Fixes martin-g#381 - Add functionality to disable the enforcement of the focus so that inner components (like Select2) can acquire the focus

Author: martin-g

bootstrap-core/src/main/java/de/agilecoders/wicket/core/markup/html/bootstrap/dialog/Modal.java

@@ -78,6 +78,14 @@ public static enum Backdrop {
  private final IModel<Boolean> closeOnEscapeKey = Model.of(true);
  private final IModel<Backdrop> backdrop = Model.of(Backdrop.TRUE);
 
+ /**
+ * Disables the enforcement of the focus.
+ * Needed in cases when a component inside the modal requires
+ * the focus as well.
+ * See <a href="https://github.com/l0rdn1kk0n/wicket-bootstrap/issues/381">#381</a>
+ */
+ private final IModel<Boolean> disableEnforceFocus = Model.of(false);
+
  private final Label headerLabel;
  private final List<Component> buttons = new ArrayList<Component>();
  private final WebMarkupContainer footer;
@@ -327,14 +335,29 @@ public Modal<T> close(final AjaxRequestTarget target) {
  /**
  * Append dialog show JavaScript to current request AJAX target.
  * 
- * @param target
+ * @param target The current {@link AjaxRequestTarget}
  * @return This
  */
  public Modal<T> appendShowDialogJavaScript(final AjaxRequestTarget target) {
  target.appendJavaScript(createActionScript(getMarkupId(true), "show"));
+ appendDisableEnforceFocus(target);
+
  return this;
  }
- 
+
+ /**
+ * Appends JavaScript snippet that disables the modal's enforceFocus functionality
+ *
+ * @param target The current {@link AjaxRequestTarget}
+ * @return This
+ */
+ protected Modal<T> appendDisableEnforceFocus(AjaxRequestTarget target) {
+ if (disableEnforceFocus.getObject()) {
+ target.appendJavaScript("$.fn.modal.Constructor.prototype.enforceFocus = function () {};");
+ }
+ return this;
+ }
+
  /**
  * A short alias for {@link Modal#appendShowDialogJavaScript}
  * @param target
@@ -532,4 +555,16 @@ public final Modal<T> setUseKeyboard(boolean keyboard) {
  return this;
  }
 
+ /**
+ * Whether the modal should not enforce the focus.
+ *
+ * @param disable true, if the modal should not enforce the focus
+ * @return This
+ */
+ public final Modal<T> setDisableEnforceFocus(boolean disable) {
+ this.disableEnforceFocus.setObject(disable);
+ return this;
+ }
+
+
 }