Initial commit

Code/Sandbox/Editor/Thumbnails/Example/ThumbnailsSampleWidget.cpp

@@ -0,0 +1,115 @@
+/*
+* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
+* its licensors.
+*
+* For complete copyright and license terms please see the LICENSE at the root of this
+* distribution (the "License"). All use of this software is governed by the License,
+* or, if provided, by the license below or the license accompanying this file. Do not
+* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+*
+*/
+
+#include "EditorDefs.h"
+
+#include "ThumbnailsSampleWidget.h"
+
+// Qt
+#include <QLabel>
+
+// AzToolsFramework
+#include <AzToolsFramework/AssetBrowser/AssetBrowserModel.h>
+#include <AzToolsFramework/AssetBrowser/AssetBrowserEntry.h>
+#include <AzToolsFramework/Thumbnails/ThumbnailWidget.h>
+#include <AzToolsFramework/AssetBrowser/Thumbnails/AssetBrowserProductThumbnail.h>
+
+// Editor
+#include "QtViewPaneManager.h"                                      // for RegisterQtViewPane
+
+
+AZ_PUSH_DISABLE_DLL_EXPORT_MEMBER_WARNING
+#include <Thumbnails/Example/ui_ThumbnailsSampleWidget.h>
+AZ_POP_DISABLE_DLL_EXPORT_MEMBER_WARNING
+
+const int MAX_PRODUCTS_TO_DISPLAY = 20;
+
+ThumbnailsSampleWidget::ThumbnailsSampleWidget(QWidget* parent)
+    : QWidget(parent)
+    , m_ui(new Ui::ThumbnailsSampleWidgetClass())
+    , m_filterModel(new AzToolsFramework::AssetBrowser::AssetBrowserFilterModel(parent))
+{
+    m_ui->setupUi(this);
+    m_ui->m_searchWidget->Setup(true, true);
+
+    using namespace AzToolsFramework::AssetBrowser;
+    AssetBrowserComponentRequestBus::BroadcastResult(m_assetBrowserModel, &AssetBrowserComponentRequests::GetAssetBrowserModel);
+    AZ_Assert(m_assetBrowserModel, "Failed to get filebrowser model");
+    m_filterModel->setSourceModel(m_assetBrowserModel);
+    m_filterModel->SetFilter(m_ui->m_searchWidget->GetFilter());
+
+    m_ui->m_assetBrowserTreeViewWidget->setModel(m_filterModel.data());
+
+    auto layout = static_cast<QVBoxLayout*>(m_ui->m_thumbnailScrollAreaRoot->layout());
+    layout->addStretch(1);
+
+    connect(m_ui->m_assetBrowserTreeViewWidget, &AssetBrowserTreeView::selectionChangedSignal,
+        this, &ThumbnailsSampleWidget::SelectionChangedSlot);
+    connect(m_ui->m_searchWidget->GetFilter().data(), &AzToolsFramework::AssetBrowser::AssetBrowserEntryFilter::updatedSignal,
+        m_filterModel.data(), &AzToolsFramework::AssetBrowser::AssetBrowserFilterModel::filterUpdatedSlot);
+}
+
+ThumbnailsSampleWidget::~ThumbnailsSampleWidget() = default;
+
+void ThumbnailsSampleWidget::RegisterViewClass()
+{
+    QtViewOptions options;
+    options.preferedDockingArea = Qt::NoDockWidgetArea;
+    options.canHaveMultipleInstances = true;
+    RegisterQtViewPane<ThumbnailsSampleWidget>(GetIEditor(), "Thumbnails Demo", LyViewPane::CategoryTools, options);
+}
+
+void ThumbnailsSampleWidget::SelectionChangedSlot(const QItemSelection& /*selected*/, const QItemSelection& /*deselected*/) const
+{
+    UpdateThumbnail();
+}
+
+void ThumbnailsSampleWidget::UpdateThumbnail() const
+{
+    auto layout = static_cast<QVBoxLayout*>(m_ui->m_thumbnailScrollAreaRoot->layout());
+    // delete any previous thumbnails
+    qDeleteAll(m_ui->m_thumbnailScrollAreaRoot->findChildren<QWidget*>("", Qt::FindDirectChildrenOnly));
+
+    auto selectedAssets = m_ui->m_assetBrowserTreeViewWidget->GetSelectedAssets();
+    if (selectedAssets.size() > 0)
+    {
+        using namespace AzToolsFramework::AssetBrowser;
+        //get all products from selected entry (it can be a folder, source or product asset and can contain 0 or more products)
+        AZStd::vector<const ProductAssetBrowserEntry*> products;
+        selectedAssets.front()->GetChildrenRecursively<ProductAssetBrowserEntry>(products);
+
+        // because thumbnails are displayed via individual widgets, limit to 10 otherwise it can take ages
+       
+        int productsLeft = MAX_PRODUCTS_TO_DISPLAY;
+        for (const auto* product : products)
+        {
+            // create thumbnail widget
+            auto thumbnailWidget = new AzToolsFramework::Thumbnailer::ThumbnailWidget(m_ui->m_thumbnailScrollArea);
+            thumbnailWidget->SetThumbnailKey(MAKE_TKEY(AzToolsFramework::AssetBrowser::ProductThumbnailKey, product->GetAssetId()));
+            thumbnailWidget->setMinimumSize(100, 100);
+            thumbnailWidget->setMaximumSize(100, 100);
+            // insert it before space to align on top
+            layout->insertWidget(layout->count() - 1, thumbnailWidget);
+            // add label indicating name of the asset
+            auto label = new QLabel(product->GetName().c_str(), m_ui->m_thumbnailScrollArea);
+            layout->insertWidget(layout->count() - 1, label);
+            // do not render more than 10 thumbnails at a time
+            productsLeft--;
+            if (productsLeft <= 0)
+            {
+                break;
+            }
+        }
+    }
+    return;
+}
+#include <Thumbnails/Example/moc_ThumbnailsSampleWidget.cpp>

Code/Sandbox/Editor/Thumbnails/Example/ThumbnailsSampleWidget.h

@@ -0,0 +1,63 @@
+/*
+* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
+* its licensors.
+*
+* For complete copyright and license terms please see the LICENSE at the root of this
+* distribution (the "License"). All use of this software is governed by the License,
+* or, if provided, by the license below or the license accompanying this file. Do not
+* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+*
+*/
+#pragma once
+
+#if !defined(Q_MOC_RUN)
+#include <Editor/Util/FileUtil.h>
+#include <Editor/Util/Image.h>
+#include <AzCore/Memory/SystemAllocator.h>
+#include <AzToolsFramework/Thumbnails/Thumbnail.h>
+
+#include <QWidget>
+#include <QScopedPointer>
+#endif
+
+class QItemSelection;
+
+namespace Ui
+{
+    class ThumbnailsSampleWidgetClass;
+}
+
+namespace AzToolsFramework
+{
+    namespace AssetBrowser
+    {
+        class ProductAssetBrowserEntry;
+        class AssetBrowserEntry;
+        class AssetBrowserFilterModel;
+        class AssetBrowserModel;
+    }
+}
+
+class ThumbnailsSampleWidget
+    : public QWidget
+{
+    Q_OBJECT
+public:
+    AZ_CLASS_ALLOCATOR(ThumbnailsSampleWidget, AZ::SystemAllocator, 0);
+
+    explicit ThumbnailsSampleWidget(QWidget* parent = nullptr);
+    ~ThumbnailsSampleWidget() override;
+
+    static void RegisterViewClass();
+
+private:
+    QScopedPointer<Ui::ThumbnailsSampleWidgetClass> m_ui;
+    QScopedPointer<AzToolsFramework::AssetBrowser::AssetBrowserFilterModel> m_filterModel;
+    AzToolsFramework::AssetBrowser::AssetBrowserModel* m_assetBrowserModel;
+
+    void UpdateThumbnail() const;
+
+private Q_SLOTS:
+    void SelectionChangedSlot(const QItemSelection& selected, const QItemSelection& deselected) const;
+};

Code/Sandbox/Editor/Thumbnails/Example/ThumbnailsSampleWidget.ui

@@ -0,0 +1,101 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>ThumbnailsSampleWidgetClass</class>
+ <widget class="QWidget" name="ThumbnailsSampleWidgetClass">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>567</width>
+    <height>513</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Thumbnails Sample</string>
+  </property>
+  <layout class="QHBoxLayout" name="horizontalLayout">
+   <item>
+    <layout class="QVBoxLayout" name="verticalLayout_2">
+     <item>
+      <widget class="AzToolsFramework::AssetBrowser::SearchWidget" name="m_searchWidget" native="true">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Preferred">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="AzToolsFramework::AssetBrowser::AssetBrowserTreeView" name="m_assetBrowserTreeViewWidget">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+         <horstretch>1</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="dragDropMode">
+        <enum>QAbstractItemView::DragOnly</enum>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <widget class="Line" name="line">
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QScrollArea" name="m_thumbnailScrollArea">
+     <property name="minimumSize">
+      <size>
+       <width>200</width>
+       <height>0</height>
+      </size>
+     </property>
+     <property name="maximumSize">
+      <size>
+       <width>200</width>
+       <height>16777215</height>
+      </size>
+     </property>
+     <property name="verticalScrollBarPolicy">
+      <enum>Qt::ScrollBarAlwaysOn</enum>
+     </property>
+     <property name="widgetResizable">
+      <bool>true</bool>
+     </property>
+     <widget class="QWidget" name="m_thumbnailScrollAreaRoot">
+      <property name="geometry">
+       <rect>
+        <x>0</x>
+        <y>0</y>
+        <width>181</width>
+        <height>493</height>
+       </rect>
+      </property>
+      <layout class="QVBoxLayout" name="verticalLayout"/>
+     </widget>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <customwidgets>
+  <customwidget>
+   <class>AzToolsFramework::AssetBrowser::AssetBrowserTreeView</class>
+   <extends>QTreeView</extends>
+   <header>AzToolsFramework/AssetBrowser/Views/AssetBrowserTreeView.h</header>
+  </customwidget>
+  <customwidget>
+   <class>AzToolsFramework::AssetBrowser::SearchWidget</class>
+   <extends>QWidget</extends>
+   <header>AzToolsFramework/AssetBrowser/Search/SearchWidget.h</header>
+   <container>1</container>
+  </customwidget>
+ </customwidgets>
+ <resources/>
+ <connections/>
+</ui>