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Add new data-alias attribute to make templates work with outside variables (#432)

Maximilian Stark 2 年之前
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bc2f9e82c2
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4db7a3b1f4
共有 5 個文件被更改，包括 111 次插入 和 0 次删除
分割檢視 顯示文件統計
  1. 19 0
      Samples/assets/data-window.rml
  2. 28 0
      Source/Core/DataViewDefault.cpp
  3. 14 0
      Source/Core/DataViewDefault.h
  4. 2 0
      Source/Core/Factory.cpp
  5. 48 0
      Tests/Source/UnitTests/DataBinding.cpp

+ 19 - 0
Samples/assets/data-window.rml
查看文件 

@@ -0,0 +1,19 @@
 
+<template name="data-window" content="content">
 
+<head>
 
+	<link type="text/rcss" href="rml.rcss"/>
 
+	<link type="text/rcss" href="invader.rcss"/>
 
+</head>
 
+<body class="window">
 
+	<div id="title_bar">
 
+		<handle move_target="#document">
 
+			<div id="icon"></div>
 
+			<span class="title">{{ title }}</span>
 
+		</handle>
 
+	</div>
 
+	<div id="window">
 
+		<div id="content">
 
+		</div>
 
+	</div>
 
+	<handle size_target="#document" style="position: absolute; width: 16dp; height: 16dp; bottom: 0px; right: 0px; cursor: resize;"></handle>
 
+</body>
 
+</template>

+ 28 - 0
Source/Core/DataViewDefault.cpp
查看文件 

@@ -605,4 +605,32 @@ void DataViewFor::Release()
 
 	delete this;
 
 }
 
 
+DataViewAlias::DataViewAlias(Element* element) : DataView(element, 0) {}
 
+
 
+StringList DataViewAlias::GetVariableNameList() const
 
+{
 
+	return variables;
 
+}
 
+
 
+bool DataViewAlias::Update(DataModel&)
 
+{
 
+	return false;
 
+}
 
+
 
+bool DataViewAlias::Initialize(DataModel& model, Element* element, const String& expression, const String& modifier)
 
+{
 
+	auto address = model.ResolveAddress(expression, element);
 
+	if (address.empty())
 
+		return false;
 
+
 
+	variables.push_back(modifier);
 
+	model.InsertAlias(element, modifier, address);
 
+	return true;
 
+}
 
+
 
+void DataViewAlias::Release()
 
+{
 
+	delete this;
 
+}
 
+
 
 } // namespace Rml

+ 14 - 0
Source/Core/DataViewDefault.h
查看文件 

@@ -181,5 +181,19 @@ private:
 
 	ElementList elements;
 
 };
 
 
+class DataViewAlias final : public DataView {
 
+public:
 
+	DataViewAlias(Element* element);
 
+	virtual StringList GetVariableNameList() const override;
 
+	bool Update(DataModel& model) override;
 
+	bool Initialize(DataModel& model, Element* element, const String& expression, const String& modifier) override;
 
+
 
+protected:
 
+	void Release() override;
 
+
 
+private:
 
+	StringList variables;
 
+};
 
+
 
 } // namespace Rml
 
 #endif

+ 2 - 0
Source/Core/Factory.cpp
查看文件 

@@ -182,6 +182,7 @@ struct DefaultInstancers {
 
 	DataViewInstancerDefault<DataViewText> data_view_text;
 
 	DataViewInstancerDefault<DataViewValue> data_view_value;
 
 	DataViewInstancerDefault<DataViewChecked> data_view_checked;
 
+	DataViewInstancerDefault<DataViewAlias> data_view_alias;
 
 
 	DataViewInstancerDefault<DataViewFor> structural_data_view_for;
 
 
@@ -275,6 +276,7 @@ bool Factory::Initialise()
 
 	RegisterDataViewInstancer(&default_instancers->data_view_text,           "text",    false);
 
 	RegisterDataViewInstancer(&default_instancers->data_view_value,          "value",   false);
 
 	RegisterDataViewInstancer(&default_instancers->data_view_checked,        "checked", false);
 
+	RegisterDataViewInstancer(&default_instancers->data_view_alias,          "alias",   false);
 
 	RegisterDataViewInstancer(&default_instancers->structural_data_view_for, "for",     true );
 
 
 	// Data binding controllers

+ 48 - 0
Tests/Source/UnitTests/DataBinding.cpp
查看文件 

@@ -148,6 +148,28 @@ static const String inside_string_rml = R"(
 
 </rml>	
 )";
 
 
+static const String aliasing_rml = R"(
 
+<rml>
 
+<head>
 
+	<title>Test</title>
 
+	<link type="text/rcss" href="/assets/rml.rcss"/>
 
+	<link type="text/template" href="/assets/data-window.rml"/>
 
+</head>
 
+
 
+<body data-model="basics">
 
+<p>{{ i0 }}</p>
 
+<p data-alias-differentname="i0">{{ differentname }}</p>
 
+<div data-alias-title="s0" id="w1">
 
+	<template src="data-window"></template>
 
+</div>
 
+
 
+<div data-alias-title="s1" id="w2">
 
+	<template src="data-window"></template>
 
+</div>
 
+</body>
 
+</rml>	
+)";
 
+
 
 struct StringWrap
 
 {
 
 	StringWrap(String val = "wrap_default") : val(val) {}
 
@@ -448,5 +470,31 @@ TEST_CASE("databinding.inside_string")
 
 
 	document->Close();
 
 
+	TestsShell::ShutdownShell();
 
+}
 
+TEST_CASE("databinding.aliasing")
 
+{
 
+	Context* context = TestsShell::GetContext();
 
+	REQUIRE(context);
 
+
 
+	REQUIRE(InitializeDataBindings(context));
 
+
 
+	ElementDocument* document = context->LoadDocumentFromMemory(aliasing_rml);
 
+	REQUIRE(document);
 
+	document->Show();
 
+
 
+	context->Update();
 
+	context->Render();
 
+
 
+	TestsShell::RenderLoop();
 
+
 
+	CHECK(document->QuerySelector("p:nth-child(1)")->GetInnerRML() == document->QuerySelector("p:nth-child(2)")->GetInnerRML());
 
+	REQUIRE(document->QuerySelector("#w1 .title"));
 
+	REQUIRE(document->QuerySelector("#w2 .title"));
 
+	CHECK(document->QuerySelector("#w1 .title")->GetInnerRML() == "s0");
 
+	CHECK(document->QuerySelector("#w2 .title")->GetInnerRML() == "s1");
 
+
 
+	document->Close();
 
+
 
 	TestsShell::ShutdownShell();
 
 }