private void InitCommands()
{
#region Commands
_addDataEntityCommand = new AddDataEntityCommand()
{
//这里设置CanExcute是因为工具栏也要用这个Command，而工具栏上的添加按钮是共用于添加实体和项两种情况的
CanExcuteHandler = () =>
{
return(_controller.CurrentType == typeof(DataEntityDev));
}
};
_editDataEntityCommand = new EditDataEntityCommand()
{
CanExcuteHandler = () =>
{
return(_controller.SelectedItemsCount == 1 &&
_controller.GetSelectedItem <DataEntityDev>() != null);
},
GetArgumentHandler = () => { return(_controller.GetSelectedItem <DataEntityDev>()); }
};
_deleteDataEntityCommand = new DeleteDataEntityCommand()
{
CanExcuteHandler = () => { return(_controller.GetSelectedItems <DataEntityDev>().Count > 0); },
GetArgumentHandler = () => { return(_controller.GetSelectedItems <DataEntityDev>()); }
};
_createSqlCommand = new CreateSqlCommand()
{
CanExcuteHandler = () => { return(_controller.GetSelectedItems <DataEntityDev>().Count > 0); },
GetArgumentHandler = () => { return(_controller.GetSelectedItems <DataEntity>()); }
};
_addDataItemEntityCommand = new AddDataItemEntityCommand()
{
//这里拿数据实体DataEntityDev对象， 通过_gridViewController的上下文
CanExcuteHandler = () => { return(_controller.GetContextData <DataEntityDev>() != null); },
GetArgumentHandler = () => { return(_controller.GetContextData <DataEntityDev>()); }
};
_editDataItemEntityCommand = new EditDataItemEntityCommand()
{
CanExcuteHandler = () =>
{
return(_controller.SelectedItemsCount == 1 &&
_controller.GetSelectedItem <DataItemEntityDev>() != null);
},
GetArgumentHandler = () => { return(_controller.GetSelectedItem <DataItemEntityDev>()); }
};
_deleteDataItemEntityCommand = new DeleteDataItemEntityCommand()
{
CanExcuteHandler = () => { return(_controller.GetSelectedItems <DataItemEntityDev>().Count > 0); },
GetArgumentHandler = () => { return(_controller.GetSelectedItems <DataItemEntityDev>()); }
};
#endregion
}
private void InitCommands()
{
#region Commands
_addDataEntityCommand = new AddDataEntityCommand();
_editDataEntityCommand = new EditDataEntityCommand()
{
CanExcuteHandler = () =>
{
return(_navigationTreeController.GetSelectedData <DataEntityDev>() != null);
},
GetArgumentHandler = () => { return(_navigationTreeController.GetSelectedData <DataEntityDev>()); }
};
_deleteDataEntityCommand = new DeleteDataEntityCommand()
{
CanExcuteHandler = () =>
{
return(_navigationTreeController.GetSelectedData <DataEntityDev>() != null);
},
GetArgumentHandler = () =>
{
return(new List <DataEntityDev>()
{
_navigationTreeController.GetSelectedData <DataEntityDev>()
});
}
};
_createSqlCommand = new CreateSqlCommand()
{
CanExcuteHandler = () =>
{
return(_navigationTreeController.GetSelectedData <DataEntityDev>() != null);
},
GetArgumentHandler = () =>
{
return(new List <DataEntity>()
{
_navigationTreeController.GetSelectedData <DataEntityDev>()
});
}
};
_addDataItemEntityCommand = new AddDataItemEntityCommand()
{
CanExcuteHandler = () =>
{
return(_navigationTreeController.GetSelectedData <DataEntityDev>(true) != null);
},
GetArgumentHandler = () =>
{
return(_navigationTreeController.GetSelectedData <DataEntityDev>(true));
}
};
_editDataItemEntityCommand = new EditDataItemEntityCommand()
{
CanExcuteHandler = () =>
{
return(_navigationTreeController.GetSelectedData <DataItemEntityDev>() != null);
},
GetArgumentHandler = () => { return(_navigationTreeController.GetSelectedData <DataItemEntityDev>()); }
};
_deleteDataItemEntityCommand = new DeleteDataItemEntityCommand()
{
CanExcuteHandler = () =>
{
return(_navigationTreeController.GetSelectedData <DataItemEntityDev>() != null);
},
GetArgumentHandler = () =>
{
return(new List <DataItemEntityDev>()
{
_navigationTreeController.GetSelectedData <DataItemEntityDev>()
});
}
};
#endregion
}
public TreeMenuDataEntity()
: base("TreeMenuDataEntity")
{
this.Items.Add(new ToolStripMenuItemCodon("Add", Language.Current.TreeMenuDataEntity_Add,
delegate(object sender, ToolStripItemCodonEventArgs args)
{
if (this.AddCommand != null)
{
AddCommand.Excute();
}
})
{
IsEnabled = (e) => { if (AddCommand == null)
{
return(false);
}
else
{
return(AddCommand.CanExcute());
} }
});
this.Items.Add(new ToolStripMenuItemCodon("Edit", Language.Current.TreeMenuDataEntity_Edit,
delegate(object sender, ToolStripItemCodonEventArgs args)
{
if (this.EditCommand != null)
{
EditCommand.Excute();
}
})
{
IsEnabled = (e) => { if (EditCommand == null)
{
return(false);
}
else
{
return(EditCommand.CanExcute());
} }
});
this.Items.Add(new ToolStripMenuItemCodon("Delete", Language.Current.TreeMenuDataEntity_Delete,
delegate(object sender, ToolStripItemCodonEventArgs args)
{
if (this.DeleteCommand != null)
{
DeleteCommand.Excute();
}
})
{
IsEnabled = (e) => { if (DeleteCommand == null)
{
return(false);
}
else
{
return(DeleteCommand.CanExcute());
} }
});
this.Items.Add(new ToolStripMenuItemCodon("CreateSql", Language.Current.TreeMenuDataEntity_CreateSql,
IconsLibrary.Script, delegate(object sender, ToolStripItemCodonEventArgs args)
{
if (this.CreateSqlCommand != null)
{
CreateSqlCommand.Excute();
}
})
{
IsEnabled = (e) => { if (CreateSqlCommand == null)
{
return(false);
}
else
{
return(CreateSqlCommand.CanExcute());
} }
});
this.Items.Add(new ToolStripSeparatorCodon());
this.Items.Add(new ToolStripMenuItemCodon("AddItem", Language.Current.TreeMenuDataEntity_AddItem,
delegate(object sender, ToolStripItemCodonEventArgs args)
{
if (this.AddItemCommand != null)
{
AddItemCommand.Excute();
}
})
{
IsEnabled = (e) => { if (AddItemCommand == null)
{
return(false);
}
else
{
return(AddItemCommand.CanExcute());
} }
});
}
