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Factor out handleTabPress and remove passive flag onKeyDown

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This commit is contained in:
Kegan Dougal 2015-12-23 13:48:44 +00:00
parent b80015c69c
commit 82ff5c5e52
1 changed files with 30 additions and 31 deletions
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61
src/TabComplete.js
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@ -132,12 +132,38 @@ class TabComplete {
return peekList; return peekList;
} }
handleTabPress(passive, shiftKey) {
var wasInPassiveMode = this.inPassiveMode && !passive;
console.log(
"handleTabPress passive=%s, shift=%s wasPassive=%s",
passive, shiftKey, wasInPassiveMode
);
this.inPassiveMode = passive;
if (!this.completing) {
this.startTabCompleting();
}
if (shiftKey) {
this.nextMatchedEntry(-1);
}
else {
// if we were in passive mode we got out of sync by incrementing the
// index to show the peek view but not set the text area. Therefore,
// we want to set the *current* index rather than the *next* index.
this.nextMatchedEntry(wasInPassiveMode ? 0 : 1);
}
this._notifyStateChange();
}
/** /**
* @param {DOMEvent} e * @param {DOMEvent} e
*/ */
onKeyDown(ev) { onKeyDown(ev) {
var wasInPassiveMode = this.inPassiveMode && !ev.passive; if (!this.textArea) {
this.inPassiveMode = ev.passive; console.error("onKeyDown called before a <textarea> was set!");
return;
}
if (ev.keyCode !== KEY_TAB) { if (ev.keyCode !== KEY_TAB) {
// pressing any key (except shift, windows, cmd (OSX) and ctrl/alt combinations) // pressing any key (except shift, windows, cmd (OSX) and ctrl/alt combinations)
@ -153,14 +179,7 @@ class TabComplete {
clearTimeout(this.enterTabCompleteTimerId); clearTimeout(this.enterTabCompleteTimerId);
this.enterTabCompleteTimerId = setTimeout(() => { this.enterTabCompleteTimerId = setTimeout(() => {
if (!this.completing) { if (!this.completing) {
// inject a fake tab event so we use the same code paths this.handleTabPress(true, false);
// as much as possible. Add a 'passive' flag to indicate
// that they didn't really hit this key.
this.onKeyDown({
keyCode: KEY_TAB,
passive: true,
preventDefault: function(){} // NOP
})
} }
}, DELAY_TIME_MS); }, DELAY_TIME_MS);
} }
@ -169,30 +188,10 @@ class TabComplete {
} }
// tab key has been pressed at this point // tab key has been pressed at this point
this.handleTabPress(false, ev.shiftKey)
if (!this.textArea) {
console.error("onKeyDown called before a <textarea> was set!");
return;
}
// init struct if necessary
if (!this.completing) {
this.startTabCompleting();
}
if (ev.shiftKey) {
this.nextMatchedEntry(-1);
}
else {
// if we were in passive mode we got out of sync by incrementing the
// index to show the peek view but not set the text area. Therefore,
// we want to set the *current* index rather than the *next* index.
this.nextMatchedEntry(wasInPassiveMode ? 0 : 1);
}
// prevent the default TAB operation (typically focus shifting) // prevent the default TAB operation (typically focus shifting)
ev.preventDefault(); ev.preventDefault();
this._notifyStateChange();
} }
/** /**