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added editmode support

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This commit is contained in:
Peter Schojer
2008-07-15 06:56:52 +00:00
parent 9f8bd817f3
commit 2f3fa758e6
8 changed files with 109 additions and 10 deletions
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6
WebWidgets/ExtJS/include/Poco/WebWidgets/ExtJS/TableRenderer.h
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@@ -76,6 +76,7 @@ public:
static const std::string EV_KEYPRESSED;
static const std::string EV_ROWSELECTED;
static const std::string EV_CELLSELECTED;
static const std::string EV_STARTCELLVALUECHANGE;
static const std::string HIDDEN_INDEX_ROW;
TableRenderer();
@@ -100,6 +101,11 @@ public:
/// containing members (grid, record, column, row, value, cancel)!
/// obj.cancel must be set to false to forbid the edit
static Poco::WebWidgets::JSDelegate createStartCellValueChangeServerCallback(const Table* pTable);
/// Adds a javascript callback to inform the WebServer that the client has entered edit mode in the Table
/// The Extjs handler offers a method signature of "function(obj)" where obj is a complex element
/// containing members (grid, record, column, row, value, cancel)!
static Poco::WebWidgets::JSDelegate createCellSelectedServerCallback(const Table* pTable);
/// Adds a javascript callback to inform the WebServer that the client has selected a cell
/// The Extjs handler offers a method signature of

33
WebWidgets/ExtJS/src/TableRenderer.cpp
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@@ -59,6 +59,7 @@ const std::string TableRenderer::EV_ROWCLICKED("rowclick");
const std::string TableRenderer::EV_BEFORECELLCLICKED("cellmousedown");
const std::string TableRenderer::EV_BEFOREROWCLICKED("rowmousedown");
const std::string TableRenderer::EV_BEFORECELLVALUECHANGED("validateedit");
const std::string TableRenderer::EV_STARTCELLVALUECHANGE("beforeedit");
const std::string TableRenderer::EV_AFTEREDIT("afteredit");
const std::string TableRenderer::EV_AFTERLOAD("load");
const std::string TableRenderer::EV_RENDER("render");
@@ -316,6 +317,31 @@ Poco::WebWidgets::JSDelegate TableRenderer::createKeyPressedServerCallback(const
}
Poco::WebWidgets::JSDelegate TableRenderer::createStartCellValueChangeServerCallback(const Table* pTable)
{
// beforeedit : ( Object e )
// * grid - This grid
// * record - The record being edited
// * field - The field name being edited
// * value - The value for the field being edited.
// * row - The grid row index
// * column - The grid column index
// * cancel - Set this to true to cancel the edit or return false from your handler.
poco_check_ptr (pTable);
static const std::string signature("function(e)");
//extract the true row index from the last column!
std::string origRow("+e.grid.getStore().getAt(row).get('");
origRow.append(Poco::NumberFormatter::format(static_cast<Poco::UInt32>(pTable->getColumnCount())));
origRow.append("')");
std::map<std::string, std::string> addParams;
addParams.insert(std::make_pair(Table::FIELD_COL, "+col"));
addParams.insert(std::make_pair(Table::FIELD_ROW, origRow));
addParams.insert(std::make_pair(RequestHandler::KEY_EVID, Table::EV_STARTCELLVALUECHANGE));
return Utility::createServerCallback(signature, addParams, pTable->id(), pTable->startCellValueChange.getOnSuccess(), pTable->startCellValueChange.getOnFailure());
}
void TableRenderer::renderProperties(const Table* pTable, const RenderContext& context, std::ostream& ostr)
{
WebApplication& app = WebApplication::instance();
@@ -341,6 +367,13 @@ void TableRenderer::renderProperties(const Table* pTable, const RenderContext& c
written = Utility::writeJSEvent(ostr, EV_BEFORECELLVALUECHANGED, pTable->beforeCellValueChanged,
&TableRenderer::createBeforeCellValueChangedServerCallback, pTable);
}
if (pTable->startCellValueChange.hasJavaScriptCode())
{
if (written) ostr << ",";
written = Utility::writeJSEvent(ostr, EV_STARTCELLVALUECHANGE, pTable->startCellValueChange,
&TableRenderer::createStartCellValueChangeServerCallback, pTable);
}
}
if (pTable->keyDown.hasJavaScriptCode())

2
WebWidgets/ExtJS/src/TextFieldCellRenderer.cpp
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@@ -82,7 +82,7 @@ void TextFieldCellRenderer::renderBody(const Renderable* pRenderable, const Rend
void TextFieldCellRenderer::writeCellProperties(const TextFieldCell* pCell, std::ostream& ostr, bool writeValue, bool writeListeners)
{
Utility::writeCellProperties(pCell, ostr);
if (pCell->getEditMode() == Cell::EM_SELECTCONTENT)
ostr << ",selectOnFocus:true";
if (writeValue&& !pCell->getValue().empty())

26
WebWidgets/include/Poco/WebWidgets/Cell.h
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@@ -66,6 +66,13 @@ class WebWidgets_API Cell: public Renderable, public RequestProcessor
public:
typedef Poco::AutoPtr<Cell> Ptr;
enum EditMode
/// Confgures edit mode for cells
{
EM_SELECTCONTENT = 0,
EM_CURSORATENDOFVALUE
};
void enable(bool enabled = true);
/// Enables (if enabled == true) or disables the Cell.
@@ -155,6 +162,12 @@ public:
bool isEditable() const;
/// Returns true iff the Cell is editable.
void setEditMode(Cell::EditMode em);
/// Sets the edit mode
Cell::EditMode getEditMode() const;
/// Returns the edit mode
// RequestProcessor
virtual void handleForm(const std::string& field, const std::string& value);
/// Handles a form field submitted by the client.
@@ -180,6 +193,7 @@ protected:
/// Returns the owner of this Cell.
private:
EditMode _em;
View* _pOwner;
bool _enabled;
bool _editable;
@@ -255,6 +269,18 @@ inline int Cell::getRowIndex() const
}
inline void Cell::setEditMode(Cell::EditMode em)
{
_em = em;
}
inline Cell::EditMode Cell::getEditMode() const
{
return _em;
}
} } // namespace Poco::WebWidgets

7
WebWidgets/include/Poco/WebWidgets/Table.h
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@@ -81,6 +81,7 @@ public:
static const std::string EV_KEYPRESSED;
static const std::string EV_ROWSELECTED;
static const std::string EV_CELLSELECTED;
static const std::string EV_STARTCELLVALUECHANGE;
struct WebWidgets_API CellClick
{
@@ -121,9 +122,11 @@ public:
JavaScriptEvent<Table::CellClick> beforeCellClicked; /// fires when the mouse is pressed down on a cell
JavaScriptEvent<Table::CellValueChange> cellValueChanged;
JavaScriptEvent<Table::CellValueChange> cellValueChanged; /// triggered after data is written to the table
JavaScriptEvent<Table::CellValueChange> beforeCellValueChanged;
JavaScriptEvent<Table::CellValueChange> beforeCellValueChanged; /// triggered before data is written to the table
JavaScriptEvent<Table::CellClick> startCellValueChange; /// triggered before a beforeCellValueChanged
JavaScriptEvent<Table*> afterLoad; // thrown after data was loaded

19
WebWidgets/include/Poco/WebWidgets/TableColumn.h
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@@ -89,6 +89,12 @@ public:
bool isEditable() const;
/// Returns true iff the Cell is editable.
void setEditMode(Cell::EditMode em);
/// Sets the edit mode of the cell
Cell::EditMode getEditMode() const;
/// Returns the edit mode of the cell
void setCustomRenderer(const std::string& jsCode);
/// Allows to set custom JavaScript code that renders the values of the columns
/// This code depends on the rendering library used during run-time!
@@ -174,6 +180,19 @@ inline bool TableColumn::isEditable() const
}
inline void TableColumn::setEditMode(Cell::EditMode em)
{
_pCell->setEditMode(em);
}
inline Cell::EditMode TableColumn::getEditMode() const
{
return _pCell->getEditMode();
}
inline void TableColumn::setCustomRenderer(const std::string& jsCode)
{
_customRenderer = jsCode;

2
WebWidgets/src/Cell.cpp
View File

@@ -45,6 +45,7 @@ namespace WebWidgets {
Cell::Cell(View* pOwner, const std::type_info& type):
Renderable(type),
_em(EM_SELECTCONTENT),
_pOwner(pOwner),
_enabled(true),
_editable(true),
@@ -58,6 +59,7 @@ Cell::Cell(View* pOwner, const std::type_info& type):
Cell::Cell(const std::type_info& type):
Renderable(type),
_em(EM_SELECTCONTENT),
_pOwner(0),
_enabled(true),
_editable(true),

10
WebWidgets/src/Table.cpp
View File

@@ -63,6 +63,7 @@ const std::string Table::EV_KEYDOWN("keydown");
const std::string Table::EV_KEYPRESSED("keypressed");
const std::string Table::EV_ROWSELECTED("rowselected");
const std::string Table::EV_CELLSELECTED("cellselected");
const std::string Table::EV_STARTCELLVALUECHANGE("startedit");
Table::Table(const TableColumns& tc, TableModel::Ptr pModel):
@@ -301,6 +302,15 @@ void Table::handleAjaxRequest(const Poco::Net::NameValueCollection& args, Poco::
rowSelected(this, theRow);
response.send();
}
else if (ev == EV_STARTCELLVALUECHANGE)
{
if (col < 0 || row < 0 || col >= getColumnCount())
throw InvalidArgumentException("col/row out of range");
CellClick ev(row, col);
startCellValueChange(this, ev);
response.send();
}
}