={8} /> |
| 160 | + <Shape d={RING_THREE_PATH} transform={RING_THREE_ROTATE} stroke="#FFFFFF" strokeWidth={8} /> |
| 161 | + </Group> |
| 162 | + </Group> |
| 163 | + </Group> |
| 164 | + </Group> |
| 165 | + </Group> |
| 166 | + ); |
| 167 | + } |
| 168 | +}); |
| 169 | +var BORDER_PATH = "M3.00191459,4 C1.34400294,4 0,5.34785514 0,7.00550479 L0,220.994495 C0,222.65439 1.34239483,224 3.00191459,224 L276.998085,224 C278.655997,224 280,222.652145 280,220.994495 L280,7.00550479 C280,5.34561033 278.657605,4 276.998085,4 L3.00191459,4 Z M3.00191459,4"; |
| 170 | +var BG_PATH = "M3.00191459,1 C1.34400294,1 0,2.34785514 0,4.00550479 L0,217.994495 C0,219.65439 1.34239483,221 3.00191459,221 L276.998085,221 C278.655997,221 280,219.652145 280,217.994495 L280,4.00550479 C280,2.34561033 278.657605,1 276.998085,1 L3.00191459,1 Z M3.00191459,1"; |
| 171 | +var BAR_PATH = "M3.00191459,0 C1.34400294,0 0,1.34559019 0,3.00878799 L0,21 C0,21 0,21 0,21 L280,21 C280,21 280,21 280,21 L280,3.00878799 C280,1.34708027 278.657605,0 276.998085,0 L3.00191459,0 Z M3.00191459,0"; |
| 172 | +var RED_DOT_PATH = "M12.5,17 C16.0898511,17 19,14.0898511 19,10.5 C19,6.91014895 16.0898511,4 12.5,4 C8.91014895,4 6,6.91014895 6,10.5 C6,14.0898511 8.91014895,17 12.5,17 Z M12.5,17"; |
| 173 | +var YELLOW_DOT_PATH = "M31.5,17 C35.0898511,17 38,14.0898511 38,10.5 C38,6.91014895 35.0898511,4 31.5,4 C27.9101489,4 25,6.91014895 25,10.5 C25,14.0898511 27.9101489,17 31.5,17 Z M31.5,17"; |
| 174 | +var GREEN_DOT_PATH = "M50.5,17 C54.0898511,17 57,14.0898511 57,10.5 C57,6.91014895 54.0898511,4 50.5,4 C46.9101489,4 44,6.91014895 44,10.5 C44,14.0898511 46.9101489,17 50.5,17 Z M50.5,17"; |
| 175 | +var CENTER_DOT_PATH = "M84,105 C92.8365564,105 100,97.8365564 100,89 C100,80.1634436 92.8365564,73 84,73 C75.1634436,73 68,80.1634436 68,89 C68,97.8365564 75.1634436,105 84,105 Z M84,105"; |
| 176 | +var RING_ONE_PATH = "M84,121 C130.391921,121 168,106.673113 168,89 C168,71.3268871 130.391921,57 84,57 C37.6080787,57 0,71.3268871 0,89 C0,106.673113 37.6080787,121 84,121 Z M84,121"; |
| 177 | +var RING_TWO_PATH = "M84,121 C130.391921,121 168,106.673113 168,89 C168,71.3268871 130.391921,57 84,57 C37.6080787,57 0,71.3268871 0,89 C0,106.673113 37.6080787,121 84,121 Z M84,121"; |
| 178 | +var RING_THREE_PATH = "M84,121 C130.391921,121 168,106.673113 168,89 C168,71.3268871 130.391921,57 84,57 C37.6080787,57 0,71.3268871 0,89 C0,106.673113 37.6080787,121 84,121 Z M84,121"; |
| 179 | +var RING_TWO_ROTATE = new Transform().translate(84.000000, 89.000000).rotate(-240.000000).translate(-84.000000, -89.000000); |
| 180 | +var RING_THREE_ROTATE = new Transform().translate(84.000000, 89.000000).rotate(-300.000000).translate(-84.000000, -89.000000); |
| 181 | + |
| 182 | + |
| 183 | +exports.title = 'ReactART'; |
| 184 | +exports.description = 'React Native bridge to ART drawing library'; |
| 185 | +exports.displayName = 'ReactART'; |
| 186 | +exports.examples = [ { |
| 187 | + title: 'Erasing Shape', |
| 188 | + render: function () { return <ErasingShape />; } |
| 189 | +}, { |
| 190 | + title: 'Vector Widget', |
| 191 | + render: function() {return <VectorWidget />; } |
| 192 | +}]; |
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