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
173
174
175
176
177
178
179
180
181
182
183
184
|
import { observer } from "mobx-react";
import { Doc } from "../../../../fields/Doc";
import { Utils, setupMoveUpEvents, emptyFunction, returnFalse } from '../../../../Utils';
import { DocumentView } from "../../nodes/DocumentView";
import "./CollectionFreeFormLinkView.scss";
import React = require("react");
import { DocumentType } from "../../../documents/DocumentTypes";
import { observable, action, reaction, IReactionDisposer, trace, computed } from "mobx";
import { StrCast, Cast, NumCast } from "../../../../fields/Types";
import { Id } from "../../../../fields/FieldSymbols";
import { SnappingManager } from "../../../util/SnappingManager";
export interface CollectionFreeFormLinkViewProps {
A: DocumentView;
B: DocumentView;
LinkDocs: Doc[];
}
@observer
export class CollectionFreeFormLinkView extends React.Component<CollectionFreeFormLinkViewProps> {
@observable _opacity: number = 0;
@observable _start = 0;
_anchorDisposer: IReactionDisposer | undefined;
_timeout: NodeJS.Timeout | undefined;
componentWillUnmount() { this._anchorDisposer?.(); }
@action timeout = action(() => (Date.now() < this._start++ + 1000) && (this._timeout = setTimeout(this.timeout, 25)));
componentDidMount() {
this._anchorDisposer = reaction(() => [this.props.A.props.ScreenToLocalTransform(), this.props.B.props.ScreenToLocalTransform()],
action(() => {
this._start = Date.now();
this._timeout && clearTimeout(this._timeout);
this._timeout = setTimeout(this.timeout, 25);
setTimeout(this.placeAnchors);
})
, { fireImmediately: true });
}
placeAnchors = () => {
const { A, B, LinkDocs } = this.props;
const linkDoc = LinkDocs[0];
if (SnappingManager.GetIsDragging() || !A.ContentDiv || !B.ContentDiv) return;
setTimeout(action(() => this._opacity = 1), 0); // since the render code depends on querying the Dom through getBoudndingClientRect, we need to delay triggering render()
setTimeout(action(() => (!LinkDocs.length || !linkDoc.linkDisplay) && (this._opacity = 0.05)), 750); // this will unhighlight the link line.
if (!linkDoc.linkAutoMove) return;
const acont = A.props.Document.type === DocumentType.LINK ? A.ContentDiv.getElementsByClassName("linkAnchorBox-cont") : [];
const bcont = B.props.Document.type === DocumentType.LINK ? B.ContentDiv.getElementsByClassName("linkAnchorBox-cont") : [];
const adiv = (acont.length ? acont[0] : A.ContentDiv);
const bdiv = (bcont.length ? bcont[0] : B.ContentDiv);
const a = adiv.getBoundingClientRect();
const b = bdiv.getBoundingClientRect();
const { left: aleft, top: atop, width: awidth, height: aheight } = adiv.parentElement!.getBoundingClientRect();
const { left: bleft, top: btop, width: bwidth, height: bheight } = bdiv.parentElement!.getBoundingClientRect();
const apt = Utils.closestPtBetweenRectangles(aleft, atop, awidth, aheight, bleft, btop, bwidth, bheight, a.left + a.width / 2, a.top + a.height / 2);
const bpt = Utils.closestPtBetweenRectangles(bleft, btop, bwidth, bheight, aleft, atop, awidth, aheight, apt.point.x, apt.point.y);
const afield = A.props.LayoutTemplateString?.indexOf("anchor1") === -1 ? "anchor2" : "anchor1";
const bfield = afield === "anchor1" ? "anchor2" : "anchor1";
// really hacky stuff to make the LinkAnchorBox display where we want it to:
// if there's an element in the DOM with a classname containing the link's id and a data-targetids attribute containing the other end of the link,
// then that DOM element is a hyperlink source for the current anchor and we want to place our link box at it's top right
// otherwise, we just use the computed nearest point on the document boundary to the target Document
const linkEles = Array.from(window.document.getElementsByClassName(linkDoc[Id]));
const targetAhyperlink = linkEles.find((ele: any) => ele.dataset.targetids?.includes((linkDoc[afield] as Doc)[Id]));
const targetBhyperlink = linkEles.find((ele: any) => ele.dataset.targetids?.includes((linkDoc[bfield] as Doc)[Id]));
if ((!targetAhyperlink && !a.width) || (!targetBhyperlink && !b.width)) return;
if (!targetBhyperlink) {
A.rootDoc[afield + "_x"] = (apt.point.x - aleft) / awidth * 100;
A.rootDoc[afield + "_y"] = (apt.point.y - atop) / aheight * 100;
} else {
const m = targetBhyperlink.getBoundingClientRect();
const mp = A.props.ScreenToLocalTransform().transformPoint(m.right, m.top + 5);
A.rootDoc[afield + "_x"] = Math.min(1, mp[0] / A.props.PanelWidth()) * 100;
A.rootDoc[afield + "_y"] = Math.min(1, mp[1] / A.props.PanelHeight()) * 100;
}
if (!targetAhyperlink) {
B.rootDoc[bfield + "_x"] = (bpt.point.x - bleft) / bwidth * 100;
B.rootDoc[bfield + "_y"] = (bpt.point.y - btop) / bheight * 100;
} else {
const m = targetAhyperlink.getBoundingClientRect();
const mp = B.props.ScreenToLocalTransform().transformPoint(m.right, m.top + 5);
B.rootDoc[bfield + "_x"] = Math.min(1, mp[0] / B.props.PanelWidth()) * 100;
B.rootDoc[bfield + "_y"] = Math.min(1, mp[1] / B.props.PanelHeight()) * 100;
}
}
pointerDown = (e: React.PointerEvent) => {
setupMoveUpEvents(this, e, (e, down, delta) => {
this.props.LinkDocs[0].linkOffsetX = NumCast(this.props.LinkDocs[0].linkOffsetX) + delta[0];
this.props.LinkDocs[0].linkOffsetY = NumCast(this.props.LinkDocs[0].linkOffsetY) + delta[1];
return false;
}, emptyFunction, () => {
// OverlayView.Instance.addElement(
// <LinkEditor sourceDoc={this.props.A.props.Document} linkDoc={this.props.LinkDocs[0]}
// showLinks={action(() => { })}
// />, { x: 300, y: 300 });
});
}
visibleY = (el: any) => {
let rect = el.getBoundingClientRect();
const top = rect.top, height = rect.height;
var el = el.parentNode;
while (el && el !== document.body) {
rect = el?.getBoundingClientRect();
if (rect?.width) {
if (top <= rect.bottom === false && getComputedStyle(el).overflow === "hidden") return rect.bottom;
// Check if the element is out of view due to a container scrolling
if ((top + height) <= rect.top && getComputedStyle(el).overflow === "hidden") return rect.top;
}
el = el.parentNode;
}
// Check its within the document viewport
return top; //top <= document.documentElement.clientHeight && getComputedStyle(document.documentElement).overflow === "hidden";
}
visibleX = (el: any) => {
let rect = el.getBoundingClientRect();
const left = rect.left, width = rect.width;
var el = el.parentNode;
while (el && el !== document.body) {
rect = el?.getBoundingClientRect();
if (rect?.width) {
if (left <= rect.right === false && getComputedStyle(el).overflow === "hidden") return rect.right;
// Check if the element is out of view due to a container scrolling
if ((left + width) <= rect.left && getComputedStyle(el).overflow === "hidden") return rect.left;
}
el = el.parentNode;
}
// Check its within the document viewport
return left; //top <= document.documentElement.clientHeight && getComputedStyle(document.documentElement).overflow === "hidden";
}
@computed.struct get renderData() {
this._start; SnappingManager.GetIsDragging();
const { A, B, LinkDocs } = this.props;
if (!A.ContentDiv || !B.ContentDiv || !LinkDocs.length) return undefined;
const acont = A.ContentDiv.getElementsByClassName("linkAnchorBox-cont");
const bcont = B.ContentDiv.getElementsByClassName("linkAnchorBox-cont");
const adiv = (acont.length ? acont[0] : A.ContentDiv);
const bdiv = (bcont.length ? bcont[0] : B.ContentDiv);
for (let apdiv = adiv; apdiv; apdiv = apdiv.parentElement as any) if ((apdiv as any).hidden) return;
for (let bpdiv = bdiv; bpdiv; bpdiv = bpdiv.parentElement as any) if ((bpdiv as any).hidden) return;
const a = adiv.getBoundingClientRect();
const b = bdiv.getBoundingClientRect();
const atop = this.visibleY(adiv);
const btop = this.visibleY(bdiv);
if (!a.width || !b.width) return undefined;
const atop2 = this.visibleY(adiv);
const btop2 = this.visibleY(bdiv);
const aleft = this.visibleX(adiv);
const bleft = this.visibleX(bdiv);
const clipped = aleft !== a.left || atop !== a.top || bleft !== b.left || btop !== b.top;
const apt = Utils.closestPtBetweenRectangles(aleft, atop, a.width, a.height, bleft, btop, b.width, b.height, a.left + a.width / 2, a.top + a.height / 2);
const bpt = Utils.closestPtBetweenRectangles(bleft, btop, b.width, b.height, aleft, atop, a.width, a.height, apt.point.x, apt.point.y);
const pt1 = [apt.point.x, apt.point.y];
const pt2 = [bpt.point.x, bpt.point.y];
const pt1vec = [pt1[0] - (aleft + a.width / 2), pt1[1] - (atop + a.height / 2)];
const pt2vec = [pt2[0] - (bleft + b.width / 2), pt2[1] - (btop + b.height / 2)];
const pt1len = Math.sqrt((pt1vec[0] * pt1vec[0]) + (pt1vec[1] * pt1vec[1]));
const pt2len = Math.sqrt((pt2vec[0] * pt2vec[0]) + (pt2vec[1] * pt2vec[1]));
const ptlen = Math.sqrt((pt1[0] - pt2[0]) * (pt1[0] - pt2[0]) + (pt1[1] - pt2[1]) * (pt1[1] - pt2[1])) / 2;
const pt1norm = clipped ? [0, 0] : [pt1vec[0] / pt1len * ptlen, pt1vec[1] / pt1len * ptlen];
const pt2norm = clipped ? [0, 0] : [pt2vec[0] / pt2len * ptlen, pt2vec[1] / pt2len * ptlen];
const aActive = A.isSelected() || Doc.IsBrushed(A.props.Document);
const bActive = B.isSelected() || Doc.IsBrushed(B.props.Document);
const textX = (Math.min(pt1[0], pt2[0]) + Math.max(pt1[0], pt2[0])) / 2 + NumCast(LinkDocs[0].linkOffsetX);
const textY = (pt1[1] + pt2[1]) / 2 + NumCast(LinkDocs[0].linkOffsetY);
return { a, b, pt1norm, pt2norm, aActive, bActive, textX, textY, pt1, pt2 };
}
render() {
if (!this.renderData) return (null);
const { a, b, pt1norm, pt2norm, aActive, bActive, textX, textY, pt1, pt2 } = this.renderData;
return !a.width || !b.width || ((!this.props.LinkDocs[0].linkDisplay) && !aActive && !bActive) ? (null) : (<>
<path className="collectionfreeformlinkview-linkLine" style={{ opacity: this._opacity, strokeDasharray: "2 2" }}
d={`M ${pt1[0]} ${pt1[1]} C ${pt1[0] + pt1norm[0]} ${pt1[1] + pt1norm[1]}, ${pt2[0] + pt2norm[0]} ${pt2[1] + pt2norm[1]}, ${pt2[0]} ${pt2[1]}`} />
{textX === undefined ? (null) : <text className="collectionfreeformlinkview-linkText" x={textX} y={textY} onPointerDown={this.pointerDown} >
{StrCast(this.props.LinkDocs[0].description)}
</text>}
</>);
}
}
|
