ImGui file browser completely removed
Joey Pollack
4 years ago
parent
016809cc3f
commit
36c67d57d7
@ -1,279 +0,0 @@
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/******************************************************************************
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* File - fileBrowser.cpp
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* Author - Joey Pollack
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* Date - 2021/11/04 (y/m/d)
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* Mod Date - 2021/11/04 (y/m/d)
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* Description - File browser dialog window. Can be used for opening
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* and saving files.
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******************************************************************************/
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#include "file_browser.h"
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#include <algorithm>
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#include <cstring>
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#include <core/core.h>
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#include <assets/types/image.h>
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#include <graphics/graphics.h>
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#include <internal_data/data_manager.h>
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#include <utils/stb/stb_image.h>
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#include "dearimgui/imgui.h"
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namespace lunarium
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{
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FileBrowser::FileBrowser()
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: mIsOpen(false), mSelectionMode(SelectionMode::FILES_ONLY), mWarnOnExisting(false), mResult(Result::CANCEL)
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{
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mPrompt = "Select an item";
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memset(mDirNameBuffer, 0, mBufferSize);
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memset(mInputBuffer, 0, mBufferSize);
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}
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/// If the given path does not exist this will default to the
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/// current working directory
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bool FileBrowser::OpenInDirectory(std::filesystem::path path)
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{
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if (mIsOpen)
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return false;
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if (!std::filesystem::exists(path))
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path = std::filesystem::current_path();
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if (!std::filesystem::is_directory(path))
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return false;
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mCurrentDirectory = path;
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mResult = Result::STILL_WAITING;
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// Get list of items in the current directory
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ReloadItems();
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mIsOpen = true;
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return true;
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}
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bool FileBrowser::DoFrame()
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{
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if (!mIsOpen)
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return false;
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ImGui::SetNextWindowSize(ImVec2(600, 400), ImGuiCond_Appearing);
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if (!ImGui::Begin("File Browser", &mIsOpen, ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoDocking))
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{
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ImGui::End();
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return false;
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}
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ImGui::TextUnformatted(mPrompt.c_str());
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ImGui::Separator();
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ImVec2 iconSize(DataManager::mNewFolderIcon->GetWidth(), DataManager::mNewFolderIcon->GetHeight());
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if (ImGui::ImageButton((ImTextureID) DataManager::mNewFolderIcon->GetGLTextureID64(), iconSize))
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{
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ImGui::OpenPopup("New Folder Name");
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memset(mDirNameBuffer, 0, mBufferSize);
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}
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if (ImGui::BeginPopup("New Folder Name"))
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{
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if (ImGui::InputText("Folder Name", mDirNameBuffer, mBufferSize, ImGuiInputTextFlags_EnterReturnsTrue))
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{
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std::filesystem::create_directory(mDirNameBuffer);
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ImGui::CloseCurrentPopup();
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ReloadItems();
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}
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ImGui::EndPopup();
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}
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ImGui::SameLine();
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iconSize = ImVec2(DataManager::mUpArrowIcon->GetWidth(), DataManager::mUpArrowIcon->GetHeight());
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if (ImGui::ImageButton((ImTextureID) DataManager::mUpArrowIcon->GetGLTextureID64(), iconSize))
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{
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mCurrentDirectory = mCurrentDirectory.parent_path();
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ReloadItems();
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}
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ImGui::SameLine();
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ImGui::TextUnformatted(mCurrentDirectory.string().c_str());
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DoListBox();
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ImGui::Separator();
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if (ImGui::InputText("selection", mInputBuffer, mBufferSize))
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{
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mInputSelection = mCurrentDirectory / mInputBuffer;
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//mInputSelection = mInputBuffer;
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mpSelectedItem = &mInputSelection;
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}
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ImGui::Separator();
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bool res = DoButtons();
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ImGui::End();
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return res;
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}
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void FileBrowser::AddExtensionFilter(std::string ext)
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{
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mExtensionsFilter.push_back(ext);
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}
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void FileBrowser::SetSelectionMode(SelectionMode mode)
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{
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mSelectionMode = mode;
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}
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void FileBrowser::WarnOnExistingFileSelection(bool warn)
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{
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mWarnOnExisting = warn;
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}
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void FileBrowser::SetPrompt(std::string prompt)
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{
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mPrompt = prompt;
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}
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/// returns nullptr if the dialog has not been opened yet
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const std::filesystem::path* FileBrowser::GetSelectedItem() const
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{
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return mpSelectedItem;
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}
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FileBrowser::Result FileBrowser::GetResult() const
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{
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return mResult;
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}
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bool FileBrowser::IsOpen() const
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{
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return mIsOpen;
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}
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void FileBrowser::Close()
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{
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mIsOpen = false;
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}
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void FileBrowser::ReloadItems()
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{
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mpSelectedItem = nullptr;
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mItemsInDir.clear();
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for(auto const& dir_entry: std::filesystem::directory_iterator{mCurrentDirectory})
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{
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mItemsInDir.push_back(dir_entry.path());
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}
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// Sort by type and then by name
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std::sort(mItemsInDir.begin(), mItemsInDir.end(), [](std::filesystem::path& lhs, std::filesystem::path& rhs)
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{
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if (std::filesystem::is_directory(lhs) && std::filesystem::is_directory(rhs))
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{
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return strcmp(lhs.filename().string().c_str(), rhs.filename().string().c_str()) < 0;
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}
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if (std::filesystem::is_directory(lhs) && !std::filesystem::is_directory(rhs))
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{
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return true;
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}
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return false;
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});
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}
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////////////////////////////////////////////////////////////
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// RENDER HELPER METHODS
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////////////////////////////////////////////////////////////
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void FileBrowser::DoListBox()
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{
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if (ImGui::BeginListBox("", ImVec2(ImGui::GetWindowWidth(), ImGui::GetWindowHeight() * .575f)))
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{
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for (int i = 0; i < mItemsInDir.size(); i++)
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{
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if (std::filesystem::is_directory(mItemsInDir[i]))
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{
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ImVec2 size(DataManager::mFolderIcon->GetWidth(), DataManager::mFolderIcon->GetHeight());
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ImTextureID id = (ImTextureID) DataManager::mFolderIcon->GetGLTextureID64();
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ImGui::Image(id, size);
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ImGui::SameLine();
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}
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if (ImGui::Selectable(mItemsInDir[i].filename().string().c_str()))
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{
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if (std::filesystem::is_directory(mItemsInDir[i]))
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{
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mCurrentDirectory /= mItemsInDir[i];
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ReloadItems();
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if (mSelectionMode == SelectionMode::DIRECTORIES_ONLY || mSelectionMode == SelectionMode::ANY)
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{
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mpSelectedItem = &mCurrentDirectory;
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}
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}
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else
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{
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if (mSelectionMode == SelectionMode::FILES_ONLY || mSelectionMode == SelectionMode::ANY)
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{
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mpSelectedItem = &mItemsInDir[i];
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memset(mInputBuffer, 0, mBufferSize);
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memcpy(mInputBuffer, mpSelectedItem->filename().string().c_str(), mpSelectedItem->filename().string().size());
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}
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}
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}
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}
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ImGui::EndListBox();
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}
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}
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bool FileBrowser::DoButtons()
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{
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ImGui::SetCursorPosX(ImGui::GetWindowSize().x - 100.0f);
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if (mpSelectedItem && ImGui::Button("OK"))
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{
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if (std::filesystem::exists(*mpSelectedItem) && mWarnOnExisting)
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{
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ImGui::OpenPopup("Warn");
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}
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else
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{
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mResult = Result::OK;
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mIsOpen = false;
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return false;
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}
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}
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if (ImGui::BeginPopup("Warn"))
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{
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ImGui::Text("This file already exists. Are you sure you want to overwrite it?");
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if (ImGui::Button("Yes"))
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{
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mResult = Result::OK;
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mIsOpen = false;
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ImGui::EndPopup();
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return false;
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}
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ImGui::SameLine();
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if (ImGui::Button("No"))
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{
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ImGui::CloseCurrentPopup();
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}
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ImGui::EndPopup();
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}
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ImGui::SameLine();
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if (ImGui::Button("Cancel"))
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{
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mResult = Result::CANCEL;
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mIsOpen = false;
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return false;
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}
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return true;
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}
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}
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@ -1,84 +0,0 @@
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/******************************************************************************
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* File - fileBrowser.h
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* Author - Joey Pollack
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* Date - 2021/11/04 (y/m/d)
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* Mod Date - 2021/11/04 (y/m/d)
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* Description - File browser dialog window. Can be used for opening
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* and saving files.
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******************************************************************************/
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// Some useful links:
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// https://en.cppreference.com/w/cpp/filesystem/is_directory
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// https://en.cppreference.com/w/cpp/filesystem/path
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#ifndef FILE_SELECT_H_
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#define FILE_SELECT_H_
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#include <utils/op_res.h>
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#include <vector>
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#include <filesystem>
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namespace lunarium
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{
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class Image;
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class FileBrowser
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{
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public:
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enum Result
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{
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OK,
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CANCEL,
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STILL_WAITING // TODO: Implement STILL_WAITING
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};
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enum SelectionMode
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{
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FILES_ONLY,
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DIRECTORIES_ONLY,
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ANY,
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};
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public:
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FileBrowser();
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bool OpenInDirectory(std::filesystem::path path);
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bool DoFrame();
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bool IsOpen() const;
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void Close();
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void SetPrompt(std::string prompt);
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void AddExtensionFilter(std::string ext);
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void SetSelectionMode(SelectionMode mode);
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void WarnOnExistingFileSelection(bool warn);
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// returns nullptr if the dialog has not been opened yet
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const std::filesystem::path* GetSelectedItem() const;
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Result GetResult() const;
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private:
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bool mIsOpen;
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SelectionMode mSelectionMode;
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bool mWarnOnExisting;
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Result mResult;
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std::string mPrompt;
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std::filesystem::path mCurrentDirectory;
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std::vector<std::filesystem::path> mItemsInDir;
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std::vector<std::string> mExtensionsFilter; // Show only these extensions. If empty show all files.
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std::filesystem::path* mpSelectedItem;
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std::filesystem::path mInputSelection;
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static const int mBufferSize = 256;
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char mDirNameBuffer[mBufferSize];
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char mInputBuffer[mBufferSize];
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private:
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void ReloadItems();
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void DoListBox();
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bool DoButtons();
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};
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}
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#endif // FILE_SELECT_H_
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