mirror of
https://github.com/IRBorisov/ConceptPortal.git
synced 2025-06-26 13:00:39 +03:00
212 lines
8.2 KiB
TypeScript
212 lines
8.2 KiB
TypeScript
// Formatted text editing helpers
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import { TokenID } from '../../utils/models'
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export function getSymbolSubstitute(input: string): string | undefined {
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switch(input) {
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case '`': return '∀';
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case '~': return '∃';
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// qwerty = μωερτπ
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// asdfgh = ασδφγλ
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// zxcvbn = ζξψθβη
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case 'q': return 'μ';
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case 'w': return 'ω';
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case 'e': return 'ε';
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case 'r': return 'ρ';
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case 't': return 'τ';
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case 'y': return 'π';
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case 'a': return 'α';
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case 's': return 'σ';
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case 'd': return 'δ';
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case 'f': return 'φ';
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case 'g': return 'γ';
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case 'h': return 'λ';
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case 'z': return 'ζ';
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case 'x': return 'ξ';
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case 'c': return 'ψ';
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case 'v': return 'θ';
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case 'b': return 'β';
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case 'n': return 'η';
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}
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return undefined;
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}
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export interface IManagedText {
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value: string
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selStart: number
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selEnd: number
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}
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// Note: Wrapper class for textareafield.
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// WARNING! Manipulations on value do not support UNDO browser
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// WARNING! No checks for selection out of text boundaries
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export class TextWrapper implements IManagedText {
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value: string
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selStart: number
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selEnd: number
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object: HTMLTextAreaElement
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constructor(element: HTMLTextAreaElement) {
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this.object = element;
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this.value = this.object.value;
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this.selStart = this.object.selectionStart;
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this.selEnd = this.object.selectionEnd;
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}
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focus() {
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this.object.focus();
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}
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refresh() {
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this.value = this.object.value;
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this.selStart = this.object.selectionStart;
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this.selEnd = this.object.selectionEnd;
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}
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finalize() {
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this.object.value = this.value;
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this.object.selectionStart = this.selStart;
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this.object.selectionEnd = this.selEnd;
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}
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replaceWith(data: string) {
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this.value = this.value.substring(0, this.selStart) + data + this.value.substring(this.selEnd, this.value.length);
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this.selEnd += data.length - this.selEnd + this.selStart;
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this.selStart = this.selEnd;
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}
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envelopeWith(left: string, right: string) {
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this.value = this.value.substring(0, this.selStart) + left +
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this.value.substring(this.selStart, this.selEnd) + right +
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this.value.substring(this.selEnd, this.value.length);
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this.selEnd += left.length + right.length;
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}
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moveSel(shift: number) {
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this.selStart += shift;
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this.selEnd += shift;
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}
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setSel(start: number, end: number) {
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this.selStart = start;
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this.selEnd = end;
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}
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insertChar(key: string) {
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this.replaceWith(key);
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}
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insertToken(tokenID: TokenID): boolean {
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switch(tokenID) {
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case TokenID.NT_DECLARATIVE_EXPR: this.envelopeWith('D{ξ∈X1 | ', '}'); return true;
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case TokenID.NT_IMPERATIVE_EXPR: this.envelopeWith('I{(σ, γ) | σ:∈X1; γ:=F1[σ]; ', '}'); return true;
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case TokenID.NT_RECURSIVE_FULL: this.envelopeWith('R{ ξ:=D1 | 1=1 | ', '}'); return true;
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case TokenID.BIGPR: this.envelopeWith('Pr1(', ')'); return true;
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case TokenID.SMALLPR: this.envelopeWith('pr1(', ')'); return true;
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case TokenID.FILTER: this.envelopeWith('Fi1[α](', ')'); return true;
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case TokenID.REDUCE: this.envelopeWith('red(', ')'); return true;
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case TokenID.CARD: this.envelopeWith('card(', ')'); return true;
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case TokenID.BOOL: this.envelopeWith('bool(', ')'); return true;
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case TokenID.DEBOOL: this.envelopeWith('debool(', ')'); return true;
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case TokenID.PUNC_PL: {
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this.envelopeWith('(', ')');
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this.selEnd = this.selStart + 1;
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this.selStart = this.selEnd;
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return true;
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}
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case TokenID.PUNC_SL: {
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this.envelopeWith('[', ']');
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this.selEnd = this.selStart + 1;
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this.selStart = this.selEnd;
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return true;
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}
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case TokenID.BOOLEAN: {
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if (this.selEnd !== this.selStart && this.value.at(this.selStart) === 'ℬ') {
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this.envelopeWith('ℬ', '');
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} else {
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this.envelopeWith('ℬ(', ')');
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}
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return true;
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}
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case TokenID.DECART: this.replaceWith('×'); return true;
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case TokenID.FORALL: this.replaceWith('∀'); return true;
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case TokenID.EXISTS: this.replaceWith('∃'); return true;
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case TokenID.IN: this.replaceWith('∈'); return true;
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case TokenID.NOTIN: this.replaceWith('∉'); return true;
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case TokenID.OR: this.replaceWith('∨'); return true;
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case TokenID.AND: this.replaceWith('&'); return true;
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case TokenID.SUBSET_OR_EQ: this.replaceWith('⊆'); return true;
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case TokenID.IMPLICATION: this.replaceWith('⇒'); return true;
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case TokenID.INTERSECTION: this.replaceWith('∩'); return true;
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case TokenID.UNION: this.replaceWith('∪'); return true;
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case TokenID.SET_MINUS: this.replaceWith('\\'); return true;
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case TokenID.SYMMINUS: this.replaceWith('∆'); return true;
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case TokenID.LIT_EMPTYSET: this.replaceWith('∅'); return true;
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case TokenID.LIT_INTSET: this.replaceWith('Z'); return true;
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case TokenID.SUBSET: this.replaceWith('⊂'); return true;
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case TokenID.NOTSUBSET: this.replaceWith('⊄'); return true;
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case TokenID.EQUAL: this.replaceWith('='); return true;
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case TokenID.NOTEQUAL: this.replaceWith('≠'); return true;
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case TokenID.NOT: this.replaceWith('¬'); return true;
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case TokenID.EQUIVALENT: this.replaceWith('⇔'); return true;
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case TokenID.GREATER_OR_EQ: this.replaceWith('≥'); return true;
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case TokenID.LESSER_OR_EQ: this.replaceWith('≤'); return true;
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case TokenID.PUNC_ASSIGN: this.replaceWith(':='); return true;
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case TokenID.PUNC_ITERATE: this.replaceWith(':∈'); return true;
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case TokenID.MULTIPLY: this.replaceWith('*'); return true;
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}
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return false;
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}
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processAltKey(key: string): boolean {
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switch(key) {
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// qwert
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// asdfg
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// zxcvb
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case 'q': return this.insertToken(TokenID.BIGPR);
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case 'w': return this.insertToken(TokenID.SMALLPR);
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case 'e': return this.insertToken(TokenID.BOOLEAN);
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case 'r': return this.insertToken(TokenID.REDUCE);
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case 't': return this.insertToken(TokenID.NT_RECURSIVE_FULL);
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case 'a': return this.insertToken(TokenID.INTERSECTION);
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case 's': return this.insertToken(TokenID.UNION);
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case 'd': return this.insertToken(TokenID.NT_DECLARATIVE_EXPR);
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case 'f': return this.insertToken(TokenID.FILTER);
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case 'g': return this.insertToken(TokenID.NT_IMPERATIVE_EXPR);
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case 'z': return this.insertToken(TokenID.LIT_INTSET);
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case 'x': return this.insertToken(TokenID.LIT_EMPTYSET);
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case 'c': return this.insertToken(TokenID.CARD);
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case 'v': return this.insertToken(TokenID.DEBOOL);
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case 'b': return this.insertToken(TokenID.BOOL);
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// `123456
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// ~!@#$%^
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case '`': return this.insertToken(TokenID.NOT);
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case '~': return this.insertToken(TokenID.NOTEQUAL);
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case '1': return this.insertToken(TokenID.IN);
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case '!': return this.insertToken(TokenID.NOTIN); // Alt + 1
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case '2': return this.insertToken(TokenID.SUBSET_OR_EQ);
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case '@': return this.insertToken(TokenID.NOTSUBSET); // Alt + 2
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case '3': return this.insertToken(TokenID.AND);
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case '#': return this.insertToken(TokenID.OR); // Alt + 3
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case '4': return this.insertToken(TokenID.IMPLICATION);
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case '$': return this.insertToken(TokenID.EQUIVALENT); // Alt + 4
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case '5': return this.insertToken(TokenID.SET_MINUS);
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case '%': return this.insertToken(TokenID.SYMMINUS); // Alt + 5
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case '6': return this.insertToken(TokenID.PUNC_ITERATE);
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case '^': return this.insertToken(TokenID.PUNC_ASSIGN); // Alt + 6
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case '7': return this.insertToken(TokenID.SUBSET);
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case '&': return this.insertToken(TokenID.GREATER_OR_EQ); // Alt + 7
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case '8': return this.insertToken(TokenID.MULTIPLY);
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case '*': return this.insertToken(TokenID.LESSER_OR_EQ); // Alt + 8
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case '(': return this.insertToken(TokenID.PUNC_PL); // Alt + 9
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case '[': return this.insertToken(TokenID.PUNC_SL);
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}
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return false;
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}
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}; |