Squashed 'third_party/allwpilib_2016/' content from commit 7f61816
Change-Id: If9d9245880859cdf580f5d7f77045135d0521ce7
git-subtree-dir: third_party/allwpilib_2016
git-subtree-split: 7f618166ed253a24629934fcf89c3decb0528a3b
diff --git a/wpilibc/shared/src/SmartDashboard/SendableChooser.cpp b/wpilibc/shared/src/SmartDashboard/SendableChooser.cpp
new file mode 100644
index 0000000..255cc3a
--- /dev/null
+++ b/wpilibc/shared/src/SmartDashboard/SendableChooser.cpp
@@ -0,0 +1,72 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) FIRST 2011. All Rights Reserved.
+ */
+/* Open Source Software - may be modified and shared by FRC teams. The code */
+/* must be accompanied by the FIRST BSD license file in $(WIND_BASE)/WPILib. */
+/*----------------------------------------------------------------------------*/
+
+#include "SmartDashboard/SendableChooser.h"
+
+#include <stdio.h>
+
+static const std::string kDefault = "default";
+static const std::string kOptions = "options";
+static const std::string kSelected = "selected";
+
+/**
+ * Adds the given object to the list of options. On the {@link SmartDashboard}
+ * on the desktop,
+ * the object will appear as the given name.
+ * @param name the name of the option
+ * @param object the option
+ */
+void SendableChooser::AddObject(const std::string &name, void *object) {
+ m_choices[name] = object;
+}
+
+/**
+ * Add the given object to the list of options and marks it as the default.
+ * Functionally, this is very close to {@link SendableChooser#AddObject(const
+ * char *name, void *object) AddObject(...)}
+ * except that it will use this as the default option if none other is
+ * explicitly selected.
+ * @param name the name of the option
+ * @param object the option
+ */
+void SendableChooser::AddDefault(const std::string &name, void *object) {
+ m_defaultChoice = name;
+ AddObject(name, object);
+}
+
+/**
+ * Returns the selected option. If there is none selected, it will return the
+ * default. If there is none selected
+ * and no default, then it will return {@code nullptr}.
+ * @return the option selected
+ */
+void *SendableChooser::GetSelected() {
+ std::string selected = m_table->GetString(kSelected, m_defaultChoice);
+ if (selected == "")
+ return nullptr;
+ else
+ return m_choices[selected];
+}
+
+void SendableChooser::InitTable(std::shared_ptr<ITable> subtable) {
+ std::vector<std::string> keys;
+ m_table = subtable;
+ if (m_table != nullptr) {
+ std::map<std::string, void *>::iterator iter;
+ for (iter = m_choices.begin(); iter != m_choices.end(); iter++) {
+ keys.push_back(iter->first);
+ }
+ m_table->PutValue(kOptions, nt::Value::MakeStringArray(std::move(keys)));
+ m_table->PutString(kDefault, m_defaultChoice);
+ }
+}
+
+std::shared_ptr<ITable> SendableChooser::GetTable() const { return m_table; }
+
+std::string SendableChooser::GetSmartDashboardType() const {
+ return "String Chooser";
+}