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Merge pull request #10798 from humbletim/add-persistent-console-history

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Save JS "Console..." history across sessions
This commit is contained in:
Chris Collins 2017-07-24 09:24:04 -07:00 committed by GitHub
commit ceb218f4cc
2 changed files with 34 additions and 8 deletions
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41
interface/src/ui/JSConsole.cpp
View file

@ -24,13 +24,14 @@
#include "ScriptHighlighting.h"
const int NO_CURRENT_HISTORY_COMMAND = -1;
const int MAX_HISTORY_SIZE = 64;
const int MAX_HISTORY_SIZE = 256;
const QString HISTORY_FILENAME = "JSConsole.history.json";
const QString COMMAND_STYLE = "color: #266a9b;";
const QString RESULT_SUCCESS_STYLE = "color: #677373;";
const QString RESULT_INFO_STYLE = "color: #223bd1;";
const QString RESULT_WARNING_STYLE = "color: #d13b22;";
const QString RESULT_WARNING_STYLE = "color: #999922;";
const QString RESULT_ERROR_STYLE = "color: #d13b22;";
const QString GUTTER_PREVIOUS_COMMAND = "<span style=\"color: #57b8bb;\">&lt;</span>";
@ -38,14 +39,35 @@ const QString GUTTER_ERROR = "<span style=\"color: #d13b22;\">X</span>";
const QString JSConsole::_consoleFileName { "about:console" };
const QString JSON_KEY = "entries";
QList<QString> _readLines(const QString& filename) {
QFile file(filename);
file.open(QFile::ReadOnly);
auto json = QTextStream(&file).readAll().toUtf8();
auto root = QJsonDocument::fromJson(json).object();
// TODO: check root["version"]
return root[JSON_KEY].toVariant().toStringList();
}
void _writeLines(const QString& filename, const QList<QString>& lines) {
QFile file(filename);
file.open(QFile::WriteOnly);
auto root = QJsonObject();
root["version"] = 1.0;
root["last-modified"] = QDateTime::currentDateTime().toTimeSpec(Qt::OffsetFromUTC).toString(Qt::ISODate);
root[JSON_KEY] = QJsonArray::fromStringList(lines);
auto json = QJsonDocument(root).toJson();
QTextStream(&file) << json;
}
JSConsole::JSConsole(QWidget* parent, ScriptEngine* scriptEngine) :
QWidget(parent),
_ui(new Ui::Console),
_currentCommandInHistory(NO_CURRENT_HISTORY_COMMAND),
_commandHistory(),
_savedHistoryFilename(QStandardPaths::writableLocation(QStandardPaths::DataLocation) + "/" + HISTORY_FILENAME),
_commandHistory(_readLines(_savedHistoryFilename)),
_ownScriptEngine(scriptEngine == NULL),
_scriptEngine(NULL) {
_ui->setupUi(this);
_ui->promptTextEdit->setLineWrapMode(QTextEdit::NoWrap);
_ui->promptTextEdit->setWordWrapMode(QTextOption::NoWrap);
@ -101,9 +123,12 @@ void JSConsole::setScriptEngine(ScriptEngine* scriptEngine) {
}
void JSConsole::executeCommand(const QString& command) {
_commandHistory.prepend(command);
if (_commandHistory.length() > MAX_HISTORY_SIZE) {
_commandHistory.removeLast();
if (_commandHistory.isEmpty() || _commandHistory.constFirst() != command) {
_commandHistory.prepend(command);
if (_commandHistory.length() > MAX_HISTORY_SIZE) {
_commandHistory.removeLast();
}
_writeLines(_savedHistoryFilename, _commandHistory);
}
_ui->promptTextEdit->setDisabled(true);
@ -182,7 +207,7 @@ bool JSConsole::eventFilter(QObject* sender, QEvent* event) {
// a new QTextBlock isn't created.
keyEvent->setModifiers(keyEvent->modifiers() & ~Qt::ShiftModifier);
} else {
QString command = _ui->promptTextEdit->toPlainText().trimmed();
QString command = _ui->promptTextEdit->toPlainText().replace("\r\n","\n").trimmed();
if (!command.isEmpty()) {
QTextCursor cursor = _ui->promptTextEdit->textCursor();

1
interface/src/ui/JSConsole.h
View file

@ -63,6 +63,7 @@ private:
QFutureWatcher<QScriptValue> _executeWatcher;
Ui::Console* _ui;
int _currentCommandInHistory;
QString _savedHistoryFilename;
QList<QString> _commandHistory;
// Keeps track if the script engine is created inside the JSConsole
bool _ownScriptEngine;