Diff: system.cpp

Revision:

0:1324e7d9d471

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/system.cpp	Mon Mar 07 22:51:19 2011 +0000
@@ -0,0 +1,141 @@
+#include "system.hpp"
+#include "state.hpp"
+
+#include "mbed.h"
+
+#include <cstring>
+#include <algorithm>
+#include <iostream>
+
+BusOut stateLeds(LED1, LED2);
+
+System::System(DisplayManager *display, KeyboardManager *keyboard, DtmfGenerator *dtmf) : 
+    display_(display), keyboard_(keyboard), dtmf_(dtmf), state_(NULL), text_(), len_(0), pos_(0)
+{
+    std::cout << "Init System" << "\r" << std::endl;     
+
+    std::memset(this->states_, 0, sizeof(this->states_));
+}
+
+void System::registerState(StateId id, State *state)
+{
+    std::cout << "Register System State " << id << "\r" << std::endl;     
+    this->states_[id] = state;
+    if (this->state_ == NULL) {
+        setState(id);
+    }
+}
+
+void System::unregisterState(State *state)
+{
+    State **begin = &this->states_[0];
+    State **end = begin + NumStates;
+    State **p = std::find(begin, end, state);
+    if (p != end) {
+        *p = NULL;
+    }
+    
+    if (this->state_ == state) {
+        this->state_ = NULL;
+    }
+}
+
+void System::setState(StateId newState)
+{
+    std::cout << "Set System state " << newState << "\r" << std::endl;     
+    State *s = this->states_[newState];
+    if (!s) {
+        std::cout << "Target state not found !\r" << std::endl;
+        return;
+    }
+    
+    if (s != this->state_) {
+        if (this->state_ != NULL) {
+            std::cout << "Exit current state\r" << std::endl;
+            this->state_->exitState();
+        }
+        
+        stateLeds = 0;
+        
+        if (s != NULL) {
+            std::cout << "Enter new state\r" << std::endl;
+            s->enterState();
+        }
+        
+        stateLeds = newState+1;
+        
+        this->state_ = s;
+        std::cout << "State change complete\r" << std::endl;
+    }
+}
+
+void System::insertSymbol(char ch)
+{
+    std::cout << "System Insert '" << ch << "'\r" << std::endl;     
+
+    if (this->len_ == 19) {
+        return;
+    }
+    
+    if (this->pos_ == this->len_) {
+        this->text_.append(1, ch);
+    }
+    else {
+        this->text_.insert(this->pos_, 1, ch);
+    }
+    this->pos_++;
+    this->len_++;
+}
+
+void System::deleteCurrentSymbol()
+{
+    std::cout << "System Delete" << "\r" << std::endl;     
+    if (this->pos_ < this->len_) {
+        this->text_.erase(this->pos_, 1);
+        this->len_--;
+        if (this->pos_ > this->len_) {
+            this->pos_ = len_;
+        }
+    }
+}
+
+void System::clearText()
+{
+    std::cout << "System Clear" << "\r" << std::endl;     
+    this->text_.clear();
+    this->len_ = 0;
+    this->pos_ = 0;
+}
+
+void System::moveCursorTo(int pos)
+{
+    std::cout << "System MoveTo " << pos << "/" << this->len_ << "\r" << std::endl;     
+    if (pos < 0) {
+        pos = this->len_+1 + pos;
+    }
+    setCursorPosition(pos);
+}
+
+void System::moveCursorBy(int delta)
+{
+    std::cout << "System MoveBy " << delta << "\r" << std::endl;     
+    int pos = this->pos_ + delta;
+    setCursorPosition(pos);
+}
+
+void System::setCursorPosition(int pos) 
+{    
+    std::cout << "System SetPos " << pos << "/" << this->len_ << "\r" << std::endl;     
+    if (pos < 0) {
+        pos = 0;
+    }
+    else if (pos > this->len_) {
+        pos = this->len_;
+    }
+    this->pos_ = pos;
+}
+
+void System::handleKey(char ch)
+{
+    this->state()->handleKey(ch);
+}