1 | import { each, isArray } from '@antv/util';
|
2 | import { catmullRom2bezier, getLinePath } from '../../geometry/shape/util/path';
|
3 | import { toPoints } from '../../util/bbox';
|
4 | import { isPolygonsIntersect } from '@antv/path-util';
|
5 | function getMaskBBox(context, tolerance) {
|
6 | var event = context.event;
|
7 | var maskShape = event.target;
|
8 | var maskBBox = maskShape.getCanvasBBox();
|
9 |
|
10 | if (!(maskBBox.width >= tolerance || maskBBox.height >= tolerance)) {
|
11 | return null;
|
12 | }
|
13 | return maskBBox;
|
14 | }
|
15 | function getMaskPath(context, tolerance) {
|
16 | var event = context.event;
|
17 | var maskShape = event.target;
|
18 | var maskBBox = maskShape.getCanvasBBox();
|
19 |
|
20 | if (!(maskBBox.width >= tolerance || maskBBox.height >= tolerance)) {
|
21 | return null;
|
22 | }
|
23 | return maskShape.attr('path');
|
24 | }
|
25 |
|
26 |
|
27 |
|
28 |
|
29 |
|
30 | export function getCurrentElement(context) {
|
31 | var event = context.event;
|
32 | var element;
|
33 | var target = event.target;
|
34 | if (target) {
|
35 | element = target.get('element');
|
36 | }
|
37 | return element;
|
38 | }
|
39 |
|
40 |
|
41 |
|
42 |
|
43 |
|
44 | export function getDelegationObject(context) {
|
45 | var event = context.event;
|
46 | var target = event.target;
|
47 | var delegateObject;
|
48 | if (target) {
|
49 | delegateObject = target.get('delegateObject');
|
50 | }
|
51 | return delegateObject;
|
52 | }
|
53 | export function isElementChange(context) {
|
54 | var event = context.event.gEvent;
|
55 |
|
56 | if (event && event.fromShape && event.toShape && event.fromShape.get('element') === event.toShape.get('element')) {
|
57 | return false;
|
58 | }
|
59 | return true;
|
60 | }
|
61 |
|
62 |
|
63 |
|
64 |
|
65 |
|
66 | export function isList(delegateObject) {
|
67 | return delegateObject && delegateObject.component && delegateObject.component.isList();
|
68 | }
|
69 |
|
70 |
|
71 |
|
72 |
|
73 |
|
74 | export function isSlider(delegateObject) {
|
75 | return delegateObject && delegateObject.component && delegateObject.component.isSlider();
|
76 | }
|
77 |
|
78 |
|
79 |
|
80 |
|
81 |
|
82 | export function isMask(context) {
|
83 | var event = context.event;
|
84 | var target = event.target;
|
85 | return target && target.get('name') === 'mask';
|
86 | }
|
87 |
|
88 |
|
89 |
|
90 |
|
91 |
|
92 | export function getMaskedElements(context, tolerance) {
|
93 | var target = context.event.target;
|
94 | if (target.get('type') === 'path') {
|
95 | var maskPath = getMaskPath(context, tolerance);
|
96 | if (!maskPath) {
|
97 | return;
|
98 | }
|
99 | return getElementsByPath(context.view, maskPath);
|
100 | }
|
101 | var maskBBox = getMaskBBox(context, tolerance);
|
102 |
|
103 | if (!maskBBox) {
|
104 | return null;
|
105 | }
|
106 | return getIntersectElements(context.view, maskBBox);
|
107 | }
|
108 |
|
109 |
|
110 |
|
111 | export function getSiblingMaskElements(context, sibling, tolerance) {
|
112 | var maskBBox = getMaskBBox(context, tolerance);
|
113 |
|
114 | if (!maskBBox) {
|
115 | return null;
|
116 | }
|
117 | var view = context.view;
|
118 | var start = getSiblingPoint(view, sibling, { x: maskBBox.x, y: maskBBox.y });
|
119 | var end = getSiblingPoint(view, sibling, { x: maskBBox.maxX, y: maskBBox.maxY });
|
120 | var box = {
|
121 | minX: start.x,
|
122 | minY: start.y,
|
123 | maxX: end.x,
|
124 | maxY: end.y,
|
125 | };
|
126 | return getIntersectElements(sibling, box);
|
127 | }
|
128 |
|
129 |
|
130 |
|
131 |
|
132 |
|
133 | export function getElements(view) {
|
134 | var geometries = view.geometries;
|
135 | var rst = [];
|
136 | each(geometries, function (geom) {
|
137 | var elements = geom.elements;
|
138 | rst = rst.concat(elements);
|
139 | });
|
140 | if (view.views && view.views.length) {
|
141 | each(view.views, function (subView) {
|
142 | rst = rst.concat(getElements(subView));
|
143 | });
|
144 | }
|
145 | return rst;
|
146 | }
|
147 |
|
148 |
|
149 |
|
150 |
|
151 |
|
152 |
|
153 |
|
154 | export function getElementsByField(view, field, value) {
|
155 | var elements = getElements(view);
|
156 | return elements.filter(function (el) {
|
157 | return getElementValue(el, field) === value;
|
158 | });
|
159 | }
|
160 |
|
161 |
|
162 |
|
163 |
|
164 |
|
165 |
|
166 | export function getElementsByState(view, stateName) {
|
167 | var geometries = view.geometries;
|
168 | var rst = [];
|
169 | each(geometries, function (geom) {
|
170 | var elements = geom.getElementsBy(function (el) { return el.hasState(stateName); });
|
171 | rst = rst.concat(elements);
|
172 | });
|
173 | return rst;
|
174 | }
|
175 |
|
176 |
|
177 |
|
178 |
|
179 |
|
180 |
|
181 | export function getElementValue(element, field) {
|
182 | var model = element.getModel();
|
183 | var record = model.data;
|
184 | var value;
|
185 | if (isArray(record)) {
|
186 | value = record[0][field];
|
187 | }
|
188 | else {
|
189 | value = record[field];
|
190 | }
|
191 | return value;
|
192 | }
|
193 |
|
194 |
|
195 |
|
196 |
|
197 |
|
198 |
|
199 | export function intersectRect(box1, box2) {
|
200 | return !(box2.minX > box1.maxX || box2.maxX < box1.minX || box2.minY > box1.maxY || box2.maxY < box1.minY);
|
201 | }
|
202 |
|
203 |
|
204 |
|
205 |
|
206 |
|
207 |
|
208 | export function getIntersectElements(view, box) {
|
209 | var elements = getElements(view);
|
210 | var rst = [];
|
211 | each(elements, function (el) {
|
212 | var shape = el.shape;
|
213 | var shapeBBox = shape.getCanvasBBox();
|
214 | if (intersectRect(box, shapeBBox)) {
|
215 | rst.push(el);
|
216 | }
|
217 | });
|
218 | return rst;
|
219 | }
|
220 | function pathToPoints(path) {
|
221 | var points = [];
|
222 | each(path, function (seg) {
|
223 | var command = seg[0];
|
224 | if (command !== 'A') {
|
225 | for (var i = 1; i < seg.length; i = i + 2) {
|
226 | points.push([seg[i], seg[i + 1]]);
|
227 | }
|
228 | }
|
229 | else {
|
230 | var length_1 = seg.length;
|
231 | points.push([seg[length_1 - 2], seg[length_1 - 1]]);
|
232 | }
|
233 | });
|
234 | return points;
|
235 | }
|
236 |
|
237 |
|
238 |
|
239 |
|
240 |
|
241 |
|
242 | export function getElementsByPath(view, path) {
|
243 | var elements = getElements(view);
|
244 | var points = pathToPoints(path);
|
245 | var rst = elements.filter(function (el) {
|
246 | var shape = el.shape;
|
247 | var shapePoints;
|
248 | if (shape.get('type') === 'path') {
|
249 | shapePoints = pathToPoints(shape.attr('path'));
|
250 | }
|
251 | else {
|
252 | var shapeBBox = shape.getCanvasBBox();
|
253 | shapePoints = toPoints(shapeBBox);
|
254 | }
|
255 | return isPolygonsIntersect(points, shapePoints);
|
256 | });
|
257 | return rst;
|
258 | }
|
259 |
|
260 |
|
261 |
|
262 |
|
263 |
|
264 | export function getComponents(view) {
|
265 | return view.getComponents().map(function (co) { return co.component; });
|
266 | }
|
267 |
|
268 | export function distance(p1, p2) {
|
269 | var dx = p2.x - p1.x;
|
270 | var dy = p2.y - p1.y;
|
271 | return Math.sqrt(dx * dx + dy * dy);
|
272 | }
|
273 |
|
274 | export function getSpline(points, z) {
|
275 | if (points.length <= 2) {
|
276 | return getLinePath(points, false);
|
277 | }
|
278 | var first = points[0];
|
279 | var arr = [];
|
280 | each(points, function (point) {
|
281 | arr.push(point.x);
|
282 | arr.push(point.y);
|
283 | });
|
284 | var path = catmullRom2bezier(arr, z, null);
|
285 | path.unshift(['M', first.x, first.y]);
|
286 | return path;
|
287 | }
|
288 |
|
289 |
|
290 |
|
291 |
|
292 |
|
293 |
|
294 | export function isInBox(box, point) {
|
295 | return box.x <= point.x && box.maxX >= point.x && box.y <= point.y && box.maxY > point.y;
|
296 | }
|
297 |
|
298 |
|
299 |
|
300 |
|
301 |
|
302 |
|
303 | export function getSilbings(view) {
|
304 | var parent = view.parent;
|
305 | var siblings = null;
|
306 | if (parent) {
|
307 | siblings = parent.views.filter(function (sub) { return sub !== view; });
|
308 | }
|
309 | return siblings;
|
310 | }
|
311 | function point2Normalize(view, point) {
|
312 | var coord = view.getCoordinate();
|
313 | return coord.invert(point);
|
314 | }
|
315 |
|
316 |
|
317 |
|
318 |
|
319 |
|
320 |
|
321 |
|
322 | export function getSiblingPoint(view, sibling, point) {
|
323 | var normalPoint = point2Normalize(view, point);
|
324 | return sibling.getCoordinate().convert(normalPoint);
|
325 | }
|
326 |
|
327 |
|
328 |
|
329 |
|
330 |
|
331 |
|
332 |
|
333 |
|
334 |
|
335 |
|
336 |
|
337 |
|
338 | export function isInRecords(records, record, xFiled, yField) {
|
339 | var isIn = false;
|
340 | each(records, function (r) {
|
341 | if (r[xFiled] === record[xFiled] && r[yField] === record[yField]) {
|
342 | isIn = true;
|
343 | return false;
|
344 | }
|
345 | });
|
346 | return isIn;
|
347 | }
|
348 |
|
349 | export function getScaleByField(view, field) {
|
350 | var scale = view.getScaleByField(field);
|
351 | if (!scale && view.views) {
|
352 | each(view.views, function (subView) {
|
353 | scale = getScaleByField(subView, field);
|
354 | if (scale) {
|
355 | return false;
|
356 | }
|
357 | });
|
358 | }
|
359 | return scale;
|
360 | }
|
361 |
|
\ | No newline at end of file |