Press n or j to go to the next uncovered block, b, p or k for the previous block.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 | 7x 7x 7x | <script> import { getSize } from '../../utils'; import FDraggable from '../f-draggable.vue'; import manager from '../f-draggable.vue/manager'; export default { name: 'f-dragger', extends: FDraggable, props: { axis: { type: String, default: 'both', validator: (value) => ['both', 'horizontal', 'vertical'].includes(value), }, grid: { type: Object, default: () => ({ x: 0, y: 0 }) }, range: [String, Object], rangeMode: { type: String, default: 'inside', validator: (value) => ['inside', 'center', 'outside'].includes(value), }, transfer: { type: [String, Element], default: 'self' }, }, methods: { getRange(transferEl) { let range; if (typeof this.range === 'object') range = this.range; else if (this.range === 'offset-parent') { if ( window.getComputedStyle(transferEl, 'position') !== 'absolute' ) transferEl.style.position = 'absolute'; const offsetParent = transferEl.offsetParent; range = Object.assign( { left: 0, top: 0 }, getSize(offsetParent, this.rangeMode), ); } else if (this.range === 'window') { if (window.getComputedStyle(transferEl, 'position') !== 'fixed') transferEl.style.position = 'fixed'; range = { left: 0, top: 0, width: window.innerWidth, height: window.innerHeight, }; } if (range) { if (range.width !== undefined && range.height !== undefined) { range.right = range.left + range.width; range.bottom = range.top + range.height; } else if ( range.right !== undefined && range.bottom !== undefined ) { range.width = range.right - range.left; range.height = range.bottom - range.top; } } return range; }, onMouseMoveStart(e) { const transferEl = this.getTransferEl(); // 代理元素的位置从MouseMoveStart开始算,这样在MouseDown中也可以预先处理位置 // 获取初始的left和top值 let style = transferEl ? window.getComputedStyle(transferEl) : {}; style = { left: style.left, top: style.top }; if (!style.left || style.left === 'auto') style.left = '0px'; if (!style.top || style.top === 'auto') style.top = '0px'; style.left = +style.left.slice(0, -2); style.top = +style.top.slice(0, -2); if (transferEl) { manager.range = this.getRange(transferEl); const rect = transferEl.getBoundingClientRect(); if (this.axis === 'both' || this.axis === 'horizontal') { if ( !( rect.left <= e.clientX && e.clientX < rect.left + rect.width ) ) style.left += e.clientX - rect.left - rect.width / 2; } if (this.axis === 'both' || this.axis === 'vertical') { if ( !( rect.top <= e.clientY && e.clientY < rect.top + rect.height ) ) style.top += e.clientY - rect.top - rect.height / 2; } const next = (this.constraint || this.defaultConstraint)({ startLeft: style.left, startTop: style.top, dragX: 0, dragY: 0, }); transferEl.style.left = next.left + 'px'; transferEl.style.top = next.top + 'px'; } Object.assign(manager, { dragging: true, transferEl, value: this.value, startLeft: style.left, startTop: style.top, droppable: undefined, }); manager.left = manager.startLeft; manager.top = manager.startTop; this.dragStart(); }, defaultConstraint(params) { const next = { left: params.startLeft + params.dragX, top: params.startTop + params.dragY, }; // 范围约束 if (params.range) { if (this.rangeMode === 'inside') { next.left = Math.min( Math.max(params.range.left, next.left), params.range.right - manager.transferEl.offsetWidth, ); next.top = Math.min( Math.max(params.range.top, next.top), params.range.bottom - manager.transferEl.offsetHeight, ); } else if (this.rangeMode === 'center') { next.left = Math.min( Math.max(params.range.left, next.left), params.range.right, ); next.top = Math.min( Math.max(params.range.top, next.top), params.range.bottom, ); } else if (this.rangeMode === 'outside') { next.left = Math.min( Math.max( params.range.left - manager.transferEl.offsetWidth, next.left, ), params.range.right, ); next.top = Math.min( Math.max( params.range.top - manager.transferEl.offsetHeight, next.top, ), params.range.bottom, ); } } // 网格约束 const grid = this.grid; grid.x && (next.left = Math.round(next.left / grid.x) * grid.x); grid.y && (next.top = Math.round(next.top / grid.y) * grid.y); // 轴向约束 if (this.axis === 'vertical') next.left = params.startLeft; if (this.axis === 'horizontal') next.top = params.startTop; return next; }, }, }; </script> |