properties/captions/itemdescedittab_p.cpp

0001 /* ============================================================
0002  *
0003  * This file is a part of digiKam project
0004  * https://www.digikam.org
0005  *
0006  * Date        : 2003-03-09
0007  * Description : Captions, Tags, and Rating properties editor - private container
0008  *
0009  * SPDX-FileCopyrightText: 2003-2005 by Renchi Raju <renchi dot raju at gmail dot com>
0010  * SPDX-FileCopyrightText: 2003-2024 by Gilles Caulier <caulier dot gilles at gmail dot com>
0011  * SPDX-FileCopyrightText: 2006-2011 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
0012  * SPDX-FileCopyrightText: 2009-2011 by Andi Clemens <andi dot clemens at gmail dot com>
0013  * SPDX-FileCopyrightText: 2009-2011 by Johannes Wienke <languitar at semipol dot de>
0014  * SPDX-FileCopyrightText: 2015      by Veaceslav Munteanu <veaceslav dot munteanu90 at gmail dot com>
0015  *
0016  * SPDX-License-Identifier: GPL-2.0-or-later
0017  *
0018  * ============================================================ */
0019
0020 #include "itemdescedittab_p.h"
0021
0022 namespace Digikam
0023 {
0024
0025 ItemDescEditTab::Private::Private(ItemDescEditTab* const tab)
0026     : modified                    (false),
0027       ignoreItemAttributesWatch   (false),
0028       revertBtn                   (nullptr),
0029       moreMenu                    (nullptr),
0030       applyBtn                    (nullptr),
0031       moreButton                  (nullptr),
0032       applyToAllVersionsButton    (nullptr),
0033       lastSelectedWidget          (nullptr),
0034       titleEdit                   (nullptr),
0035       captionsEdit                (nullptr),
0036       dateTimeEdit                (nullptr),
0037       tabWidget                   (nullptr),
0038       templateSelector            (nullptr),
0039       templateViewer              (nullptr),
0040       ratingWidget                (nullptr),
0041       colorLabelSelector          (nullptr),
0042       pickLabelSelector           (nullptr),
0043       hub                         (nullptr),
0044       metadataChangeTimer         (nullptr),
0045       togglingTagsSearchSettings  (false),
0046       ignoreTagChanges            (false),
0047       recentTagsBtn               (nullptr),
0048       assignedTagsBtn             (nullptr),
0049       openTagMngr                 (nullptr),
0050       tagsSearchBar               (nullptr),
0051       newTagEdit                  (nullptr),
0052       tagCheckView                (nullptr),
0053       tagModel                    (nullptr),
0054       q                           (tab)
0055 {
0056     spacing = qMin(QApplication::style()->pixelMetric(QStyle::PM_LayoutHorizontalSpacing),
0057                    QApplication::style()->pixelMetric(QStyle::PM_LayoutVerticalSpacing));
0058 }
0059
0060 void ItemDescEditTab::Private::setupConnections()
0061 {
0062     QObject::connect(titleEdit, SIGNAL(signalModified(QString,QString)),
0063                      q, SLOT(slotTitleChanged()));
0064
0065     QObject::connect(titleEdit, SIGNAL(signalValueAdded(QString,QString)),
0066                      q, SLOT(slotTitleChanged()));
0067
0068     QObject::connect(titleEdit, SIGNAL(signalValueDeleted(QString)),
0069                      q, SLOT(slotTitleChanged()));
0070
0071     QObject::connect(captionsEdit, SIGNAL(signalModified()),
0072                      q, SLOT(slotCommentChanged()));
0073
0074     QObject::connect(dateTimeEdit, SIGNAL(dateTimeChanged(QDateTime)),
0075                      q, SLOT(slotDateTimeChanged(QDateTime)));
0076
0077     QObject::connect(pickLabelSelector, SIGNAL(signalPickLabelChanged(int)),
0078                      q, SLOT(slotPickLabelChanged(int)));
0079
0080     QObject::connect(colorLabelSelector, SIGNAL(signalColorLabelChanged(int)),
0081                      q, SLOT(slotColorLabelChanged(int)));
0082
0083     QObject::connect(ratingWidget, SIGNAL(signalRatingChanged(int)),
0084                      q, SLOT(slotRatingChanged(int)));
0085
0086     QObject::connect(templateSelector, SIGNAL(signalTemplateSelected()),
0087                      q, SLOT(slotTemplateSelected()));
0088
0089     QObject::connect(applyBtn, SIGNAL(clicked()),
0090                      q, SLOT(slotApplyAllChanges()));
0091
0092     QObject::connect(applyToAllVersionsButton, SIGNAL(clicked()),
0093                      q, SLOT(slotApplyChangesToAllVersions()));
0094
0095     QObject::connect(revertBtn, SIGNAL(clicked()),
0096                      q, SLOT(slotRevertAllChanges()));
0097
0098     QObject::connect(moreMenu, SIGNAL(aboutToShow()),
0099                      q, SLOT(slotMoreMenu()));
0100
0101     QObject::connect(metadataChangeTimer, SIGNAL(timeout()),
0102                      q, SLOT(slotReloadForMetadataChange()));
0103
0104     QObject::connect(q, SIGNAL(signalAskToApplyChanges(QList<ItemInfo>,DisjointMetadata*)),
0105                      q, SLOT(slotAskToApplyChanges(QList<ItemInfo>,DisjointMetadata*)),
0106                      Qt::QueuedConnection);
0107
0108     ItemAttributesWatch* const watch = ItemAttributesWatch::instance();
0109
0110     QObject::connect(watch, SIGNAL(signalImagesChanged(int)),
0111                      q, SLOT(slotImagesChanged(int)));
0112
0113     QObject::connect(watch, SIGNAL(signalImageRatingChanged(qlonglong)),
0114                      q, SLOT(slotImageRatingChanged(qlonglong)));
0115
0116     QObject::connect(watch, SIGNAL(signalImageDateChanged(qlonglong)),
0117                      q, SLOT(slotImageDateChanged(qlonglong)));
0118
0119     QObject::connect(watch, SIGNAL(signalImageCaptionChanged(qlonglong)),
0120                      q, SLOT(slotImageCaptionChanged(qlonglong)));
0121 }
0122
0123 void ItemDescEditTab::Private::setupEventFilters()
0124 {
0125     titleEdit->textEdit()->installEventFilter(q);
0126     captionsEdit->altLangStrEdit()->textEdit()->installEventFilter(q);
0127
0128     dateTimeEdit->installEventFilter(q);
0129     pickLabelSelector->installEventFilter(q);
0130     colorLabelSelector->installEventFilter(q);
0131     ratingWidget->installEventFilter(q);
0132
0133     // TODO update, what does this filter?
0134
0135     tagCheckView->installEventFilter(q);
0136     newTagEdit->installEventFilter(q);
0137 }
0138
0139 void ItemDescEditTab::Private::reset()
0140 {
0141     modified = false;
0142     hub->resetChanged();
0143     applyBtn->setEnabled(false);
0144     revertBtn->setEnabled(false);
0145     applyToAllVersionsButton->setEnabled(false);
0146 }
0147
0148 void ItemDescEditTab::Private::setInfos(const ItemInfoList& infos)
0149 {
0150     if (infos.isEmpty())
0151     {
0152         hub->reset();
0153         captionsEdit->blockSignals(true);
0154         captionsEdit->reset();
0155         q->resetCaptionEditPlaceholderText();
0156         captionsEdit->blockSignals(false);
0157         titleEdit->blockSignals(true);
0158         titleEdit->reset();
0159         q->resetTitleEditPlaceholderText();
0160         titleEdit->blockSignals(false);
0161         currInfos.clear();
0162         resetMetadataChangeInfo();
0163         q->setEnabled(false);
0164
0165         return;
0166     }
0167
0168     q->setEnabled(true);
0169     currInfos = infos;
0170     modified  = false;
0171     resetMetadataChangeInfo();
0172     hub->reset();
0173     applyBtn->setEnabled(false);
0174     revertBtn->setEnabled(false);
0175
0176     if (currInfos.count() > 1000)
0177     {
0178         QApplication::setOverrideCursor(Qt::WaitCursor);
0179     }
0180
0181     // First, we read all tags of the items into the cache with one SQL query.
0182     // This is faster than each item individually.
0183
0184     currInfos.loadTagIds();
0185
0186     Q_FOREACH (const ItemInfo& info, currInfos)
0187     {
0188         hub->load(info);
0189     }
0190
0191     q->updateComments();
0192     q->updatePickLabel();
0193     q->updateColorLabel();
0194     q->updateRating();
0195     q->updateDate();
0196     q->updateTemplate();
0197     q->updateTagsView();
0198     q->updateRecentTags();
0199     setFocusToLastSelectedWidget();
0200
0201     if (currInfos.count() > 1000)
0202     {
0203         QApplication::restoreOverrideCursor();
0204     }
0205 }
0206
0207 void ItemDescEditTab::Private::resetMetadataChangeInfo()
0208 {
0209     metadataChangeTimer->stop();
0210     metadataChangeIds.clear();
0211 }
0212
0213 void ItemDescEditTab::Private::setFocusToLastSelectedWidget()
0214 {
0215     if (lastSelectedWidget)
0216     {
0217         lastSelectedWidget->setFocus();
0218     }
0219
0220     lastSelectedWidget = nullptr;
0221 }
0222
0223 bool ItemDescEditTab::Private::singleSelection() const
0224 {
0225     return (currInfos.count() == 1);
0226 }
0227
0228 void ItemDescEditTab::Private::setMetadataWidgetStatus(int status, QWidget* const widget)
0229 {
0230     if (status == DisjointMetadataDataFields::MetadataDisjoint)
0231     {
0232         // For text widgets: Set text color to color of disabled text.
0233
0234         QPalette palette = widget->palette();
0235         palette.setColor(QPalette::Text, palette.color(QPalette::Disabled, QPalette::Text));
0236         widget->setPalette(palette);
0237
0238         QString msg = i18nc("@info", "Selected items have different text here.");
0239
0240         if      (qobject_cast<AltLangStrEdit*>(widget))
0241         {
0242             titleEdit->setPlaceholderText(msg);
0243         }
0244         else if (qobject_cast<CaptionEdit*>(widget))
0245         {
0246             captionsEdit->setPlaceholderText(msg);
0247         }
0248     }
0249     else
0250     {
0251         widget->setPalette(QPalette());
0252
0253         if      (qobject_cast<AltLangStrEdit*>(widget))
0254         {
0255             q->resetTitleEditPlaceholderText();
0256         }
0257         else if (qobject_cast<CaptionEdit*>(widget))
0258         {
0259             q->resetCaptionEditPlaceholderText();
0260         }
0261     }
0262 }
0263
0264 void ItemDescEditTab::Private::metadataChange(qlonglong imageId)
0265 {
0266     if (ignoreItemAttributesWatch || modified)
0267     {
0268         // Don't lose modifications
0269
0270         return;
0271     }
0272
0273     metadataChangeIds << imageId;
0274     metadataChangeTimer->start();
0275 }
0276
0277 void ItemDescEditTab::Private::initProgressIndicator()
0278 {
0279     if (!ProgressManager::instance()->findItembyId(QLatin1String("ItemDescEditTabProgress")))
0280     {
0281         FileActionProgress* const item = new FileActionProgress(QLatin1String("ItemDescEditTabProgress"));
0282
0283         QObject::connect(q, SIGNAL(signalProgressMessageChanged(QString)),
0284                          item, SLOT(slotProgressStatus(QString)));
0285
0286         QObject::connect(q, SIGNAL(signalProgressValueChanged(float)),
0287                          item, SLOT(slotProgressValue(float)));
0288
0289         QObject::connect(q, SIGNAL(signalProgressFinished()),
0290                          item, SLOT(slotCompleted()));
0291     }
0292 }
0293
0294 } // namespace Digikam