This commit is contained in:
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@ -27,7 +27,7 @@ const include = [
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// 'sortablejs',
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// 'swiper/vue',
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// 'mint-filter',
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// '@vueuse/core',
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'@vueuse/core',
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// 'vue3-danmaku',
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// 'v-contextmenu',
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// 'vue-pdf-embed',
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@ -1 +1 @@
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{"version":1721175662341}
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{"version":1721355798048}
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@ -1,153 +1,48 @@
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<script setup lang="ts">
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import { onMounted } from 'vue';
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import { useWindowSize } from '@vueuse/core';
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import { onMounted, ref } from 'vue';
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import { useEventListener, useWindowSize } from '@vueuse/core';
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import Konva from 'konva/lib';
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import { rect1, rect2, selectionRectangle } from '@/views/select/basic/rect.ts';
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import { stageEvent } from '@/views/select/basic/stageEvent.ts';
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import { drawLine } from '@/views/select/basic/line.ts';
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import { Stage } from 'konva/lib/Stage';
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import { Layer } from 'konva/lib/Layer';
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const { width, height } = useWindowSize();
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// let stage, layer;
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const stage = ref<Stage>();
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const layer = ref<Layer>();
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const tr = ref();
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const initial = () => {
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const stage = new Konva.Stage({ container: 'container', width: width.value, height: height.value });
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const layer = new Konva.Layer();
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stage.value = new Konva.Stage({ container: 'container', width: width.value, height: height.value });
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layer.value = new Konva.Layer();
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stage.value.add(layer.value);
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const rect1 = new Konva.Rect({
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x: 60,
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y: 60,
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width: 100,
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height: 90,
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fill: 'red',
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name: 'rect',
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draggable: true,
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});
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layer.add(rect1);
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drawLine(stage.value, layer.value);
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const rect2 = new Konva.Rect({
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x: 180,
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y: 200,
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width: 100,
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height: 200,
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fill: 'green',
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name: 'rect',
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draggable: true,
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});
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layer.add(rect2);
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rect1(layer.value);
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rect2(layer.value);
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// 添加缩放
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const tr = new Konva.Transformer();
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layer.add(tr);
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tr.nodes([rect1, rect2]);
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tr.value = new Konva.Transformer();
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layer.value.add(tr.value);
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const selectionRectangle = new Konva.Rect({
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fill: 'rgba(0,0,255,0.5)',
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visible: false,
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// disable events to not interrupt with events
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listening: false,
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});
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layer.add(selectionRectangle);
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let x1 = 0,
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y1 = 0,
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x2 = 0,
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y2 = 0;
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let selecting = false;
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stage.on('mousedown touchstart', e => {
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// do nothing if we mousedown on any shape
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if (e.target !== stage) {
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return;
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}
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e.evt.preventDefault();
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x1 = stage.getPointerPosition()!.x;
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y1 = stage.getPointerPosition()!.y;
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x2 = stage.getPointerPosition()!.x;
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y2 = stage.getPointerPosition()!.y;
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selectionRectangle.width(0);
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selectionRectangle.height(0);
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selecting = true;
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});
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stage.on('mousemove touchmove', e => {
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// do nothing if we didn't start selection
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if (!selecting) {
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return;
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}
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e.evt.preventDefault();
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x2 = stage.getPointerPosition()!.x;
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y2 = stage.getPointerPosition()!.y;
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selectionRectangle.setAttrs({
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visible: true,
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x: Math.min(x1, x2),
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y: Math.min(y1, y2),
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width: Math.abs(x2 - x1),
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height: Math.abs(y2 - y1),
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});
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});
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stage.on('mouseup touchend', e => {
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// do nothing if we didn't start selection
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selecting = false;
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if (!selectionRectangle.visible()) {
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return;
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}
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e.evt.preventDefault();
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// update visibility in timeout, so we can check it in click event
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selectionRectangle.visible(false);
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let shapes = stage.find('.rect');
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let box = selectionRectangle.getClientRect();
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let selected = shapes.filter(shape => Konva.Util.haveIntersection(box, shape.getClientRect()));
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tr.nodes(selected);
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});
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// clicks should select/deselect shapes
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stage.on('click tap', function (e) {
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// if we are selecting with rect, do nothing
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if (selectionRectangle.visible()) {
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return;
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}
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// if click on empty area - remove all selections
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if (e.target === stage) {
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tr.nodes([]);
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return;
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}
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// do nothing if clicked NOT on our rectangles
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if (!e.target.hasName('rect')) {
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return;
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}
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// do we pressed shift or ctrl?
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const metaPressed = e.evt.shiftKey || e.evt.ctrlKey || e.evt.metaKey;
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const isSelected = tr.nodes().indexOf(e.target) >= 0;
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if (!metaPressed && !isSelected) {
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// if no key pressed and the node is not selected
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// select just one
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tr.nodes([e.target]);
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} else if (metaPressed && isSelected) {
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// if we pressed keys and node was selected
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// we need to remove it from selection:
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const nodes = tr.nodes().slice(); // use slice to have new copy of array
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// remove node from array
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nodes.splice(nodes.indexOf(e.target), 1);
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tr.nodes(nodes);
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} else if (metaPressed && !isSelected) {
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// add the node into selection
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const nodes = tr.nodes().concat([e.target]);
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tr.nodes(nodes);
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}
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});
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stage.add(layer);
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stageEvent(stage.value, selectionRectangle(layer.value), tr.value);
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};
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onMounted(() => {
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initial();
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useEventListener(window, 'resize', function () {
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stage.value?.width(width.value);
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stage.value?.height(height.value);
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// tr.value.forceUpdate();
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});
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});
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</script>
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<template>
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<div id="container"></div>
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</template>
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<style scoped lang="scss"></style>
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@ -0,0 +1,33 @@
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import { Stage } from 'konva/lib/Stage';
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import { Layer } from 'konva/lib/Layer';
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import Konva from 'konva/lib';
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export const drawLine = (stage: Stage, layer: Layer) => {
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const xSnaps = Math.round(stage.width() / 50);
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const ySnaps = Math.round(stage.height() / 50);
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const cellWidth = stage.width() / xSnaps;
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const cellHeight = stage.height() / ySnaps;
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for (let i = 0; i < xSnaps; i++) {
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const xLine = new Konva.Line({
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x: i * cellWidth,
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points: [0, 0, 0, stage.height()],
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stroke: '#96e04d',
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strokeWidth: 1,
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id: 'line',
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});
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layer.add(xLine);
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}
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for (let i = 0; i < ySnaps; i++) {
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layer.add(
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new Konva.Line({
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y: i * cellHeight,
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points: [0, 0, stage.width(), 0],
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stroke: '#96e04d',
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strokeWidth: 1,
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id: 'line',
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}),
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);
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}
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};
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@ -0,0 +1,41 @@
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import { Layer } from 'konva/lib/Layer';
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import Konva from 'konva/lib';
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export const rect1 = (parent: Layer) => {
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const rect = new Konva.Rect({
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x: 60,
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y: 60,
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width: 100,
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height: 90,
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fill: 'red',
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name: 'rect',
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draggable: true,
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});
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parent.add(rect);
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return rect;
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};
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export const rect2 = (parent: Layer) => {
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const rect = new Konva.Rect({
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x: 180,
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y: 200,
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width: 100,
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height: 200,
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fill: 'green',
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name: 'rect',
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draggable: true,
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});
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parent.add(rect);
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return rect;
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};
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export const selectionRectangle = (layer: Layer) => {
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const selectionRectangle = new Konva.Rect({
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fill: 'rgba(0,0,255,0.5)',
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visible: false,
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listening: false,
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});
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layer.add(selectionRectangle);
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return selectionRectangle;
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};
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@ -0,0 +1,93 @@
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import Konva from 'konva/lib';
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import { Stage } from 'konva/lib/Stage';
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import { Rect } from 'konva/lib/shapes/Rect';
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import { Transformer } from 'konva/lib/shapes/Transformer';
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export const stageEvent = (stage: Stage, selectionRectangle: Rect, tr: Transformer) => {
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let x1 = 0,
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y1 = 0,
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x2 = 0,
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y2 = 0;
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let selecting = false;
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stage.on('mousedown touchstart', e => {
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e.evt.preventDefault();
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x1 = stage.getPointerPosition()!.x;
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y1 = stage.getPointerPosition()!.y;
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x2 = stage.getPointerPosition()!.x;
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y2 = stage.getPointerPosition()!.y;
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selectionRectangle.width(0);
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selectionRectangle.height(0);
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selecting = true;
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});
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stage.on('mousemove touchmove', e => {
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if (!selecting) return;
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e.evt.preventDefault();
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x2 = stage.getPointerPosition()!.x;
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y2 = stage.getPointerPosition()!.y;
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selectionRectangle.setAttrs({
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visible: true,
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x: Math.min(x1, x2),
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y: Math.min(y1, y2),
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width: Math.abs(x2 - x1),
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height: Math.abs(y2 - y1),
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});
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});
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stage.on('mouseup touchend', e => {
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selecting = false;
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if (!selectionRectangle.visible()) return;
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e.evt.preventDefault();
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// update visibility in timeout, so we can check it in click event
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selectionRectangle.visible(false);
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let shapes = stage.find('.rect');
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let box = selectionRectangle.getClientRect();
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let selected = shapes.filter(shape => Konva.Util.haveIntersection(box, shape.getClientRect()));
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tr.nodes(selected);
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});
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// clicks should select/deselect shapes
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stage.on('click tap', function (e) {
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// if we are selecting with rect, do nothing
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if (selectionRectangle.visible()) {
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return;
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}
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// if click on empty area - remove all selections
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if (e.target === stage) {
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tr.nodes([]);
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return;
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}
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// do nothing if clicked NOT on our rectangles
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if (!e.target.hasName('rect')) {
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return;
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}
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// do we pressed shift or ctrl?
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const metaPressed = e.evt.shiftKey || e.evt.ctrlKey || e.evt.metaKey;
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const isSelected = tr.nodes().indexOf(e.target) >= 0;
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if (!metaPressed && !isSelected) {
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// if no key pressed and the node is not selected
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// select just one
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tr.nodes([e.target]);
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} else if (metaPressed && isSelected) {
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// if we pressed keys and node was selected
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// we need to remove it from selection:
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const nodes = tr.nodes().slice(); // use slice to have new copy of array
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// remove node from array
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nodes.splice(nodes.indexOf(e.target), 1);
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tr.nodes(nodes);
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} else if (metaPressed && !isSelected) {
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// add the node into selection
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const nodes = tr.nodes().concat([e.target]);
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tr.nodes(nodes);
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}
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});
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};
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