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//===========================================
// Lumina-DE source code
// Copyright (c) 2015, Ken Moore
// Available under the 3-clause BSD license
// See the LICENSE file for full details
//===========================================
#include "MainUI.h"
#include "ui_MainUI.h"
#include "syntaxSupport.h"
#include <LuminaXDG.h>
#include <QFileDialog>
#include <QDir>
MainUI::MainUI() : QMainWindow(), ui(new Ui::MainUI){
ui->setupUi(this);
this->setWindowTitle(tr("Text Editor"));
ui->tabWidget->clear();
//Update the menu of available syntax highlighting modes
QStringList smodes = Custom_Syntax::availableRules();
for(int i=0; i<smodes.length(); i++){
ui->menuSyntax_Highlighting->addAction(smodes[i]);
}
//Setup any connections
connect(ui->actionClose, SIGNAL(triggered()), this, SLOT(close()) );
connect(ui->actionNew_File, SIGNAL(triggered()), this, SLOT(NewFile()) );
connect(ui->actionOpen_File, SIGNAL(triggered()), this, SLOT(OpenFile()) );
connect(ui->actionSave_File, SIGNAL(triggered()), this, SLOT(SaveFile()) );
connect(ui->actionSave_File_As, SIGNAL(triggered()), this, SLOT(SaveFileAs()) );
connect(ui->menuSyntax_Highlighting, SIGNAL(triggered(QAction*)), this, SLOT(UpdateHighlighting(QAction*)) );
connect(ui->tabWidget, SIGNAL(currentChanged(int)), this, SLOT(tabChanged()) );
connect(ui->tabWidget, SIGNAL(tabCloseRequested(int)), this, SLOT(tabClosed(int)) );
connect(ui->actionLine_Numbers, SIGNAL(toggled(bool)), this, SLOT(showLineNumbers(bool)) );
updateIcons();
}
MainUI::~MainUI(){
}
void MainUI::LoadArguments(QStringList args){ //CLI arguments
for(int i=0; i<args.length(); i++){
}
/*if(ui->tabWidget->count()<1){
NewFile();
}*/
}
// =================
// PUBLIC SLOTS
//=================
void MainUI::updateIcons(){
ui->actionClose->setIcon(LXDG::findIcon("application-exit") );
ui->actionNew_File->setIcon(LXDG::findIcon("document-new") );
ui->actionOpen_File->setIcon(LXDG::findIcon("document-open") );
ui->actionSave_File->setIcon(LXDG::findIcon("document-save") );
ui->actionSave_File_As->setIcon(LXDG::findIcon("document-save-as") );
ui->menuSyntax_Highlighting->setIcon( LXDG::findIcon("format-text-color") );
}
// =================
// PRIVATE
//=================
PlainTextEditor* MainUI::currentEditor(){
if(ui->tabWidget->count()<1){ return 0; }
return static_cast<PlainTextEditor*>( ui->tabWidget->currentWidget() );
}
QString MainUI::currentFileDir(){
PlainTextEditor* cur = currentEditor();
QString dir;
if(cur!=0){
if(cur->currentFile().startsWith("/")){
dir = cur->currentFile().section("/",0,-2);
}
}
return dir;
}
// =================
// PRIVATE SLOTS
//=================
//Main Actions
void MainUI::NewFile(){
OpenFile("New-"+QString::number(ui->tabWidget->count()+1));
}
void MainUI::OpenFile(QString file){
QStringList files;
if(file.isEmpty()){
//Prompt for a file to open
files = QFileDialog::getOpenFileNames(this, tr("Open File(s)"), currentFileDir(), tr("Text Files (*)") );
if(files.isEmpty()){ return; } //cancelled
}else{
files << file;
}
for(int i=0; i<files.length(); i++){
PlainTextEditor *edit = new PlainTextEditor(this);
connect(edit, SIGNAL(FileLoaded(QString)), this, SLOT(updateTab(QString)) );
connect(edit, SIGNAL(UnsavedChanges(QString)), this, SLOT(updateTab(QString)) );
ui->tabWidget->addTab(edit, files[i].section("/",-1));
edit->showLineNumbers(ui->actionLine_Numbers->isChecked());
ui->tabWidget->setCurrentWidget(edit);
edit->LoadFile(files[i]);
edit->setFocus();
QApplication::processEvents(); //to catch the fileLoaded() signal
}
}
void MainUI::SaveFile(){
PlainTextEditor *cur = currentEditor();
if(cur==0){ return; }
cur->SaveFile();
}
void MainUI::SaveFileAs(){
PlainTextEditor *cur = currentEditor();
if(cur==0){ return; }
cur->SaveFile(true);
}
void MainUI::UpdateHighlighting(QAction *act){
PlainTextEditor *cur = currentEditor();
if(cur==0){ return; }
cur->LoadSyntaxRule(act->text());
}
void MainUI::showLineNumbers(bool show){
for(int i=0; i<ui->tabWidget->count(); i++){
PlainTextEditor *edit = static_cast<PlainTextEditor*>(ui->tabWidget->widget(i));
edit->showLineNumbers(show);
}
}
void MainUI::updateTab(QString file){
PlainTextEditor *cur = currentEditor();
if(cur==0){ return; } //should never happen
int index = ui->tabWidget->currentIndex();
if(index<0){ index = 0; } //FALLBACK - use the first tab
bool changes = cur->hasChange();
ui->tabWidget->setTabText(index,(changes ? "*" : "") + file.section("/",-1));
ui->actionSave_File->setEnabled(changes);
ui->actionSave_File_As->setEnabled(changes);
}
void MainUI::tabChanged(){
//update the buttons/menus based on the current widget
PlainTextEditor *cur = currentEditor();
if(cur==0){ return; } //should never happen though
bool changes = cur->hasChange();
ui->actionSave_File->setEnabled(changes);
ui->actionSave_File_As->setEnabled(changes);
}
void MainUI::tabClosed(int tab){
PlainTextEditor *edit = static_cast<PlainTextEditor*>(ui->tabWidget->widget(tab));
if(edit==0){ return; } //should never happen
if(edit->hasChange()){
//Verify if the user wants to lose any unsaved changes
}
ui->tabWidget->removeTab(tab);
edit->deleteLater();
}
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