Rene Gollent
a82499551d
TableCellTextControlEditor: - Serves as a base for editors that expose their functionality via a text control. Handles common functionality of watching for changes, validating input, and notifying listeners appropriately. TableCellOptionPopUpEditor: - Serves as a base class for editors where the set of possible values is fixed and known up front. Handles reacting to selection changes and notifying listeners.
103 lines
1.7 KiB
C++
103 lines
1.7 KiB
C++
/*
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* Copyright 2015, Rene Gollent, [email protected].
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* Distributed under the terms of the MIT License.
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*/
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#include "TableCellTextControlEditor.h"
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#include "Value.h"
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#include "ValueFormatter.h"
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enum {
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MSG_INPUT_VALIDATION_NEEDED = 'ivne',
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MSG_TEXT_VALUE_CHANGED = 'tevc'
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};
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TableCellTextControlEditor::TableCellTextControlEditor(::Value* initialValue,
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ValueFormatter* formatter)
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:
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TableCellFormattedValueEditor(initialValue, formatter),
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BTextControl("", "", NULL)
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{
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}
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TableCellTextControlEditor::~TableCellTextControlEditor()
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{
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}
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status_t
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TableCellTextControlEditor::Init()
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{
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BMessage* message = new(std::nothrow) BMessage(
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MSG_INPUT_VALIDATION_NEEDED);
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if (message == NULL)
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return B_NO_MEMORY;
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SetMessage(message);
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message = new(std::nothrow) BMessage(MSG_TEXT_VALUE_CHANGED);
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if (message == NULL)
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return B_NO_MEMORY;
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SetModificationMessage(message);
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return B_OK;
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}
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BView*
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TableCellTextControlEditor::GetView()
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{
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return this;
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}
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void
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TableCellTextControlEditor::AttachedToWindow()
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{
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BTextControl::AttachedToWindow();
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SetTarget(this);
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BString output;
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if (GetValueFormatter()->FormatValue(InitialValue(), output) == B_OK)
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SetText(output);
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NotifyEditBeginning();
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}
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void
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TableCellTextControlEditor::MessageReceived(BMessage* message)
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{
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switch (message->what) {
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case MSG_TEXT_VALUE_CHANGED:
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{
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// TODO: highlight the input view in some way to show
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// invalid inputs
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break;
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}
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case MSG_INPUT_VALIDATION_NEEDED:
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{
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if (ValidateInput()) {
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::Value* value = NULL;
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status_t error = GetValueForInput(value);
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if (error != B_OK)
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break;
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BReference< ::Value> valueReference(value, true);
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NotifyEditCompleted(value);
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}
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break;
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}
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default:
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BTextControl::MessageReceived(message);
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break;
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}
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}
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