X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;ds=inline;f=org.argeo.cms.ui%2Fsrc%2Forg%2Fargeo%2Fcms%2Fui%2Feclipse%2Fforms%2FIManagedForm.java;fp=org.argeo.cms.ui%2Fsrc%2Forg%2Fargeo%2Fcms%2Fui%2Feclipse%2Fforms%2FIManagedForm.java;h=cec7bb9c7e37b81dfdd6659604e71318946a3efb;hb=b4f8687c665491a6c8a623d8cd7ad7c6f353b838;hp=0000000000000000000000000000000000000000;hpb=0ec5134a2a650d98b5ca56e7dad81dd252023052;p=lgpl%2Fargeo-commons.git diff --git a/org.argeo.cms.ui/src/org/argeo/cms/ui/eclipse/forms/IManagedForm.java b/org.argeo.cms.ui/src/org/argeo/cms/ui/eclipse/forms/IManagedForm.java new file mode 100644 index 000000000..cec7bb9c7 --- /dev/null +++ b/org.argeo.cms.ui/src/org/argeo/cms/ui/eclipse/forms/IManagedForm.java @@ -0,0 +1,174 @@ +package org.argeo.cms.ui.eclipse.forms; + +import org.eclipse.jface.viewers.ISelection; +//import org.eclipse.ui.forms.widgets.FormToolkit; +//import org.eclipse.ui.forms.widgets.ScrolledForm; + +/** + * Managed form wraps a form widget and adds life cycle methods for form parts. + * A form part is a portion of the form that participates in form life cycle + * events. + *
+ * There is no 1/1 mapping between widgets and form parts. A widget like Section + * can be a part by itself, but a number of widgets can gather around one form + * part. + *
+ * This interface should not be extended or implemented. New form instances
+ * should be created using ManagedForm.
+ *
+ * @see ManagedForm
+ * @since 1.0
+ * @noimplement This interface is not intended to be implemented by clients.
+ * @noextend This interface is not intended to be extended by clients.
+ */
+public interface IManagedForm {
+ /**
+ * Initializes the form by looping through the managed parts and
+ * initializing them. Has no effect if already called once.
+ */
+ public void initialize();
+
+ /**
+ * Returns the toolkit used by this form.
+ *
+ * @return the toolkit
+ */
+ public FormToolkit getToolkit();
+
+ /**
+ * Returns the form widget managed by this form.
+ *
+ * @return the form widget
+ */
+// public ScrolledForm getForm();
+
+ /**
+ * Reflows the form as a result of the layout change.
+ *
+ * @param changed
+ * if true
, discard cached layout information
+ */
+ public void reflow(boolean changed);
+
+ /**
+ * A part can use this method to notify other parts that implement
+ * IPartSelectionListener about selection changes.
+ *
+ * @param part
+ * the part that broadcasts the selection
+ * @param selection
+ * the selection in the part
+ */
+ public void fireSelectionChanged(IFormPart part, ISelection selection);
+
+ /**
+ * Returns all the parts currently managed by this form.
+ *
+ * @return the managed parts
+ */
+ IFormPart[] getParts();
+
+ /**
+ * Adds the new part to the form.
+ *
+ * @param part
+ * the part to add
+ */
+ void addPart(IFormPart part);
+
+ /**
+ * Removes the part from the form.
+ *
+ * @param part
+ * the part to remove
+ */
+ void removePart(IFormPart part);
+
+ /**
+ * Sets the input of this page to the provided object.
+ *
+ * @param input
+ * the new page input
+ * @return true
if the form contains this object,
+ * false
otherwise.
+ */
+ boolean setInput(Object input);
+
+ /**
+ * Returns the current page input.
+ *
+ * @return page input object or null
if not applicable.
+ */
+ Object getInput();
+
+ /**
+ * Tests if form is dirty. A managed form is dirty if at least one managed
+ * part is dirty.
+ *
+ * @return true
if at least one managed part is dirty,
+ * false
otherwise.
+ */
+ boolean isDirty();
+
+ /**
+ * Notifies the form that the dirty state of one of its parts has changed.
+ * The global dirty state of the form can be obtained by calling 'isDirty'.
+ *
+ * @see #isDirty
+ */
+ void dirtyStateChanged();
+
+ /**
+ * Commits the dirty form. All pending changes in the widgets are flushed
+ * into the model.
+ *
+ * @param onSave
+ */
+ void commit(boolean onSave);
+
+ /**
+ * Tests if form is stale. A managed form is stale if at least one managed
+ * part is stale. This can happen when the underlying model changes,
+ * resulting in the presentation of the part being out of sync with the
+ * model and needing refreshing.
+ *
+ * @return true
if the form is stale, false
+ * otherwise.
+ */
+ boolean isStale();
+
+ /**
+ * Notifies the form that the stale state of one of its parts has changed.
+ * The global stale state of the form can be obtained by calling 'isStale'.
+ */
+ void staleStateChanged();
+
+ /**
+ * Refreshes the form by refreshing every part that is stale.
+ */
+ void refresh();
+
+ /**
+ * Sets the container that owns this form. Depending on the context, the
+ * container may be wizard, editor page, editor etc.
+ *
+ * @param container
+ * the container of this form
+ */
+ void setContainer(Object container);
+
+ /**
+ * Returns the container of this form.
+ *
+ * @return the form container
+ */
+ Object getContainer();
+
+ /**
+ * Returns the message manager that will keep track of messages in this
+ * form.
+ *
+ * @return the message manager instance
+ */
+// IMessageManager getMessageManager();
+}