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OpenBoard/src/gui/UBTeacherGuideWidget.cpp

501 lines
19 KiB

/*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <QDebug>
#include <QLabel>
#include <QVBoxLayout>
#include <QHeaderView>
#include <QTreeWidget>
#include <QPushButton>
#include "UBTeacherGuideWidget.h"
#include "core/UBApplication.h"
#include "globals/UBGlobals.h"
#include "board/UBBoardController.h"
#include "board/UBBoardView.h"
#include "board/UBBoardPaletteManager.h"
#include "gui/UBStylusPalette.h"
#include "gui/UBActionPalette.h"
#include "web/UBWebController.h"
#define UBTG_SEPARATOR_FIXED_HEIGHT 3
/***************************************************************************
* class UBTeacherGuideEditionWidget *
***************************************************************************/
UBTeacherGuideEditionWidget::UBTeacherGuideEditionWidget(QWidget *parent, const char* name) :
QWidget(parent)
, mpLayout(NULL)
, mpDocumentTitle(NULL)
, mpPageNumberLabel(NULL)
, mpPageTitle(NULL)
, mpComment(NULL)
, mpSeparator(NULL)
, mpTreeWidget(NULL)
, mpRootWidgetItem(NULL)
, mpAddAnActionItem(NULL)
, mpAddAMediaItem(NULL)
, mpAddALinkItem(NULL)
, mpTreeDelegate(NULL)
{
setObjectName(name);
mpLayout = new QVBoxLayout(this);
mpPageNumberLabel = new QLabel(this);
mpPageNumberLabel->setAlignment(Qt::AlignRight);
mpPageNumberLabel->setObjectName("UBTGEditionPageNumberLabel");
mpLayout->addWidget(mpPageNumberLabel);
// tree basic configuration
mpDocumentTitle = new QLabel(this);
mpDocumentTitle->setText("Document title");
mpDocumentTitle->setObjectName("UBTGEditionDocumentTitle");
mpLayout->addWidget(mpDocumentTitle);
mpPageTitle = new UBTGAdaptableText(0,this);
mpPageTitle->setObjectName("UBTGEditionPageTitle");
mpPageTitle->setPlaceHolderText(tr("Type title here ..."));
mpLayout->addWidget(mpPageTitle);
mpComment = new UBTGAdaptableText(0,this);
mpComment->setObjectName("UBTGEditionComment");
mpComment->setPlaceHolderText(tr("Type comment here ..."));
mpLayout->addWidget(mpComment);
mpSeparator = new QFrame(this);
mpSeparator->setObjectName("UBTGEditionSeparator");
mpSeparator->setFixedHeight(UBTG_SEPARATOR_FIXED_HEIGHT);
mpLayout->addWidget(mpSeparator);
mpTreeWidget = new QTreeWidget(this);
mpLayout->addWidget(mpTreeWidget);
mpTreeDelegate = new UBTGWidgetTreeDelegate();
mpRootWidgetItem = mpTreeWidget->invisibleRootItem();
//mpTreeWidget->setItemDelegate(mpTreeDelegate);
mpTreeWidget->setRootIsDecorated(false);
mpTreeWidget->setIndentation(0);
mpTreeWidget->setDropIndicatorShown(false);
mpTreeWidget->header()->close();
mpTreeWidget->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
mpTreeWidget->setColumnCount(2);
mpTreeWidget->header()->setStretchLastSection(false);
mpTreeWidget->header()->setResizeMode(0, QHeaderView::Stretch);
mpTreeWidget->header()->setResizeMode(1, QHeaderView::Fixed);
mpTreeWidget->header()->setDefaultSectionSize(18);
connect(mpTreeWidget,SIGNAL(itemClicked(QTreeWidgetItem*,int)),this,SLOT(onAddItemClicked(QTreeWidgetItem*,int)));
connect(UBApplication::boardController,SIGNAL(activeSceneChanged()),this,SLOT(onActiveSceneChanged()));
mpAddAnActionItem = new UBAddItem(tr("Add an action"),eUBTGAddSubItemWidgetType_Action,mpTreeWidget);
mpAddAMediaItem = new UBAddItem(tr("Add a media"),eUBTGAddSubItemWidgetType_Media,mpTreeWidget);
mpAddALinkItem = new UBAddItem(tr("Add a link"),eUBTGAddSubItemWidgetType_Url,mpTreeWidget);
mpRootWidgetItem->addChild(mpAddAnActionItem);
mpRootWidgetItem->addChild(mpAddAMediaItem);
mpRootWidgetItem->addChild(mpAddALinkItem);
}
UBTeacherGuideEditionWidget::~UBTeacherGuideEditionWidget()
{
DELETEPTR(mpDocumentTitle);
DELETEPTR(mpPageNumberLabel);
DELETEPTR(mpPageTitle);
DELETEPTR(mpComment);
DELETEPTR(mpSeparator);
DELETEPTR(mpAddAnActionItem);
DELETEPTR(mpAddAMediaItem);
DELETEPTR(mpAddALinkItem);
DELETEPTR(mpTreeDelegate);
DELETEPTR(mpTreeWidget)
DELETEPTR(mpLayout);
}
void UBTeacherGuideEditionWidget::showEvent(QShowEvent* event)
{
mpPageTitle->setFocus();
mpComment->setFocus();
setFocus();
QWidget::showEvent(event);
}
void UBTeacherGuideEditionWidget::onActiveSceneChanged()
{
cleanData();
mpPageNumberLabel->setText(tr("Page: %0").arg(UBApplication::boardController->activeSceneIndex() + 1));
}
void UBTeacherGuideEditionWidget::cleanData()
{
mpPageTitle->setText("");
mpComment->setText("");
QList<QTreeWidgetItem*> children = mpAddAnActionItem->takeChildren();
children << mpAddAMediaItem->takeChildren();
children << mpAddALinkItem->takeChildren();
foreach(QTreeWidgetItem* item, children){
DELETEPTR(item);
}
}
QList<QTreeWidgetItem*> UBTeacherGuideEditionWidget::getChildrenList(QTreeWidgetItem* widgetItem)
{
QList<QTreeWidgetItem*>result;
for(int i=0;i<widgetItem->childCount();i+=1)
result << widgetItem->child(i);
return result;
}
QVector<tUBGEElementNode*> UBTeacherGuideEditionWidget::getPageAndCommentData()
{
QVector<tUBGEElementNode*>result;
tUBGEElementNode* pageTitle = new tUBGEElementNode();
pageTitle->type = "pageTitle";
pageTitle->attributes.insert("value",mpPageTitle->text());
result << pageTitle;
tUBGEElementNode* comment = new tUBGEElementNode();
comment->type = "comment";
comment->attributes.insert("value",mpComment->text());
result << comment;
return result;
}
QVector<tUBGEElementNode*> UBTeacherGuideEditionWidget::getData()
{
QVector<tUBGEElementNode*>result;
QList<QTreeWidgetItem*> children = getChildrenList(mpAddAnActionItem);
children << getChildrenList(mpAddAMediaItem);
children << getChildrenList(mpAddALinkItem);
result << getPageAndCommentData();
foreach(QTreeWidgetItem* widgetItem, children){
tUBGEElementNode* node = dynamic_cast<iUBTGSavableData*>(mpTreeWidget->itemWidget(widgetItem,0))->saveData();
if(node)
result << node;
}
return result;
}
void UBTeacherGuideEditionWidget::onAddItemClicked(QTreeWidgetItem* widget, int column)
{
int addSubItemWidgetType = widget->data(column,Qt::UserRole).toInt();
if(column == 0 && addSubItemWidgetType != eUBTGAddSubItemWidgetType_None){
QTreeWidgetItem* newWidgetItem = new QTreeWidgetItem(widget);
newWidgetItem->setData(column,Qt::UserRole,eUBTGAddSubItemWidgetType_None);
newWidgetItem->setData(1,Qt::UserRole,eUBTGAddSubItemWidgetType_None);
newWidgetItem->setIcon(1,QIcon(":images/close.svg"));
switch(addSubItemWidgetType)
{
case eUBTGAddSubItemWidgetType_Action:
mpTreeWidget->setItemWidget(newWidgetItem,0,new UBTGActionWidget(widget));
break;
case eUBTGAddSubItemWidgetType_Media:
mpTreeWidget->setItemWidget(newWidgetItem,0,new UBTGMediaWidget(widget));
break;
case eUBTGAddSubItemWidgetType_Url:
mpTreeWidget->setItemWidget(newWidgetItem,0,new UBTGUrlWidget());
break;
default:
delete newWidgetItem;
qCritical() << "onAddItemClicked no action set";
return;
}
if(addSubItemWidgetType != eUBTGAddSubItemWidgetType_None && !widget->isExpanded() )
widget->setExpanded(true);
else{
//to update the tree and subtrees
widget->setExpanded(false);
widget->setExpanded(true);
}
}
else if(column == 1 && addSubItemWidgetType == eUBTGAddSubItemWidgetType_None){
int index = mpTreeWidget->currentIndex().row();
QTreeWidgetItem* toBeDeletedWidgetItem = widget->parent()->takeChild(index);
delete toBeDeletedWidgetItem;
}
}
/***************************************************************************
* class UBTeacherGuidePresentationWidget *
***************************************************************************/
typedef enum
{
tUBTGActionAssociateOnClickItem_NONE,
tUBTGActionAssociateOnClickItem_URL,
tUBTGActionAssociateOnClickItem_MEDIA,
tUBTGActionAssociateOnClickItem_EXPAND
}tUBTGActionAssociateOnClickItem;
typedef enum
{
tUBTGTreeWidgetItemRole_HasAnAction = Qt::UserRole,
tUBTGTreeWidgetItemRole_HasAnUrl
}tUBTGTreeWidgetItemRole;
UBTeacherGuidePresentationWidget::UBTeacherGuidePresentationWidget(QWidget *parent, const char *name) : QWidget(parent)
, mpPageTitle(NULL)
, mpComment(NULL)
, mpLayout(NULL)
, mpButtonTitleLayout(NULL)
, mpDocumentTitle(NULL)
, mpPageNumberLabel(NULL)
, mpSeparator(NULL)
, mpModePushButton(NULL)
, mpTreeWidget(NULL)
, mpRootWidgetItem(NULL)
, mpMediaSwitchItem(NULL)
{
setObjectName(name);
mpLayout = new QVBoxLayout(this);
mpPageNumberLabel = new QLabel(this);
mpPageNumberLabel->setAlignment(Qt::AlignRight);
mpPageNumberLabel->setObjectName("UBTGPresentationPageNumberLabel");
mpLayout->addWidget(mpPageNumberLabel);
mpButtonTitleLayout = new QHBoxLayout(0);
mpModePushButton = new QPushButton(this);
mpModePushButton->setIcon(QIcon(":images/pencil.svg"));
mpModePushButton->setMaximumWidth(32);
connect(mpModePushButton,SIGNAL(clicked()),parentWidget(),SLOT(changeMode()));
mpDocumentTitle = new QLabel(this);
mpDocumentTitle->setObjectName("UBTGPresentationDocumentTitle");
mpDocumentTitle->setText(tr("Document title"));
mpButtonTitleLayout->addWidget(mpModePushButton);
mpButtonTitleLayout->addWidget(mpDocumentTitle);
mpLayout->addLayout(mpButtonTitleLayout);
mpPageTitle = new UBTGAdaptableText(0,this);
mpPageTitle->setObjectName("UBTGPresentationPageTitle");
mpPageTitle->setReadOnly(true);
mpPageTitle->setStyleSheet("background-color:transparent");
mpLayout->addWidget(mpPageTitle);
mpComment = new UBTGAdaptableText(0,this);
mpComment->setObjectName("UBTGPresentationComment");
mpComment->setReadOnly(true);
mpComment->setStyleSheet("background-color:transparent");
mpLayout->addWidget(mpComment);
mpSeparator = new QFrame(this);
mpSeparator->setFixedHeight(UBTG_SEPARATOR_FIXED_HEIGHT);
mpSeparator->setObjectName("UBTGPresentationSepartor");
mpLayout->addWidget(mpSeparator);
mpTreeWidget = new QTreeWidget(this);
mpLayout->addWidget(mpTreeWidget);
mpRootWidgetItem = mpTreeWidget->invisibleRootItem();
mpTreeWidget->setRootIsDecorated(false);
mpTreeWidget->setIndentation(0);
mpTreeWidget->setDropIndicatorShown(false);
mpTreeWidget->header()->close();
mpTreeWidget->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
connect(mpTreeWidget,SIGNAL(itemClicked(QTreeWidgetItem*,int)),this,SLOT(onAddItemClicked(QTreeWidgetItem*,int)));
connect(UBApplication::boardController,SIGNAL(activeSceneChanged()),this,SLOT(onActiveSceneChanged()));
}
UBTeacherGuidePresentationWidget::~UBTeacherGuidePresentationWidget()
{
DELETEPTR(mpComment);
DELETEPTR(mpPageTitle);
DELETEPTR(mpPageNumberLabel);
DELETEPTR(mpSeparator);
DELETEPTR(mpMediaSwitchItem);
DELETEPTR(mpModePushButton);
DELETEPTR(mpDocumentTitle);
DELETEPTR(mpButtonTitleLayout);
DELETEPTR(mpTreeWidget);
DELETEPTR(mpLayout);
}
void UBTeacherGuidePresentationWidget::cleanData()
{
mpPageTitle->showText("");
mpComment->showText("");
//tree clean
QList<QTreeWidgetItem*> itemToRemove = mpRootWidgetItem->takeChildren();
foreach(QTreeWidgetItem* eachItem, itemToRemove){
DELETEPTR(eachItem);
}
// the mpMediaSwitchItem is deleted by the previous loop but the pointer is not set to zero
mpMediaSwitchItem = NULL;
}
void UBTeacherGuidePresentationWidget::onActiveSceneChanged()
{
cleanData();
mpPageNumberLabel->setText(tr("Page: %0").arg(UBApplication::boardController->activeSceneIndex() + 1));
}
void UBTeacherGuidePresentationWidget::createMediaButtonItem()
{
if(!mpMediaSwitchItem){
//create the media button
mpMediaSwitchItem = new QTreeWidgetItem(mpRootWidgetItem);
//mpMediaSwitchItem->setIcon(0,QIcon(":images/plus.svg"));
mpMediaSwitchItem->setText(0,"+");
mpMediaSwitchItem->setExpanded(false);
mpMediaSwitchItem->setData(0,tUBTGTreeWidgetItemRole_HasAnAction,tUBTGActionAssociateOnClickItem_EXPAND);
mpMediaSwitchItem->setData(0,Qt::BackgroundRole,QVariant(QColor(200,200,200)));
mpMediaSwitchItem->setData(0,Qt::FontRole, QVariant(QFont(QApplication::font().family(),16)));
mpMediaSwitchItem->setData(0,Qt::TextAlignmentRole,QVariant(Qt::AlignCenter));
mpRootWidgetItem->addChild(mpMediaSwitchItem);
}
}
void UBTeacherGuidePresentationWidget::showData(QVector<tUBGEElementNode*> data)
{
cleanData();
foreach(tUBGEElementNode* element, data){
if(element->type == "pageTitle")
mpPageTitle->showText(element->attributes.value("value"));
else if (element->type == "comment")
mpComment->showText(element->attributes.value("value"));
else if(element->type == "action"){
QTreeWidgetItem* newWidgetItem = new QTreeWidgetItem(mpRootWidgetItem);
newWidgetItem->setText(0,element->attributes.value("task"));
QColor color = element->attributes.value("owner").toInt() == 0 ? QColor(Qt::red):QColor(Qt::green);
newWidgetItem->setData(0,Qt::ForegroundRole,QBrush(color));
newWidgetItem->setData(0,tUBTGTreeWidgetItemRole_HasAnAction,tUBTGActionAssociateOnClickItem_NONE);
newWidgetItem->setData(0,Qt::FontRole, QVariant(QFont(QApplication::font().family(),11)));
mpRootWidgetItem->addChild(newWidgetItem);
}
else if(element->type == "media"){
createMediaButtonItem();
QTreeWidgetItem* newWidgetItem = new QTreeWidgetItem(mpMediaSwitchItem);
newWidgetItem->setIcon(0,QIcon(":images/teacherGuide/"+ element->attributes.value("mediaType") +".png"));
newWidgetItem->setText(0,element->attributes.value("title"));
newWidgetItem->setData(0,tUBTGTreeWidgetItemRole_HasAnAction,tUBTGActionAssociateOnClickItem_MEDIA);
newWidgetItem->setData(0,Qt::FontRole, QVariant(QFont(QApplication::font().family(),11)));
mpRootWidgetItem->addChild(newWidgetItem);
QTreeWidgetItem* mediaItem = new QTreeWidgetItem(newWidgetItem);
//mediaItem->setBackground(0,QBrush(QColor("#EEEEEF")));
mediaItem->setData(0,tUBTGTreeWidgetItemRole_HasAnAction,tUBTGActionAssociateOnClickItem_NONE);
UBTGMediaWidget* mediaWidget = new UBTGMediaWidget(element->attributes.value("relativePath"),newWidgetItem);
newWidgetItem->setExpanded(false);
mpTreeWidget->setItemWidget(mediaItem,0,mediaWidget);
}
else if(element->type == "link"){
createMediaButtonItem();
QTreeWidgetItem* newWidgetItem = new QTreeWidgetItem(mpMediaSwitchItem);
newWidgetItem->setIcon(0,QIcon(":images/teacherGuide/link.png"));
newWidgetItem->setText(0,element->attributes.value("title"));
newWidgetItem->setData(0,tUBTGTreeWidgetItemRole_HasAnAction,tUBTGActionAssociateOnClickItem_URL);
newWidgetItem->setData(0,tUBTGTreeWidgetItemRole_HasAnUrl,QVariant(element->attributes.value("url")));
newWidgetItem->setData(0,Qt::FontRole, QVariant(QFont(QApplication::font().family(),11)));
mpRootWidgetItem->addChild(newWidgetItem);
}
}
}
void UBTeacherGuidePresentationWidget::onAddItemClicked(QTreeWidgetItem* widget, int column)
{
int associateAction = widget->data(column,tUBTGTreeWidgetItemRole_HasAnAction).toInt();
if(column == 0 && associateAction != tUBTGActionAssociateOnClickItem_NONE){
switch(associateAction)
{
case tUBTGActionAssociateOnClickItem_EXPAND:
widget->setExpanded(!widget->isExpanded());
if(widget->isExpanded())
mpMediaSwitchItem->setText(0,"-");
else
mpMediaSwitchItem->setText(0,"+");
break;
case tUBTGActionAssociateOnClickItem_URL:
widget->data(column,tUBTGTreeWidgetItemRole_HasAnUrl).toString();
UBApplication::webController->loadUrl(QUrl(widget->data(column,tUBTGTreeWidgetItemRole_HasAnUrl).toString()));
break;
case tUBTGActionAssociateOnClickItem_MEDIA:
widget->setExpanded(!widget->isExpanded());
break;
default:
qDebug() << "associateAction no action set " << associateAction;
}
}
}
/***************************************************************************
* class UBTeacherGuideWidget *
***************************************************************************/
UBTeacherGuideWidget::UBTeacherGuideWidget(QWidget *parent, const char *name): QStackedWidget(parent)
, mpEditionWidget(NULL)
, mpPresentationWidget(NULL)
{
setObjectName(name);
mpEditionWidget = new UBTeacherGuideEditionWidget(this);
addWidget(mpEditionWidget);
mpPresentationWidget = new UBTeacherGuidePresentationWidget(this);
addWidget(mpPresentationWidget);
setCurrentWidget(mpPresentationWidget);
connect(UBApplication::boardController->controlView(),SIGNAL(clickOnBoard()),this,SLOT(showPresentationMode()));
connectToStylusPalette();
}
UBTeacherGuideWidget::~UBTeacherGuideWidget()
{
DELETEPTR(mpEditionWidget);
DELETEPTR(mpPresentationWidget);
}
void UBTeacherGuideWidget::connectToStylusPalette()
{
if(UBApplication::boardController->paletteManager())
connect(UBApplication::boardController->paletteManager()->stylusPalette(),SIGNAL(itemOnActionPaletteChanged()),this,SLOT(showPresentationMode()));
else
QTimer::singleShot(500,this,SLOT(connectToStylusPalette()));
}
void UBTeacherGuideWidget::showPresentationMode()
{
if(currentWidget()!=mpPresentationWidget){
mCurrentData = mpEditionWidget->getData();
mpPresentationWidget->showData(mCurrentData);
setCurrentWidget(mpPresentationWidget);
}
}
void UBTeacherGuideWidget::changeMode()
{
if(currentWidget() == mpEditionWidget)
setCurrentWidget(mpPresentationWidget);
else
setCurrentWidget(mpEditionWidget);
}