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import { IReactionDisposer, observable, runInAction, computed, action } from "mobx";
import { Doc, DocListCast, Field } from "../../../../fields/Doc";
import { List } from "../../../../fields/List";
import { listSpec } from "../../../../fields/Schema";
import { SchemaHeaderField } from "../../../../fields/SchemaHeaderField";
import { ComputedField } from "../../../../fields/ScriptField";
import { Cast, StrCast } from "../../../../fields/Types";
import { DocServer } from "../../../DocServer";
import { CollectionViewType } from "../../collections/CollectionView";
import { FormattedTextBox } from "./FormattedTextBox";
import React = require("react");
import * as ReactDOM from 'react-dom';
import "./DashFieldView.scss";
import { observer } from "mobx-react";
import { DocUtils } from "../../../documents/Documents";
export class DashFieldView {
_fieldWrapper: HTMLDivElement; // container for label and value
constructor(node: any, view: any, getPos: any, tbox: FormattedTextBox) {
this._fieldWrapper = document.createElement("div");
this._fieldWrapper.style.width = node.attrs.width;
this._fieldWrapper.style.height = node.attrs.height;
this._fieldWrapper.style.fontWeight = "bold";
this._fieldWrapper.style.position = "relative";
this._fieldWrapper.style.display = "inline-block";
this._fieldWrapper.onkeypress = function (e: any) { e.stopPropagation(); };
this._fieldWrapper.onkeydown = function (e: any) { e.stopPropagation(); };
this._fieldWrapper.onkeyup = function (e: any) { e.stopPropagation(); };
this._fieldWrapper.onmousedown = function (e: any) { e.stopPropagation(); };
ReactDOM.render(<DashFieldViewInternal
fieldKey={node.attrs.fieldKey}
docid={node.attrs.docid}
width={node.attrs.width}
height={node.attrs.height}
hideKey={node.attrs.hideKey}
tbox={tbox}
/>, this._fieldWrapper);
(this as any).dom = this._fieldWrapper;
}
destroy() { ReactDOM.unmountComponentAtNode(this._fieldWrapper); }
selectNode() { }
}
interface IDashFieldViewInternal {
fieldKey: string;
docid: string;
hideKey: boolean;
tbox: FormattedTextBox;
width: number;
height: number;
}
@observer
export class DashFieldViewInternal extends React.Component<IDashFieldViewInternal> {
_reactionDisposer: IReactionDisposer | undefined;
_textBoxDoc: Doc;
_fieldKey: string;
_fieldStringRef = React.createRef<HTMLSpanElement>();
@observable _showEnumerables: boolean = false;
@observable _dashDoc: Doc | undefined;
constructor(props: IDashFieldViewInternal) {
super(props);
this._fieldKey = this.props.fieldKey;
this._textBoxDoc = this.props.tbox.props.Document;
if (this.props.docid) {
DocServer.GetRefField(this.props.docid).
then(action(async dashDoc => dashDoc instanceof Doc && (this._dashDoc = dashDoc)));
} else {
this._dashDoc = this.props.tbox.props.DataDoc || this.props.tbox.dataDoc;
}
}
componentWillUnmount() {
this._reactionDisposer?.();
}
multiValueDelimeter = ";";
// set the display of the field's value (checkbox for booleans, span of text for strings)
@computed get fieldValueContent() {
if (this._dashDoc) {
const dashVal = this._dashDoc[this._fieldKey] || (this._fieldKey === "PARAMS" ? this._textBoxDoc[this._fieldKey] : "");
const fval = dashVal instanceof List ? dashVal.join(this.multiValueDelimeter) : StrCast(dashVal).startsWith(":=") || dashVal === "" ? Doc.Layout(this._textBoxDoc)[this._fieldKey] : dashVal;
const boolVal = Cast(fval, "boolean", null);
const strVal = Field.toString(fval as Field) || "";
// field value is a boolean, so use a checkbox or similar widget to display it
if (boolVal === true || boolVal === false) {
return <input
className="dashFieldView-fieldCheck"
type="checkbox" checked={boolVal}
onChange={e => this._dashDoc![this._fieldKey] = e.target.checked}
/>;
}
else // field value is a string, so display it as an editable span
{
// bcz: this is unfortunate, but since this React component is nested within a non-React text box (prosemirror), we can't
// use React events. Essentially, React events occur after native events have been processed, so corresponding React events
// will never fire because Prosemirror has handled the native events. So we add listeners for native events here.
return <span className="dashFieldView-fieldSpan" contentEditable={true}
style={{ display: strVal.length < 2 ? "inline-block" : undefined }}
suppressContentEditableWarning={true} defaultValue={strVal}
ref={r => {
r?.addEventListener("keydown", e => this.fieldSpanKeyDown(e, r));
r?.addEventListener("blur", e => r && this.updateText(r.textContent!, false));
r?.addEventListener("pointerdown", action((e) => this._showEnumerables = true));
}} >
{strVal}
</span>;
}
}
}
// we need to handle all key events on the input span or else they will propagate to prosemirror.
@action
fieldSpanKeyDown = (e: KeyboardEvent, span: HTMLSpanElement) => {
if (e.key === "Enter") { // handle the enter key by "submitting" the current text to Dash's database.
e.ctrlKey && DocUtils.addFieldEnumerations(this._textBoxDoc, this._fieldKey, [{ title: span.textContent! }]);
this.updateText(span.textContent!, true);
e.preventDefault();// prevent default to avoid a newline from being generated and wiping out this field view
}
if (e.key === "a" && (e.ctrlKey || e.metaKey)) { // handle ctrl-A to select all the text within the span
if (window.getSelection) {
const range = document.createRange();
range.selectNodeContents(span);
window.getSelection()!.removeAllRanges();
window.getSelection()!.addRange(range);
}
e.preventDefault(); //prevent default so that all the text in the prosemirror text box isn't selected
}
e.stopPropagation(); // we need to handle all events or else they will propagate to prosemirror.
}
@action
updateText = (nodeText: string, forceMatch: boolean) => {
this._showEnumerables = false;
if (nodeText) {
const newText = nodeText.startsWith(":=") || nodeText.startsWith("=:=") ? ":=-computed-" : nodeText;
// look for a document whose id === the fieldKey being displayed. If there's a match, then that document
// holds the different enumerated values for the field in the titles of its collected documents.
// if there's a partial match from the start of the input text, complete the text --- TODO: make this an auto suggest box and select from a drop down.
DocServer.GetRefField(this._fieldKey).then(options => {
let modText = "";
(options instanceof Doc) && DocListCast(options.data).forEach(opt => (forceMatch ? StrCast(opt.title).startsWith(newText) : StrCast(opt.title) === newText) && (modText = StrCast(opt.title)));
if (modText) {
// elementfieldSpan.innerHTML = this._dashDoc![this._fieldKey as string] = modText;
DocUtils.addFieldEnumerations(this._textBoxDoc, this._fieldKey, []);
this._dashDoc![this._fieldKey] = modText;
} // if the text starts with a ':=' then treat it as an expression by making a computed field from its value storing it in the key
else if (nodeText.startsWith(":=")) {
this._dashDoc![this._fieldKey] = ComputedField.MakeFunction(nodeText.substring(2));
} else if (nodeText.startsWith("=:=")) {
Doc.Layout(this._textBoxDoc)[this._fieldKey] = ComputedField.MakeFunction(nodeText.substring(3));
} else {
const splits = newText.split(this.multiValueDelimeter);
if (this._fieldKey !== "PARAMS" || !this._textBoxDoc[this._fieldKey] || this._dashDoc?.PARAMS) {
this._dashDoc![this._fieldKey] = splits.length > 1 ? new List<string>(splits) : newText;
}
}
});
}
}
// display a collection of all the enumerable values for this field
onPointerDownEnumerables = async (e: any) => {
e.stopPropagation();
const collview = await DocUtils.addFieldEnumerations(this._textBoxDoc, this._fieldKey, [{ title: this._fieldKey }]);
collview instanceof Doc && this.props.tbox.props.addDocTab(collview, "onRight");
}
// clicking on the label creates a pivot view collection of all documents
// in the same collection. The pivot field is the fieldKey of this label
onPointerDownLabelSpan = (e: any) => {
e.stopPropagation();
let container = this.props.tbox.props.ContainingCollectionView;
while (container?.props.Document.isTemplateForField || container?.props.Document.isTemplateDoc) {
container = container.props.ContainingCollectionView;
}
if (container) {
const alias = Doc.MakeAlias(container.props.Document);
alias.viewType = CollectionViewType.Time;
let list = Cast(alias._columnHeaders, listSpec(SchemaHeaderField));
if (!list) {
alias._columnHeaders = list = new List<SchemaHeaderField>();
}
list.map(c => c.heading).indexOf(this._fieldKey) === -1 && list.push(new SchemaHeaderField(this._fieldKey, "#f1efeb"));
list.map(c => c.heading).indexOf("text") === -1 && list.push(new SchemaHeaderField("text", "#f1efeb"));
alias._pivotField = this._fieldKey;
this.props.tbox.props.addDocTab(alias, "onRight");
}
}
render() {
return <div className="dashFieldView" style={{
width: this.props.width,
height: this.props.height,
}}>
{this.props.hideKey ? (null) :
<span className="dashFieldView-labelSpan" title="click to see related tags" onPointerDown={this.onPointerDownLabelSpan}>
{this._fieldKey}
</span>}
{this.props.fieldKey.startsWith("#") ? (null) : this.fieldValueContent}
{!this._showEnumerables ? (null) : <div className="dashFieldView-enumerables" onPointerDown={this.onPointerDownEnumerables} />}
</div >;
}
}
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