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UIEXT-3487 WebUI-Migration Binary Objects to PNGs #44

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1fa1f98
AP-23709: Fix deprecated box auth settings using CredentialsFlowVarCh…
jannik-loescher-knime Mar 24, 2026
cfa9c34
UIEXT-3487: WebUI-Migration Binary Objects to PNGs
tcrundall-tng Mar 25, 2026
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40 changes: 40 additions & 0 deletions org.knime.base.filehandling.tests/files/node_settings/BinaryObjectsToPNGsNodeParameters.xml
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<?xml version="1.0" encoding="UTF-8"?>
<config xmlns="http://www.knime.org/2008/09/XMLConfig" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.knime.org/2008/09/XMLConfig http://www.knime.org/XMLConfig_2008_09.xsd" key="settings.xml">
<entry key="node_file" type="xstring" value="settings.xml"/>
<config key="flow_stack"/>
<config key="internal_node_subsettings">
<entry key="memory_policy" type="xstring" value="CacheSmallInMemory"/>
</config>
<config key="model">
<entry key="columnselection" type="xstring" value="Image"/>
<entry key="replace" type="xstring" value="Append"/>
<entry key="columnname" type="xstring" value="PNG"/>
</config>
<config key="variables"/>
<entry key="customDescription" type="xstring" isnull="true" value=""/>
<entry key="state" type="xstring" value="CONFIGURED"/>
<entry key="factory" type="xstring" value="org.knime.base.filehandling.binaryobjectstopngs.BinaryObjectsToPNGsNodeFactory"/>
<entry key="node-name" type="xstring" value="Binary Objects to PNGs"/>
<entry key="node-bundle-name" type="xstring" value="KNIME File Handling Nodes"/>
<entry key="node-bundle-symbolic-name" type="xstring" value="org.knime.base.filehandling"/>
<entry key="node-bundle-vendor" type="xstring" value="KNIME AG, Zurich, Switzerland"/>
<entry key="node-bundle-version" type="xstring" value="5.11.0.qualifier"/>
<entry key="node-feature-name" type="xstring" isnull="true" value=""/>
<entry key="node-feature-symbolic-name" type="xstring" isnull="true" value=""/>
<entry key="node-feature-vendor" type="xstring" isnull="true" value=""/>
<entry key="node-feature-version" type="xstring" value="0.0.0"/>
<config key="factory_settings"/>
<entry key="name" type="xstring" value="Binary Objects to PNGs"/>
<entry key="hasContent" type="xboolean" value="false"/>
<entry key="isInactive" type="xboolean" value="false"/>
<config key="ports">
<config key="port_1">
<entry key="index" type="xint" value="1"/>
<entry key="port_dir_location" type="xstring" isnull="true" value=""/>
</config>
</config>
<config key="filestores">
<entry key="file_store_location" type="xstring" isnull="true" value=""/>
<entry key="file_store_id" type="xstring" isnull="true" value=""/>
</config>
</config>
107 changes: 107 additions & 0 deletions ...rg.knime.base.filehandling.binaryobjectstopngs.BinaryObjectsToPNGsNodeParametersTest.snap
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{
"data" : {
"model" : {
"columnSelection" : "",
"outputMode" : "REPLACE",
"newColumnName" : "PNG"
}
},
"schema" : {
"type" : "object",
"properties" : {
"model" : {
"type" : "object",
"properties" : {
"columnSelection" : {
"type" : "string",
"title" : "Column selection",
"description" : "Column containing the binary objects that will be converted to PNG images.",
"default" : ""
},
"newColumnName" : {
"type" : "string",
"title" : "New column name",
"description" : "Name of the appended column. Only applicable when \"Append\" is selected.",
"default" : "PNG"
},
"outputMode" : {
"oneOf" : [ {
"const" : "REPLACE",
"title" : "Replace"
}, {
"const" : "APPEND",
"title" : "Append"
} ],
"title" : "Output handling",
"description" : "Determines whether to append a new PNG column or to replace the selected binary object column.\n<ul>\n<li><b>Replace</b>: Replaces the selected binary object column with the PNG column.</li>\n<li><b>Append</b>: Appends a new PNG column to the table.</li>\n</ul>",
"default" : "REPLACE"
}
}
}
}
},
"ui_schema" : {
"elements" : [ {
"type" : "Control",
"scope" : "#/properties/model/properties/columnSelection",
"options" : {
"format" : "dropDown"
},
"providedOptions" : [ "possibleValues" ]
}, {
"type" : "Control",
"scope" : "#/properties/model/properties/outputMode",
"options" : {
"format" : "valueSwitch"
}
}, {
"type" : "Control",
"scope" : "#/properties/model/properties/newColumnName",
"rule" : {
"effect" : "SHOW",
"condition" : {
"scope" : "#/properties/model/properties/outputMode",
"schema" : {
"oneOf" : [ {
"const" : "APPEND"
} ]
}
}
}
} ]
},
"persist" : {
"type" : "object",
"properties" : {
"model" : {
"type" : "object",
"properties" : {
"columnSelection" : {
"configKey" : "columnselection"
},
"outputMode" : {
"configPaths" : [ [ "replace" ] ]
},
"newColumnName" : {
"configKey" : "columnname"
}
}
}
}
},
"initialUpdates" : [ {
"scope" : "#/properties/model/properties/columnSelection",
"providedOptionName" : "possibleValues",
"values" : [ {
"indices" : [ ],
"value" : [ {
"id" : "foo",
"text" : "foo",
"type" : {
"id" : "org.knime.core.data.blob.BinaryObjectDataValue",
"text" : "Binary Object"
}
} ]
} ]
} ]
}
6 changes: 6 additions & 0 deletions ...filehandling.binaryobjectstopngs.BinaryObjectsToPNGsNodeParametersTest0.settings.xml.snap
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<?xml version="1.0" encoding="UTF-8"?>
<config xmlns="http://www.knime.org/2008/09/XMLConfig" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.knime.org/2008/09/XMLConfig http://www.knime.org/XMLConfig_2008_09.xsd" key="test">
<entry key="columnselection" type="xstring" value="Image"/>
<entry key="replace" type="xstring" value="Append"/>
<entry key="columnname" type="xstring" value="PNG"/>
</config>
107 changes: 107 additions & 0 deletions ...g.knime.base.filehandling.binaryobjectstopngs.BinaryObjectsToPNGsNodeParametersTest1.snap
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{
"data" : {
"model" : {
"columnSelection" : "Image",
"outputMode" : "APPEND",
"newColumnName" : "PNG"
}
},
"schema" : {
"type" : "object",
"properties" : {
"model" : {
"type" : "object",
"properties" : {
"columnSelection" : {
"type" : "string",
"title" : "Column selection",
"description" : "Column containing the binary objects that will be converted to PNG images.",
"default" : ""
},
"newColumnName" : {
"type" : "string",
"title" : "New column name",
"description" : "Name of the appended column. Only applicable when \"Append\" is selected.",
"default" : "PNG"
},
"outputMode" : {
"oneOf" : [ {
"const" : "REPLACE",
"title" : "Replace"
}, {
"const" : "APPEND",
"title" : "Append"
} ],
"title" : "Output handling",
"description" : "Determines whether to append a new PNG column or to replace the selected binary object column.\n<ul>\n<li><b>Replace</b>: Replaces the selected binary object column with the PNG column.</li>\n<li><b>Append</b>: Appends a new PNG column to the table.</li>\n</ul>",
"default" : "REPLACE"
}
}
}
}
},
"ui_schema" : {
"elements" : [ {
"type" : "Control",
"scope" : "#/properties/model/properties/columnSelection",
"options" : {
"format" : "dropDown"
},
"providedOptions" : [ "possibleValues" ]
}, {
"type" : "Control",
"scope" : "#/properties/model/properties/outputMode",
"options" : {
"format" : "valueSwitch"
}
}, {
"type" : "Control",
"scope" : "#/properties/model/properties/newColumnName",
"rule" : {
"effect" : "SHOW",
"condition" : {
"scope" : "#/properties/model/properties/outputMode",
"schema" : {
"oneOf" : [ {
"const" : "APPEND"
} ]
}
}
}
} ]
},
"persist" : {
"type" : "object",
"properties" : {
"model" : {
"type" : "object",
"properties" : {
"columnSelection" : {
"configKey" : "columnselection"
},
"outputMode" : {
"configPaths" : [ [ "replace" ] ]
},
"newColumnName" : {
"configKey" : "columnname"
}
}
}
}
},
"initialUpdates" : [ {
"scope" : "#/properties/model/properties/columnSelection",
"providedOptionName" : "possibleValues",
"values" : [ {
"indices" : [ ],
"value" : [ {
"id" : "foo",
"text" : "foo",
"type" : {
"id" : "org.knime.core.data.blob.BinaryObjectDataValue",
"text" : "Binary Object"
}
} ]
} ]
} ]
}
92 changes: 48 additions & 44 deletions ...topngs/BinaryObjectsToPNGsNodeDialog.java → ...inaryObjectsToPNGsNodeParametersTest.java
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/*
* ------------------------------------------------------------------------
*
* Copyright by KNIME AG, Zurich, Switzerland
* Website: http://www.knime.com; Email: contact@knime.com
*
Expand Down Expand Up @@ -41,61 +42,64 @@
* may freely choose the license terms applicable to such Node, including
* when such Node is propagated with or for interoperation with KNIME.
* ------------------------------------------------------------------------
*
* History
* Oct 30, 2012 (Patrick Winter): created
*/
package org.knime.base.filehandling.binaryobjectstopngs;

import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import java.io.FileInputStream;
import java.io.IOException;

import org.knime.core.data.blob.BinaryObjectDataValue;
import org.knime.core.node.defaultnodesettings.DefaultNodeSettingsPane;
import org.knime.core.node.defaultnodesettings.DialogComponentButtonGroup;
import org.knime.core.node.defaultnodesettings.DialogComponentColumnNameSelection;
import org.knime.core.node.defaultnodesettings.DialogComponentString;
import org.knime.core.node.defaultnodesettings.SettingsModelString;
import org.knime.core.data.DataTableSpec;
import org.knime.core.data.DataType;
import org.knime.core.data.blob.BinaryObjectDataCell;
import org.knime.core.node.InvalidSettingsException;
import org.knime.core.node.NodeSettings;
import org.knime.core.node.port.PortObjectSpec;
import org.knime.core.webui.node.dialog.SettingsType;
import org.knime.core.webui.node.dialog.defaultdialog.NodeParametersUtil;
import org.knime.testing.node.dialog.DefaultNodeSettingsSnapshotTest;
import org.knime.testing.node.dialog.SnapshotTestConfiguration;

/**
* <code>NodeDialog</code> for the node.
*
*
* @author Patrick Winter, KNIME AG, Zurich, Switzerland
* Snapshot test for {@link BinaryObjectsToPNGsNodeParameters}.
*
* @author Tim Crundall, TNG Technology Consulting GmbH
*/
public class BinaryObjectsToPNGsNodeDialog extends DefaultNodeSettingsPane {
@SuppressWarnings("restriction")
final class BinaryObjectsToPNGsNodeParametersTest extends DefaultNodeSettingsSnapshotTest {

private SettingsModelString m_columnselection;

private SettingsModelString m_columnname;
BinaryObjectsToPNGsNodeParametersTest() {
super(getConfig());
}

private SettingsModelString m_replace;
private static SnapshotTestConfiguration getConfig() {
return SnapshotTestConfiguration.builder() //
.withInputPortObjectSpecs(createInputPortSpecs()) //
.testJsonFormsForModel(BinaryObjectsToPNGsNodeParameters.class) //
.testJsonFormsWithInstance(SettingsType.MODEL, () -> readSettings()) //
.testNodeSettingsStructure(() -> readSettings()) //
.build();
}

/**
* New pane for configuring the node dialog.
*/
@SuppressWarnings("unchecked")
protected BinaryObjectsToPNGsNodeDialog() {
super();
m_columnselection = SettingsFactory.createColumnSelectionSettings();
m_replace = SettingsFactory.createReplacePolicySettings();
m_columnname = SettingsFactory.createColumnNameSettings(m_replace);
m_replace.addChangeListener(new ChangeListener() {
@Override
public void stateChanged(final ChangeEvent e) {
boolean append = m_replace.getStringValue().equals(ReplacePolicy.APPEND.getName());
m_columnname.setEnabled(append);
private static BinaryObjectsToPNGsNodeParameters readSettings() {
try {
var path = getSnapshotPath(BinaryObjectsToPNGsNodeParameters.class).getParent().resolve("node_settings")
.resolve("BinaryObjectsToPNGsNodeParameters.xml");
try (var fis = new FileInputStream(path.toFile())) {
var nodeSettings = NodeSettings.loadFromXML(fis);
return NodeParametersUtil.loadSettings(nodeSettings.getNodeSettings(SettingsType.MODEL.getConfigKey()),
BinaryObjectsToPNGsNodeParameters.class);
}
});
// Column selection
addDialogComponent(new DialogComponentColumnNameSelection(m_columnselection, "Column selection", 0,
BinaryObjectDataValue.class));
createNewGroup("New column...");
// Replace
addDialogComponent(new DialogComponentButtonGroup(m_replace, false, "", ReplacePolicy.getAllSettings()));
// Column name
addDialogComponent(new DialogComponentString(m_columnname, "Name", true, 20));
closeCurrentGroup();
} catch (IOException | InvalidSettingsException e) {
throw new IllegalStateException(e);
}
}

private static PortObjectSpec[] createInputPortSpecs() {
return new PortObjectSpec[]{createDefaultTestTableSpec()};
}

private static DataTableSpec createDefaultTestTableSpec() {
return new DataTableSpec(new String[]{"foo"},
new DataType[]{DataType.getType(BinaryObjectDataCell.class), });
}
}
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