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restore caret after breakpoint click

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This commit is contained in:
LenAnderson
2024-06-25 16:56:28 -04:00
parent 17e794b718
commit adc54e7f22
1 changed files with 42 additions and 4 deletions
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46
public/scripts/extensions/quick-reply/src/QuickReply.js
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@ -393,20 +393,56 @@ export class QuickReply {
const v = `${message.value.slice(0, start)}${message.value.slice(end)}`;
message.value = v;
message.dispatchEvent(new Event('input', { bubbles:true }));
let postStart = preBreakPointStart;
let postEnd = preBreakPointEnd;
// set caret back to where it was
if (preBreakPointStart <= start) {
// do nothing
} else if (preBreakPointStart > start && preBreakPointEnd < end) {
// selection start was inside breakpoint: move to index before breakpoint
postStart = start;
} else if (preBreakPointStart >= end) {
// selection was behind breakpoint: move back by length of removed string
postStart = preBreakPointStart - (end - start);
}
if (preBreakPointEnd <= start) {
// do nothing
} else if (preBreakPointEnd > start && preBreakPointEnd < end) {
// selection start was inside breakpoint: move to index before breakpoint
postEnd = start;
} else if (preBreakPointEnd >= end) {
// selection was behind breakpoint: move back by length of removed string
postEnd = preBreakPointEnd - (end - start);
}
return { start:postStart, end:postEnd };
};
let preBreakPointStart;
let preBreakPointEnd;
message.addEventListener('pointerdown', (evt)=>{
if (!evt.ctrlKey || !evt.altKey) return;
preBreakPointStart = message.selectionStart;
preBreakPointEnd = message.selectionEnd;
});
message.addEventListener('pointerup', async(evt)=>{
if (!evt.ctrlKey || !evt.altKey || message.selectionStart != message.selectionEnd) return;
const idx = message.selectionStart;
let postStart = preBreakPointStart;
let postEnd = preBreakPointEnd;
const parser = new SlashCommandParser();
parser.parse(message.value, false);
const cmdIdx = parser.commandIndex.findLastIndex(it=>it.start <= message.selectionStart && it.end >= message.selectionStart);
const cmdIdx = parser.commandIndex.findLastIndex(it=>it.start <= idx && it.end >= idx);
if (cmdIdx > -1) {
const cmd = parser.commandIndex[cmdIdx];
if (cmd instanceof SlashCommandBreakPoint) {
const bp = cmd;
removeBreakpoint(bp);
const { start, end } = removeBreakpoint(bp);
postStart = start;
postEnd = end;
} else if (parser.commandIndex[cmdIdx - 1] instanceof SlashCommandBreakPoint) {
const bp = parser.commandIndex[cmdIdx - 1];
removeBreakpoint(bp);
const { start, end } = removeBreakpoint(bp);
postStart = start;
postEnd = end;
} else {
// start at -1 because "/" is not included in start-end
let start = cmd.start - 1;
@ -421,12 +457,14 @@ export class QuickReply {
// if newline before indent, include the newline
if (message.value[start - 1] == '\n') {
start--;
indent += `\n${indent}`;
indent = `\n${indent}`;
}
const v = `${message.value.slice(0, start)}${indent}/breakpoint |${message.value.slice(start)}`;
message.value = v;
message.dispatchEvent(new Event('input', { bubbles:true }));
}
message.selectionStart = postStart;
message.selectionEnd = postEnd;
}
});
/** @type {any} */