Diff: Menu.cpp

Revision:

0:0f92518679f3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Menu.cpp	Thu Sep 04 12:25:13 2014 +0000
@@ -0,0 +1,78 @@
+/* 
+    Copyright (c) 2014 Romain Berrada
+    
+    Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
+    and associated documentation files (the "Software"), to deal in the Software without restriction, 
+    including without limitation the rights to use, copy, modify, merge, publish, distribute, 
+    sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is 
+    furnished to do so, subject to the following conditions:
+ 
+    The above copyright notice and this permission notice shall be included in all copies or 
+    substantial portions of the Software.
+ 
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 
+    BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
+    NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
+    DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include "mbed.h"
+#include "Menu.h"
+
+Menu::Program::Program(void* output_argument, int(*program)()) : _output_interface_argument(output_argument), _program(program), _next(NULL) {
+}
+
+Menu::Menu() : _first(NULL) {
+}
+
+void Menu::addProgram(void* output_argument, int(*program)()) {
+    Program* prog = new Program(output_argument, program);
+    if (_first==NULL) { // if first program added
+        _first = prog;
+        return;   
+    } else {
+        Program* temp = _first;
+        while (temp->_next!=NULL) temp=temp->_next;
+        temp->_next = prog;   
+    }    
+}
+
+void Menu::clean() {
+    Program* prg = _first;
+    Program* next;
+    while (prg!=NULL) {
+        next = prg->_next;
+        delete prg;
+        prg = next;
+    }
+}
+
+int Menu::launch() {   
+    Program* choice = _first;
+    bool done = false;
+        
+    if (choice==NULL) return -1; // if no program
+    
+    startMenu();
+    displaySelectedProgram(choice->_output_interface_argument);
+           
+    while(!done) {
+        if (isSelectionChanging()) {
+            // change the current choice
+            choice = choice->_next;
+            if (choice==NULL) choice = _first;
+            displaySelectedProgram(choice->_output_interface_argument);
+        }
+        
+        if (isValidating()) {
+            // validate the choice
+            done = true;
+        }
+
+        wait(0.1);
+    }
+        
+    displaySelectedProgram(NULL);
+    return choice->_program(); // call the program function and return the result
+}
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