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import { action, observable, untracked } from 'mobx';
import { CollectionFreeFormView } from '.';
import { intersectRect } from '../../../../Utils';
import { Doc, Opt } from '../../../../fields/Doc';
import { NumCast, StrCast } from '../../../../fields/Types';
import { DocumentType } from '../../../documents/DocumentTypes';
import { DragManager } from '../../../util/DragManager';
import { dropActionType } from '../../../util/DropActionTypes';
import { StyleProp } from '../../StyleProp';
import { CollectionFreeFormDocumentView } from '../../nodes/CollectionFreeFormDocumentView';
import { DocumentView } from '../../nodes/DocumentView';
import { FieldViewProps } from '../../nodes/FieldView';
import './CollectionFreeFormView.scss';
export class CollectionFreeFormClusters {
private _view: CollectionFreeFormView;
private _clusterDistance: number = 75;
private _hitCluster: number = -1;
@observable _clusterSets: Doc[][] = [];
constructor(view: CollectionFreeFormView) {
this._view = view;
}
get Document() { return this._view.Document; } // prettier-ignore
get DocumentView() { return this._view.DocumentView?.(); } // prettier-ignore
get childDocs() { return this._view.childDocs; } // prettier-ignore
get childLayoutPairs() { return this._view.childLayoutPairs; } // prettier-ignore
get screenToContentsXf() { return this._view.screenToFreeformContentsXf; } // prettier-ignore
get viewStyleProvider() { return this._view._props.styleProvider; } // prettier-ignore
get viewMoveDocument() { return this._view._props.moveDocument; } // prettier-ignore
get selectDocuments() { return this._view.selectDocuments; } // prettier-ignore
static overlapping(doc1: Doc, doc2: Doc, clusterDistance: number) {
const x2 = NumCast(doc2.x) - clusterDistance;
const y2 = NumCast(doc2.y) - clusterDistance;
const w2 = NumCast(doc2._width) + clusterDistance;
const h2 = NumCast(doc2._height) + clusterDistance;
const x = NumCast(doc1.x) - clusterDistance;
const y = NumCast(doc1.y) - clusterDistance;
const w = NumCast(doc1._width) + clusterDistance;
const h = NumCast(doc1._height) + clusterDistance;
return doc1.z === doc2.z && intersectRect({ left: x, top: y, width: w, height: h }, { left: x2, top: y2, width: w2, height: h2 });
}
handlePointerDown(probe: number[]) {
this._hitCluster = this.childLayoutPairs
.map(pair => pair.layout)
.reduce((cluster, cd) => {
const grouping = this.Document._freeform_useClusters ? NumCast(cd.layout_cluster, -1) : NumCast(cd.group, -1);
if (grouping !== -1) {
const cx = NumCast(cd.x) - this._clusterDistance / 2;
const cy = NumCast(cd.y) - this._clusterDistance / 2;
const cw = NumCast(cd._width) + this._clusterDistance;
const ch = NumCast(cd._height) + this._clusterDistance;
return !cd.z && intersectRect({ left: cx, top: cy, width: cw, height: ch }, { left: probe[0], top: probe[1], width: 1, height: 1 }) ? grouping : cluster;
}
return cluster;
}, -1);
return this._hitCluster;
}
tryToDrag(e: PointerEvent) {
const cluster = this._hitCluster;
if (cluster !== -1) {
const ptsParent = e;
if (ptsParent) {
const eles = this.childLayoutPairs.map(pair => pair.layout).filter(cd => (this.Document._freeform_useClusters ? NumCast(cd.layout_cluster) : NumCast(cd.group, -1)) === cluster);
const clusterDocs = eles.map(ele => DocumentView.getDocumentView(ele, this.DocumentView)!);
const { left, top } = clusterDocs[0].getBounds || { left: 0, top: 0 };
const de = new DragManager.DocumentDragData(eles, e.ctrlKey || e.altKey ? dropActionType.embed : undefined);
de.moveDocument = this.viewMoveDocument;
de.offset = this.screenToContentsXf.transformDirection(ptsParent.clientX - left, ptsParent.clientY - top);
DragManager.StartDocumentDrag(
clusterDocs.map(v => v.ContentDiv!),
de,
ptsParent.clientX,
ptsParent.clientY,
{ hideSource: !de.dropAction }
);
return true;
}
}
return false;
}
initLayout() {
if (this.Document._freeform_useClusters && !this._clusterSets.length && this.childDocs.length) {
return this.updateClusters(true);
}
return false;
}
@action
updateClusters(useClusters: boolean) {
this.Document._freeform_useClusters = useClusters;
this._clusterSets.length = 0;
this.childLayoutPairs.map(pair => pair.layout).map(c => this.addDocument(c));
}
@action
addDocuments(docs: Doc[]) {
const childLayouts = this.childLayoutPairs.map(pair => pair.layout);
if (this.Document._freeform_useClusters) {
const docFirst = docs[0];
docs.forEach(doc => this._clusterSets.map(set => Doc.IndexOf(doc, set) !== -1 && set.splice(Doc.IndexOf(doc, set), 1)));
const preferredInd = NumCast(docFirst.layout_cluster);
docs.forEach(doc => {
doc.layout_cluster = -1;
});
docs.map(doc =>
this._clusterSets.map((set, i) =>
set.forEach(member => {
if (docFirst.layout_cluster === -1 && Doc.IndexOf(member, childLayouts) !== -1 && CollectionFreeFormClusters.overlapping(doc, member, this._clusterDistance)) {
docFirst.layout_cluster = i;
}
})
)
);
if (
docFirst.layout_cluster === -1 &&
preferredInd !== -1 &&
this._clusterSets.length > preferredInd &&
(!this._clusterSets[preferredInd] || !this._clusterSets[preferredInd].filter(member => Doc.IndexOf(member, childLayouts) !== -1).length)
) {
docFirst.layout_cluster = preferredInd;
}
this._clusterSets.forEach((set, i) => {
if (docFirst.layout_cluster === -1 && !set.filter(member => Doc.IndexOf(member, childLayouts) !== -1).length) {
docFirst.layout_cluster = i;
}
});
if (docFirst.layout_cluster === -1) {
docs.forEach(doc => {
doc.layout_cluster = this._clusterSets.length;
this._clusterSets.push([doc]);
});
} else if (this._clusterSets.length) {
for (let i = this._clusterSets.length; i <= NumCast(docFirst.layout_cluster); i++) !this._clusterSets[i] && this._clusterSets.push([]);
docs.forEach(doc => {
this._clusterSets[(doc.layout_cluster = NumCast(docFirst.layout_cluster))].push(doc);
});
}
childLayouts.map(child => !this._clusterSets.some((set, i) => Doc.IndexOf(child, set) !== -1 && child.layout_cluster === i) && this.addDocument(child));
}
}
@action
addDocument = (doc: Doc) => {
const childLayouts = this.childLayoutPairs.map(pair => pair.layout);
if (this.Document._freeform_useClusters) {
this._clusterSets.forEach(set => Doc.IndexOf(doc, set) !== -1 && set.splice(Doc.IndexOf(doc, set), 1));
const preferredInd = NumCast(doc.layout_cluster);
doc.layout_cluster = -1;
this._clusterSets.forEach((set, i) =>
set.forEach(member => {
if (doc.layout_cluster === -1 && Doc.IndexOf(member, childLayouts) !== -1 && CollectionFreeFormClusters.overlapping(doc, member, this._clusterDistance)) {
doc.layout_cluster = i;
}
})
);
if (doc.layout_cluster === -1 && preferredInd !== -1 && this._clusterSets.length > preferredInd && (!this._clusterSets[preferredInd] || !this._clusterSets[preferredInd].filter(member => Doc.IndexOf(member, childLayouts) !== -1).length)) {
doc.layout_cluster = preferredInd;
}
this._clusterSets.forEach((set, i) => {
if (doc.layout_cluster === -1 && !set.filter(member => Doc.IndexOf(member, childLayouts) !== -1).length) {
doc.layout_cluster = i;
}
});
if (doc.layout_cluster === -1) {
doc.layout_cluster = this._clusterSets.length;
this._clusterSets.push([doc]);
} else if (this._clusterSets.length) {
for (let i = this._clusterSets.length; i <= doc.layout_cluster; i++) !this._clusterSets[i] && this._clusterSets.push([]);
this._clusterSets[doc.layout_cluster ?? 0].push(doc);
}
}
};
styleProvider = (doc: Opt<Doc>, props: Opt<FieldViewProps>, property: string) => {
// without untracked, every inquired style property for any Doc will be invalidated if a change is made to the collection's childDocs.
// this prevents that by assuming that a Doc is generally always (or never) a member of childDocs - if it's removed or added, then all of its properties get updated anyway.
if (doc && untracked(() => this.childDocs)?.includes(doc))
switch (property.split(':')[0]) {
case StyleProp.BackgroundColor:
{
const cluster = NumCast(doc?.layout_cluster);
if (this.Document._freeform_useClusters && doc?.type !== DocumentType.IMG && !doc.layout_isSvg) {
if (this._clusterSets.length <= cluster) {
setTimeout(() => doc && this.addDocument(doc));
} else {
const palette = ['#da42429e', '#31ea318c', 'rgba(197, 87, 20, 0.55)', '#4a7ae2c4', 'rgba(216, 9, 255, 0.5)', '#ff7601', '#1dffff', 'yellow', 'rgba(27, 130, 49, 0.55)', 'rgba(0, 0, 0, 0.268)'];
// override palette cluster color with an explicitly set cluster doc color ONLY if doc color matches the current default text color
return this._clusterSets[cluster]?.reduce((b, s) => (s.backgroundColor !== Doc.UserDoc().textBackgroundColor ? StrCast(s.backgroundColor, b) : b), palette[cluster % palette.length]);
}
}
}
break;
case StyleProp.FillColor:
if (doc && this.Document._currentFrame !== undefined) {
return CollectionFreeFormDocumentView.getStringValues(doc, NumCast(this.Document._currentFrame))?.fillColor;
}
break;
default:
}
return this.viewStyleProvider?.(doc, props, property); // bcz: check 'props' used to be renderDepth + 1
};
tryToSelect = (addToSel: boolean) => {
if (addToSel && this._hitCluster !== -1) {
!addToSel && DocumentView.DeselectAll();
const eles = this.childLayoutPairs.map(pair => pair.layout).filter(cd => (this.Document._freeform_useClusters ? NumCast(cd.layout_cluster) : NumCast(cd.group, -1)) === this._hitCluster);
this.selectDocuments(eles);
return true;
}
return false;
};
}
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