Examples with DBDValueError org.jkiss.dbeaver.model.impl.data.DBDValueError used on opensource projects

Example 6 with DBDValueError

use of org.jkiss.dbeaver.model.impl.data.DBDValueError in project dbeaver by dbeaver.

the class ValueViewerPanel method viewValue.

private void viewValue(boolean forceRefresh) {
    if (valueSaving) {
        return;
    }
    if (valueManager == null || valueEditor == null) {
        forceRefresh = true;
    }
    if (forceRefresh) {
        cleanupPanel();
        referenceValueEditor = new ReferenceValueEditor(previewController, valueEditor);
        final boolean referenceValue = referenceValueEditor.isReferenceValue();
        if (referenceValue) {
            previewController.setEditType(IValueController.EditType.INLINE);
        } else {
            previewController.setEditType(IValueController.EditType.PANEL);
        }
        // Create a new one
        valueManager = previewController.getValueManager();
        try {
            valueEditor = valueManager.createEditor(previewController);
        } catch (Throwable e) {
            DBWorkbench.getPlatformUI().showError("Value preview", "Can't create value viewer", e);
            return;
        }
        if (valueEditor != null) {
            try {
                valueEditor.createControl();
            } catch (Exception e) {
                log.error(e);
            }
            boolean singleLineEditor = false;
            Control control = valueEditor.getControl();
            if (control != null) {
                singleLineEditor = control instanceof Combo || control instanceof CCombo || control instanceof Button || (control instanceof Text && (control.getStyle() & SWT.MULTI) == 0);
                UIUtils.addFocusTracker(presentation.getController().getSite(), VALUE_VIEW_CONTROL_ID, control);
                presentation.getController().lockActionsByFocus(control);
            }
            if (referenceValue || singleLineEditor) {
                GridLayout gl = new GridLayout(1, false);
                viewPlaceholder.setLayout(gl);
                valueEditor.getControl().setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
                referenceValueEditor.setValueEditor(valueEditor);
                referenceValueEditor.createEditorSelector(viewPlaceholder);
            } else {
                viewPlaceholder.setLayout(new FillLayout());
            }
        } else {
            final Composite placeholder = UIUtils.createPlaceholder(viewPlaceholder, 1);
            placeholder.setBackground(placeholder.getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
            placeholder.addPaintListener(e -> {
                Rectangle bounds = placeholder.getBounds();
                String message = "No editor for [" + previewController.getValueType().getTypeName() + "]";
                Point ext = e.gc.textExtent(message);
                e.gc.drawText(message, (bounds.width - ext.x) / 2, bounds.height / 3 + 20);
            });
            referenceValueEditor = null;
        }
        viewPlaceholder.layout();
    }
    if (valueEditor instanceof BaseValueEditor) {
        ((BaseValueEditor) valueEditor).setAutoSaveEnabled(false);
    }
    if (valueEditor != null) {
        try {
            Object newValue = previewController.getValue();
            if (newValue instanceof DBDValueError) {
            // Error value. Do not populate it in value viewer
            } else if (newValue instanceof DBDValue) {
                // Do not check for difference
                valueEditor.primeEditorValue(newValue);
            } else {
                Object oldValue = null;
                try {
                    if (previewController.getExecutionContext() != null) {
                        oldValue = valueEditor.extractEditorValue();
                    }
                } catch (Throwable e) {
                // Some error extracting current value
                // This may happen if we were disconnected
                }
                if (forceRefresh || !CommonUtils.equalObjects(oldValue, newValue)) {
                    valueEditor.primeEditorValue(newValue);
                }
            }
        } catch (DBException e) {
            log.error(e);
        }
        valueEditor.setDirty(false);
    }
    if (valueEditor instanceof BaseValueEditor) {
        ((BaseValueEditor) valueEditor).setAutoSaveEnabled(true);
    }
}