open dialog list files and thumbnail preview

engine/node_dialog_open.cpp

@@ -3,6 +3,7 @@
 #include "node_dialog_open.h"
 #include "canvas.h"
 #include "node_image_texture.h"
+#include "asset.h"
 
 Node* NodeDialogOpen::clone_instantiate() const
 {
@@ -31,11 +32,98 @@ void NodeDialogOpen::init_controls()
     btn_cancel->on_click = [this](Node*) {
         destroy();
     };
+    container = find<Node>("files-list");
+    auto names = Asset::list_files(data_path, false, ".*\\.pano");
+    for (const auto& n : names)
+    {
+        auto node = new NodeDialogOpenItem;
+        node->m_manager = m_manager;
+        node->init();
+        node->m_text->set_text(n.c_str());
+        node->m_path = data_path + "/" + n;
+        node->on_selected = [&](NodeDialogOpenItem* target) {
+            static NodeDialogOpenItem* current = nullptr;
+            if (target == current)
+                return;
+            ui::Image thumb = ui::Canvas::I->thumbnail_read(target->m_path);
+            auto image_tex = find<NodeImageTexture>("thumb-tex");
+            image_tex->tex.destroy();
+            image_tex->tex.create(thumb);
+            selected_path = target->m_path;
+            if (current)
+                current->m_selected = false;
+            current = target;
+        };
+        container->add_child(node);
+    }
+    container->update();
+    if (auto* first = (NodeDialogOpenItem*)container->get_child_at(0))
+    {
+        first->on_selected(first);
+        first->m_selected = true;
+    }
 }
 
 void NodeDialogOpen::loaded()
 {
-    ui::Image thumb = ui::Canvas::I->thumbnail_read(data_path);
-    auto image_tex = find<NodeImageTexture>("thumb-tex");
-    image_tex->tex.create(thumb);
+//     ui::Image thumb = ui::Canvas::I->thumbnail_read(data_path);
+//     auto image_tex = find<NodeImageTexture>("thumb-tex");
+//     image_tex->tex.create(thumb);
 }
+
+//////////////////////////////////////////////////////////////////
+
+Node* NodeDialogOpenItem::clone_instantiate() const
+{
+    return new NodeDialogOpenItem;
+}
+void NodeDialogOpenItem::clone_finalize(Node* dest) const
+{
+    NodeDialogOpenItem* n = static_cast<NodeDialogOpenItem*>(dest);
+    n->init_controls();
+}
+void NodeDialogOpenItem::init()
+{
+    auto tpl = static_cast<const NodeBorder*>(init_template("dialog-open-item"));
+    m_color = tpl->m_color;
+    m_border_color = tpl->m_border_color;
+    m_thinkness = tpl->m_thinkness;
+    init_controls();
+}
+void NodeDialogOpenItem::init_controls()
+{
+    m_text = find<NodeText>("title");
+}
+void NodeDialogOpenItem::loaded()
+{
+
+}
+void NodeDialogOpenItem::draw()
+{
+    auto c = m_selected ? m_color_selected : m_color_normal;
+    //m_thinkness = m_selected ? 1.f : 0.f;
+    m_color = m_mouse_inside ? m_color_hover : c;
+    NodeBorder::draw();
+}
+kEventResult NodeDialogOpenItem::handle_event(Event* e)
+{
+    NodeBorder::handle_event(e);
+    switch (e->m_type)
+    {
+    case kEventType::MouseEnter:
+        break;
+    case kEventType::MouseLeave:
+        break;
+    case kEventType::MouseDownL:
+        m_selected = true;
+        if (on_selected)
+            on_selected(this);
+        break;
+    case kEventType::MouseUpL:
+        break;
+    default:
+        return kEventResult::Available;
+        break;
+    }
+    return kEventResult::Consumed;
+}