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[HTML5] Add JavaScriptToolsEditorPlugin.

Browse source 
A new editor plugin, specific to HTML5, that provide some extra features
needed to make the editor usable on that platform.

For now, it adds a "Download project sources" option in the "Tool" menu,
so the user can download the work done as a zip file (from the browser
storage).
This commit is contained in:
Fabio Alessandrelli 2020-09-17 18:01:36 +02:00
parent 294e9752bd
commit 55f04952c5
4 changed files with 158 additions and 6 deletions
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123
platform/javascript/api/javascript_tools_editor_plugin.cpp Normal file
View file

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#if defined(TOOLS_ENABLED) && defined(JAVASCRIPT_ENABLED)
#include "javascript_tools_editor_plugin.h"
#include "core/engine.h"
#include "core/os/dir_access.h"
#include "core/os/file_access.h"
#include "core/project_settings.h"
#include "editor/editor_node.h"
#include <emscripten/emscripten.h>
static void _javascript_editor_init_callback() {
EditorNode::get_singleton()->add_editor_plugin(memnew(JavaScriptToolsEditorPlugin(EditorNode::get_singleton())));
}
void JavaScriptToolsEditorPlugin::initialize() {
EditorNode::add_init_callback(_javascript_editor_init_callback);
}
JavaScriptToolsEditorPlugin::JavaScriptToolsEditorPlugin(EditorNode *p_editor) {
Variant v;
add_tool_menu_item("Download Project Source", this, "_download_zip", v);
}
void JavaScriptToolsEditorPlugin::_downalod_zip(Variant p_v) {
if (!Engine::get_singleton() || !Engine::get_singleton()->is_editor_hint()) {
WARN_PRINT("Project download is only available in Editor mode");
return;
}
String resource_path = ProjectSettings::get_singleton()->get_resource_path();
FileAccess *src_f;
zlib_filefunc_def io = zipio_create_io_from_file(&src_f);
zipFile zip = zipOpen2("/tmp/project.zip", APPEND_STATUS_CREATE, NULL, &io);
String base_path = resource_path.substr(0, resource_path.rfind("/")) + "/";
_zip_recursive(resource_path, base_path, zip);
zipClose(zip, NULL);
EM_ASM({
const path = "/tmp/project.zip";
const size = FS.stat(path)["size"];
const buf = new Uint8Array(size);
const fd = FS.open(path, "r");
FS.read(fd, buf, 0, size);
FS.close(fd);
FS.unlink(path);
const blob = new Blob([buf], { type: "application/zip" });
const url = window.URL.createObjectURL(blob);
const a = document.createElement("a");
a.href = url;
a.download = "project.zip";
a.style.display = "none";
document.body.appendChild(a);
a.click();
a.remove();
window.URL.revokeObjectURL(url);
});
}
void JavaScriptToolsEditorPlugin::_bind_methods() {
ClassDB::bind_method("_download_zip", &JavaScriptToolsEditorPlugin::_downalod_zip);
}
void JavaScriptToolsEditorPlugin::_zip_file(String p_path, String p_base_path, zipFile p_zip) {
FileAccess *f = FileAccess::open(p_path, FileAccess::READ);
if (!f) {
WARN_PRINT("Unable to open file for zipping: " + p_path);
return;
}
Vector<uint8_t> data;
int len = f->get_len();
data.resize(len);
f->get_buffer(data.ptrw(), len);
f->close();
memdelete(f);
String path = p_path.replace_first(p_base_path, "");
zipOpenNewFileInZip(p_zip,
path.utf8().get_data(),
NULL,
NULL,
0,
NULL,
0,
NULL,
Z_DEFLATED,
Z_DEFAULT_COMPRESSION);
zipWriteInFileInZip(p_zip, data.ptr(), data.size());
zipCloseFileInZip(p_zip);
}
void JavaScriptToolsEditorPlugin::_zip_recursive(String p_path, String p_base_path, zipFile p_zip) {
DirAccess *dir = DirAccess::open(p_path);
if (!dir) {
WARN_PRINT("Unable to open dir for zipping: " + p_path);
return;
}
dir->list_dir_begin();
String cur = dir->get_next();
while (!cur.empty()) {
String cs = p_path.plus_file(cur);
if (cur == "." || cur == ".." || cur == ".import") {
// Skip
} else if (dir->current_is_dir()) {
String path = cs.replace_first(p_base_path, "") + "/";
zipOpenNewFileInZip(p_zip,
path.utf8().get_data(),
NULL,
NULL,
0,
NULL,
0,
NULL,
Z_DEFLATED,
Z_DEFAULT_COMPRESSION);
zipCloseFileInZip(p_zip);
_zip_recursive(cs, p_base_path, p_zip);
} else {
_zip_file(cs, p_base_path, p_zip);
}
cur = dir->get_next();
}
}
#endif