From 6ba96d00e4b6e91b53c7772eaf5b6a9b0f2894b3 Mon Sep 17 00:00:00 2001 From: Raphael Moll Date: Thu, 22 Jul 2010 14:48:09 -0400 Subject: [PATCH] ADT GLE2: paste element in empty layout. Change-Id: I792947e39d4b0ef7828f2df394bac81c0da37970 --- .../editors/layout/gle2/GraphicalEditorPart.java | 2 - .../internal/editors/layout/gle2/LayoutCanvas.java | 123 ++++++++++++++++++++- 2 files changed, 117 insertions(+), 8 deletions(-) diff --git a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/gle2/GraphicalEditorPart.java b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/gle2/GraphicalEditorPart.java index 5a4761dd8..0659d2d6e 100755 --- a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/gle2/GraphicalEditorPart.java +++ b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/gle2/GraphicalEditorPart.java @@ -110,8 +110,6 @@ import java.util.Map; * * TODO List: * - display error icon - * - finish palette (see palette's todo list) - * - finish canvas (see canvas' todo list) * - completly rethink the property panel */ public class GraphicalEditorPart extends EditorPart diff --git a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/gle2/LayoutCanvas.java b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/gle2/LayoutCanvas.java index e8a6dd499..c724207eb 100755 --- a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/gle2/LayoutCanvas.java +++ b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/gle2/LayoutCanvas.java @@ -17,9 +17,11 @@ package com.android.ide.eclipse.adt.internal.editors.layout.gle2; import com.android.ide.eclipse.adt.AdtPlugin; +import com.android.ide.eclipse.adt.editors.layout.gscripts.IDragElement; import com.android.ide.eclipse.adt.editors.layout.gscripts.INode; import com.android.ide.eclipse.adt.editors.layout.gscripts.Point; import com.android.ide.eclipse.adt.editors.layout.gscripts.Rect; +import com.android.ide.eclipse.adt.editors.layout.gscripts.IDragElement.IDragAttribute; import com.android.ide.eclipse.adt.internal.editors.AndroidXmlEditor; import com.android.ide.eclipse.adt.internal.editors.descriptors.AttributeDescriptor; import com.android.ide.eclipse.adt.internal.editors.descriptors.DescriptorsUtils; @@ -134,9 +136,7 @@ import java.util.Set; * TODO list: * - gray on error, keep select but disable d'n'd. * - context menu handling of layout + local props (via IViewRules) - * - handle empty root: - * - Must also be able to copy/paste into an empty document (prolly need to bypass script, and deal with the xmlns) - * - We must be able to move/copy/cut the top root element (mostly between documents). + * - properly handle custom views */ class LayoutCanvas extends Canvas implements ISelectionProvider { @@ -1471,7 +1471,6 @@ class LayoutCanvas extends Canvas implements ISelectionProvider { if (e.detail == DND.DROP_MOVE) { // Remove from source. Since we know the selection, we'll simply // create a cut operation on the existing drag selection. - AdtPlugin.printToConsole("CanvasDND", "dragFinished => MOVE"); // Create an undo wrapper, which takes a runnable mLayoutEditor.wrapUndoRecording( @@ -2008,9 +2007,114 @@ class LayoutCanvas extends Canvas implements ISelectionProvider { getRulesEngine().callOnPaste(targetNode, pasted); } - private void pasteInEmptyDocument(SimpleElement simpleElement) { - // TODO Auto-generated method stub + /** + * Paste a new root into an empty XML layout. + *

+ * In case of error (unknown FQCN, document not empty), silently do nothing. + * In case of success, the new element will have some default attributes set (xmlns:android, + * layout_width and height). The edit is wrapped in a proper undo. + *

+ * Implementation is similar to {@link #createDocumentRoot(String)} except we also + * copy all the attributes and inner elements recursively. + */ + private void pasteInEmptyDocument(final IDragElement pastedElement) { + String rootFqcn = pastedElement.getFqcn(); + + // Need a valid empty document to create the new root + final UiDocumentNode uiDoc = mLayoutEditor.getUiRootNode(); + if (uiDoc == null || uiDoc.getUiChildren().size() > 0) { + debugPrintf("Failed to paste document root for %1$s: document is not empty", rootFqcn); + return; + } + + // Find the view descriptor matching our FQCN + final ViewElementDescriptor viewDesc = mLayoutEditor.getFqcnViewDescritor(rootFqcn); + if (viewDesc == null) { + // TODO this could happen if pasting a custom view not known in this project + debugPrintf("Failed to paste document root, unknown FQCN %1$s", rootFqcn); + return; + } + + // Get the last segment of the FQCN for the undo title + String title = rootFqcn; + int pos = title.lastIndexOf('.'); + if (pos > 0 && pos < title.length() - 1) { + title = title.substring(pos + 1); + } + title = String.format("Paste root %1$s in document", title); + + mLayoutEditor.wrapUndoRecording(title, new Runnable() { + public void run() { + mLayoutEditor.editXmlModel(new Runnable() { + public void run() { + UiElementNode uiNew = uiDoc.appendNewUiChild(viewDesc); + + // A root node requires the Android XMLNS + uiNew.setAttributeValue( + "android", + XmlnsAttributeDescriptor.XMLNS_URI, + SdkConstants.NS_RESOURCES, + true /*override*/); + // Copy all the attributes from the pasted element + for (IDragAttribute attr : pastedElement.getAttributes()) { + uiNew.setAttributeValue( + attr.getName(), + attr.getUri(), + attr.getValue(), + true /*override*/); + } + + // Adjust the attributes, adding the default layout_width/height + // only if they are not present (the original element should have + // them though.) + DescriptorsUtils.setDefaultLayoutAttributes(uiNew, false /*updateLayout*/); + + uiNew.createXmlNode(); + + // Now process all children + for (IDragElement childElement : pastedElement.getInnerElements()) { + addChild(uiNew, childElement); + } + } + + private void addChild(UiElementNode uiParent, IDragElement childElement) { + String childFqcn = childElement.getFqcn(); + final ViewElementDescriptor childDesc = + mLayoutEditor.getFqcnViewDescritor(childFqcn); + if (childDesc == null) { + // TODO this could happen if pasting a custom view + debugPrintf("Failed to paste element, unknown FQCN %1$s", childFqcn); + return; + } + + UiElementNode uiChild = uiParent.appendNewUiChild(childDesc); + + // Copy all the attributes from the pasted element + for (IDragAttribute attr : childElement.getAttributes()) { + uiChild.setAttributeValue( + attr.getName(), + attr.getUri(), + attr.getValue(), + true /*override*/); + } + + // Adjust the attributes, adding the default layout_width/height + // only if they are not present (the original element should have + // them though.) + DescriptorsUtils.setDefaultLayoutAttributes( + uiChild, false /*updateLayout*/); + + uiChild.createXmlNode(); + + // Now process all grand children + for (IDragElement grandChildElement : childElement.getInnerElements()) { + addChild(uiChild, grandChildElement); + } + } + }); + } + }); } /** @@ -2030,12 +2134,15 @@ class LayoutCanvas extends Canvas implements ISelectionProvider { // Need a valid empty document to create the new root final UiDocumentNode uiDoc = mLayoutEditor.getUiRootNode(); if (uiDoc == null || uiDoc.getUiChildren().size() > 0) { + debugPrintf("Failed to create document root for %1$s: document is not empty", rootFqcn); return; } // Find the view descriptor matching our FQCN final ViewElementDescriptor viewDesc = mLayoutEditor.getFqcnViewDescritor(rootFqcn); if (viewDesc == null) { + // TODO this could happen if dropping a custom view not known in this project + debugPrintf("Failed to add document root, unknown FQCN %1$s", rootFqcn); return; } @@ -2069,4 +2176,8 @@ class LayoutCanvas extends Canvas implements ISelectionProvider { } }); } + + private void debugPrintf(String message, Object... params) { + AdtPlugin.printToConsole("Canvas", String.format(message, params)); + } } -- 2.11.0