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Add some exception handling to the style merger

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Catches some of the model exceptions that may occur when processing
the merge and just prints out some debug information.

Task-number: QDS-2071
Change-Id: I6303c2ac1b9373f7d594aaf811e99cb4badf36ad
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>
This commit is contained in:
Michael Brüning
2020-05-28 17:59:36 +02:00
parent 38eaada47d
commit c2bba223e6
1 changed files with 132 additions and 60 deletions
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72
src/plugins/qmldesigner/designercore/model/stylesheetmerger.cpp
View File

@@ -26,6 +26,9 @@
#include <abstractview.h>
#include <bindingproperty.h>
#include <invalididexception.h>
#include <invalidmodelnodeexception.h>
#include <invalidreparentingexception.h>
#include <modelmerger.h>
#include <nodeabstractproperty.h>
#include <nodelistproperty.h>
@@ -194,6 +197,8 @@ QPoint parentPosition(const ModelNode &node)
void StylesheetMerger::preprocessStyleSheet()
{
try {
RewriterTransaction transaction(m_styleView, "preprocess-stylesheet");
for (ModelNode currentStyleNode : m_styleView->rootModelNode().directSubModelNodes()) {
QString id = currentStyleNode.id();
@@ -233,6 +238,21 @@ void StylesheetMerger::preprocessStyleSheet()
if (templateParentIndex >= 0 && styleParentIndex != templateParentIndex)
newParentProperty.slide(styleParentIndex, templateParentIndex);
}
transaction.commit();
}catch (InvalidIdException &ide) {
qDebug().noquote() << "Invalid id exception while preprocessing the style sheet.";
ide.createWarning();
} catch (InvalidReparentingException &rpe) {
qDebug().noquote() << "Invalid reparenting exception while preprocessing the style sheet.";
rpe.createWarning();
} catch (InvalidModelNodeException &mne) {
qDebug().noquote() << "Invalid model node exception while preprocessing the style sheet.";
mne.createWarning();
} catch (Exception &e) {
qDebug().noquote() << "Exception while preprocessing the style sheet.";
e.createWarning();
}
}
void StylesheetMerger::replaceNode(ModelNode &replacedNode, ModelNode &newNode)
@@ -269,6 +289,8 @@ void StylesheetMerger::replaceNode(ModelNode &replacedNode, ModelNode &newNode)
void StylesheetMerger::replaceRootNode(ModelNode& templateRootNode)
{
try {
RewriterTransaction transaction(m_templateView, "replace-root-node");
ModelMerger merger(m_templateView);
QString rootId = templateRootNode.id();
// If we shall replace the root node of the template with the style,
@@ -279,6 +301,20 @@ void StylesheetMerger::replaceRootNode(ModelNode& templateRootNode)
// Then reset the id to the old root's one.
ModelNode newRoot = m_templateView->rootModelNode();
newRoot.setIdWithoutRefactoring(rootId);
transaction.commit();
} catch (InvalidIdException &ide) {
qDebug().noquote() << "Invalid id exception while replacing root node of template.";
ide.createWarning();
} catch (InvalidReparentingException &rpe) {
qDebug().noquote() << "Invalid reparenting exception while replacing root node of template.";
rpe.createWarning();
} catch (InvalidModelNodeException &mne) {
qDebug().noquote() << "Invalid model node exception while replacing root node of template.";
mne.createWarning();
} catch (Exception &e) {
qDebug().noquote() << "Exception while replacing root node of template.";
e.createWarning();
}
}
// Move the newly created nodes to the correct position in the parent node
@@ -366,6 +402,7 @@ void StylesheetMerger::merge()
// create the replacement nodes for the styled nodes
{
try {
RewriterTransaction transaction(m_templateView, "create-replacement-node");
ModelNode replacedNode = m_templateView->modelNodeForId(currentNode.id());
@@ -375,9 +412,27 @@ void StylesheetMerger::merge()
replaceNode(replacedNode, replacementNode);
transaction.commit();
} catch (InvalidIdException &ide) {
qDebug().noquote() << "Invalid id exception while replacing template node";
ide.createWarning();
continue;
} catch (InvalidReparentingException &rpe) {
qDebug().noquote() << "Invalid reparenting exception while replacing template node";
rpe.createWarning();
continue;
} catch (InvalidModelNodeException &mne) {
qDebug().noquote() << "Invalid model node exception while replacing template node";
mne.createWarning();
continue;
} catch (Exception &e) {
qDebug().noquote() << "Exception while replacing template node.";
e.createWarning();
continue;
}
}
// sync the properties from the stylesheet
{
try {
RewriterTransaction transaction(m_templateView, "sync-style-node-properties");
ModelNode templateNode = m_templateView->modelNodeForId(currentNode.id());
applyStyleProperties(templateNode, currentNode);
@@ -399,6 +454,23 @@ void StylesheetMerger::merge()
}
}
transaction.commit();
} catch (InvalidIdException &ide) {
qDebug().noquote() << "Invalid id exception while syncing style properties to template";
ide.createWarning();
continue;
} catch (InvalidReparentingException &rpe) {
qDebug().noquote() << "Invalid reparenting exception while syncing style properties to template";
rpe.createWarning();
continue;
} catch (InvalidModelNodeException &mne) {
qDebug().noquote() << "Invalid model node exception while syncing style properties to template";
mne.createWarning();
continue;
} catch (Exception &e) {
qDebug().noquote() << "Exception while syncing style properties.";
e.createWarning();
continue;
}
}
}
}