cellTable.setVisibleRangeAndClearData(new Range(0, 9999), false);
On Tuesday, April 17, 2012 at 1:09:45 PM UTC+2, Magallo wrote:
>
> Just to quote U2....I still haven't found what I'm looking for...... For
> now I just use a custom label with the "loading..." text instead of a
> loading indicator. I know it's not the right solution but it's a workaround
> that helps waiting for the right solution.
>
> On Tuesday, March 20, 2012 3:20:57 PM UTC+1, develop.acb wrote:
>>
>>
>> Hello,
>> we have similar problems with CellTable and DataGrid. I can´t find a
>> solution getting the loading indicator to work!
>> Is there anybody who could provide somthing like "How to use loading
>> indicator"?
>>
>> Thanks...
>>
>>
>>
>> Am Montag, 5. März 2012 17:23:34 UTC+1 schrieb Magallo:
>>>
>>>
>>>
>>> On Friday, March 2, 2012 10:10:13 AM UTC+1, Magallo wrote:
>>>>
>>>> I have a very similar problem. I have a DataGrid and when I load data
>>>> from an RPC I want to show the loading indicator on the grid and when the
>>>> data are loaded I wanted to show them. I initialize the datagrid with;
>>>>
>>>> myDataGrid.setLoadingIndicator(new Image(/*my ImageResource object*/);
>>>>
>>>> then during the program flow, just before making an async RPC, I would
>>>> like to set the DataGrid in the state of 'Loading'
>>>> so that the loading indicator is shown. Then, after the RPC returns I
>>>> would like to set the DataGrid in the state of 'Loaded'
>>>> to show the data rows. I tried with this:
>>>>
>>>> ....
>>>> myDataGrid.fireEvent(new LoadingStateChangeEvent(LoadingState.LOADING));
>>>> ....
>>>> myDataGrid.fireEvent(new LoadingStateChangeEvent(LoadingState.LOADED));
>>>> but nothing happens.
>>>>
>>>> I have also tried to call setVisibleRangeAndClearData but it doesn't
>>>> work.
>>>>
>>>> I read from Thomas Broyer that "the loading indicator is shown only
>>>> when the LoadingState is LOADING, and that one is set by the internal
>>>> HasDataPresenter only when the known rowData is empty (and the rowCount is
>>>> not 0)." What exactly does it mean? What is the 'known' rowData? I use a
>>>> ListDataProvider to bind data to the DataGrid. Where am I wrong? What is
>>>> the right way to set the 'Loading' state of the DataGrid?
>>>>
>>>> jgm: does you code did the trick? I think anyway it's just a little too
>>>> tricky. I think that considering how the DataGrid (and CellTable also) is
>>>> designed, I really think and hope there is a simple way. The support for
>>>> this is not really good. I think google should explain better how to use
>>>> these controls.
>>>>
>>>> Cheers.
>>>>
>>>> On Wednesday, February 1, 2012 3:26:10 PM UTC+1, jgm wrote:
>>>>>
>>>>> Hi,
>>>>>
>>>>> Thanks for your quick answer.
>>>>>
>>>>> We also in the meantime found out that ..
>>>>>
>>>>> private void clearTable() {
>>>>> if (dataProvider.getDataDisplays() != null &&
>>>>> dataProvider.getDataDisplays().isEmpty() == false) {
>>>>> dataProvider.removeDataDisplay(cellTable);
>>>>> }
>>>>>
>>>>> clearTableColumns();
>>>>>
>>>>> cellTable.setVisibleRangeAndClearData(cellTable.getVisibleRange(),
>>>>>
>>>>> true);
>>>>> cellTable.setLoadingIndicator(imageProcessing);
>>>>> }
>>>>>
>>>>> did the trick !
>>>>>
>>>>> On 1 Feb., 14:44, Thomas Broyer <[email protected]> wrote:
>>>>> > AFAICT, CellTable shows the loading indicator only when the
>>>>> LoadingState is
>>>>> > LOADING, and that one is set by the internal HasDataPresenter only
>>>>> when the
>>>>> > known rowData is empty (and the rowCount is not 0). So I think you
>>>>> need to
>>>>> > call setVisibleRangeAndClearData().
>>>>
>>>>
>>>> On Wednesday, February 1, 2012 3:26:10 PM UTC+1, jgm wrote:
>>>>>
>>>>> Hi,
>>>>>
>>>>> Thanks for your quick answer.
>>>>>
>>>>> We also in the meantime found out that ..
>>>>>
>>>>> private void clearTable() {
>>>>> if (dataProvider.getDataDisplays() != null &&
>>>>> dataProvider.getDataDisplays().isEmpty() == false) {
>>>>> dataProvider.removeDataDisplay(cellTable);
>>>>> }
>>>>>
>>>>> clearTableColumns();
>>>>>
>>>>> cellTable.setVisibleRangeAndClearData(cellTable.getVisibleRange(),
>>>>>
>>>>> true);
>>>>> cellTable.setLoadingIndicator(imageProcessing);
>>>>> }
>>>>>
>>>>> did the trick !
>>>>>
>>>>> On 1 Feb., 14:44, Thomas Broyer <[email protected]> wrote:
>>>>> > AFAICT, CellTable shows the loading indicator only when the
>>>>> LoadingState is
>>>>> > LOADING, and that one is set by the internal HasDataPresenter only
>>>>> when the
>>>>> > known rowData is empty (and the rowCount is not 0). So I think you
>>>>> need to
>>>>> > call setVisibleRangeAndClearData().
>>>>
>>>>
>>>> On Wednesday, February 1, 2012 3:26:10 PM UTC+1, jgm wrote:
>>>>>
>>>>> Hi,
>>>>>
>>>>> Thanks for your quick answer.
>>>>>
>>>>> We also in the meantime found out that ..
>>>>>
>>>>> private void clearTable() {
>>>>> if (dataProvider.getDataDisplays() != null &&
>>>>> dataProvider.getDataDisplays().isEmpty() == false) {
>>>>> dataProvider.removeDataDisplay(cellTable);
>>>>> }
>>>>>
>>>>> clearTableColumns();
>>>>>
>>>>> cellTable.setVisibleRangeAndClearData(cellTable.getVisibleRange(),
>>>>>
>>>>> true);
>>>>> cellTable.setLoadingIndicator(imageProcessing);
>>>>> }
>>>>>
>>>>> did the trick !
>>>>>
>>>>> On 1 Feb., 14:44, Thomas Broyer <[email protected]> wrote:
>>>>> > AFAICT, CellTable shows the loading indicator only when the
>>>>> LoadingState is
>>>>> > LOADING, and that one is set by the internal HasDataPresenter only
>>>>> when the
>>>>> > known rowData is empty (and the rowCount is not 0). So I think you
>>>>> need to
>>>>> > call setVisibleRangeAndClearData().
>>>>
>>>>
>>>> On Wednesday, February 1, 2012 3:26:10 PM UTC+1, jgm wrote:
>>>>>
>>>>> Hi,
>>>>>
>>>>> Thanks for your quick answer.
>>>>>
>>>>> We also in the meantime found out that ..
>>>>>
>>>>> private void clearTable() {
>>>>> if (dataProvider.getDataDisplays() != null &&
>>>>> dataProvider.getDataDisplays().isEmpty() == false) {
>>>>> dataProvider.removeDataDisplay(cellTable);
>>>>> }
>>>>>
>>>>> clearTableColumns();
>>>>>
>>>>> cellTable.setVisibleRangeAndClearData(cellTable.getVisibleRange(),
>>>>>
>>>>> true);
>>>>> cellTable.setLoadingIndicator(imageProcessing);
>>>>> }
>>>>>
>>>>> did the trick !
>>>>>
>>>>> On 1 Feb., 14:44, Thomas Broyer <[email protected]> wrote:
>>>>> > AFAICT, CellTable shows the loading indicator only when the
>>>>> LoadingState is
>>>>> > LOADING, and that one is set by the internal HasDataPresenter only
>>>>> when the
>>>>> > known rowData is empty (and the rowCount is not 0). So I think you
>>>>> need to
>>>>> > call setVisibleRangeAndClearData().
>>>>
>>>>
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