diff --git a/frontend/src/js/dialog/wb-browse-dialog.js b/frontend/src/js/dialog/wb-browse-dialog.js
index fa9954d..e96d6ff 100644
--- a/frontend/src/js/dialog/wb-browse-dialog.js
+++ b/frontend/src/js/dialog/wb-browse-dialog.js
@@ -20,7 +20,7 @@ import { createHashHistory } from 'history';
 //
 // props:
 //   selectMany: Boolean
-//   selectWhat: [ 'file', 'directory' ]
+//   selectWhat: [ 'file', 'directory', 'owner' ]
 //
 // state:
 //   selected: Array of UUID
@@ -43,6 +43,7 @@ class WBBrowseDialog extends Component {
     this.state.collectionPath = '';
     this.state.textSearch = '';
     this.state.id = ('id' in this.props) ? this.props.id : uuid.v4();
+    this.state.accept = () => {};
   }
 
   navigateBack() {
@@ -52,7 +53,7 @@ class WBBrowseDialog extends Component {
     this.navigate(url, false);
   }
 
-  navigate(url, useHistory=true) {
+  navigate(url, useHistory=true, stateUpdate={}) {
     if (typeof(url) === 'object') {
       url = ['', 'browse-dialog',
         'mode' in url ? url.mode : this.state.mode,
@@ -71,11 +72,11 @@ class WBBrowseDialog extends Component {
     let [ _1, _2, mode, uuid, topPage, bottomPage, textSearch, collectionPath ] = url.split('/');
     topPage = parseInt(topPage, 10) || 0;
     bottomPage = parseInt(bottomPage, 10) || 0;
-    collectionPath = decodeURIComponent(collectionPath);
-    this.setState({
+    collectionPath = decodeURIComponent(collectionPath || '');
+    this.setState(Object.assign({
       'currentUrl': url,
       mode, uuid, topPage, bottomPage, textSearch, collectionPath
-    });
+    }, stateUpdate));
   }
 
   select(uuid) {
@@ -111,14 +112,13 @@ class WBBrowseDialog extends Component {
   }
 
   makeSelectionCell(uuid) {
-    const { selectMany, id, accept } = this.props;
-    const { selected } = this.state;
+    const { selected, accept, selectMany, id } = this.state;
 
     return selectMany ? (
       <div>
         <input type="checkbox" checked={ (uuid in selected) }
           onChange={ e => {
-          if (e.target.value === 'on')
+          if (e.target.checked)
             this.select(uuid);
           else
             this.deselect(uuid);
@@ -135,14 +135,19 @@ class WBBrowseDialog extends Component {
     );
   }
 
-  show(callback) {
+  show(selectWhat, selectMany, accept=(() => {})) {
+    const { app } = this.props;
+    const { currentUser } = app.state;
+    this.navigate('/browse-dialog/browse/' + currentUser.uuid, false,
+      { selectWhat, selectMany, accept, history: [] });
     $('#' + this.state.id).modal();
   }
 
-  render({ app, selectMany, selectWhat },
+  render({ app },
     { history, currentUrl, mode, uuid,
       topPage, bottomPage, textSearch,
-      collectionPath, id }) {
+      collectionPath, id, accept, selectedOrder,
+      selectMany, selectWhat }) {
 
     return (
       <div class="modal" id={ id } tabindex="-1" role="dialog">
@@ -231,7 +236,10 @@ class WBBrowseDialog extends Component {
             </div>
 
             <div class="modal-footer">
-              <button type="button" class="btn btn-primary">Accept</button>
+              { selectMany ? (
+                <button type="button" class="btn btn-primary"
+                  onclick={ e => { e.preventDefault(); accept(selectedOrder); } }>Accept</button>
+              ) : null }
               <button type="button" class="btn btn-secondary" data-dismiss="modal">Cancel</button>
             </div>
           </div>
diff --git a/frontend/src/js/page/wb-launch-workflow-page.js b/frontend/src/js/page/wb-launch-workflow-page.js
index a7802ea..29e14f8 100644
--- a/frontend/src/js/page/wb-launch-workflow-page.js
+++ b/frontend/src/js/page/wb-launch-workflow-page.js
@@ -1,66 +1,26 @@
 import { h, Component, createRef } from 'preact';
 import WBNavbarCommon from 'wb-navbar-common';
 import WBArvadosCrumbs from 'wb-arvados-crumbs';
-import WBToolboxDialog from 'wb-toolbox-dialog';
 import WBBrowseDialog from 'wb-browse-dialog';
+import WBTable from 'wb-table';
 import makeArvadosRequest from 'make-arvados-request';
 import linkState from 'linkstate';
 
-function createInputsTemplate(workflow) {
-  const g = JSON.parse(workflow.definition)['$graph'];
-  const main = g.find(it => (it.id === '#main'));
-  let res = '';
-  main.inputs.map(it => {
-    let id = it.id.split('/');
-    id = id[id.length - 1];
-    if (it.label) res += '    // ' + it.label + '\n';
-    if (it.doc) res += '    // ' + it.doc + '\n';
-    res += '    // Type: ' + ((typeof(it.type) === 'string') ?
-      it.type : JSON.stringify(it.type)) + '\n\n';
-    res += '    \'' + id + '\': \'\',\n\n';
-    //res += '    // ' + ' '.repeat(id.length) + '^^^^\n\n';
-  });
-  /* let res = main.inputs.map(it => { it.value = null; return it; });
-  res = JSON.stringify(res, null, 2);
-  res = res.split('\n');
-  res = res.map((ln, i) => (i == 0 ? ln : '  ' + ln));
-  res = res.join('\n'); */
-  return res;
-}
-
-function uuidsToCwlObjects(spec) {
-  if (typeof(spec) === 'string') {
-    if (/^[a-z0-9]{5}-[a-z0-9]{5}-[a-z0-9]{15}/.exec(spec)) {
-      return {
-        'class': 'Directory',
-        'location': 'keep:' + spec
-      };
-    } else if (/^[a-f0-9]{32}\+[0-9]+/.exec(spec)) {
-      return {
-        'class': 'Directory',
-        'location': 'keep:' + spec
-      };
-    } else {
-      return spec;
-    }
-  } else if (typeof(spec) === 'object') {
-    const res = (spec instanceof Array) ? [] : {};
-    Object.keys(spec).map(k => (res[k] = uuidsToCwlObjects(spec[k])));
-    return res;
-
-  } else {
-    return spec;
+function parseDefinition(text) {
+  let definition;
+  try {
+    definition = JSON.parse(text);
+  } catch (_) {
+    definition = jsyaml.load(text);
   }
+  return definition;
 }
 
 class WBLaunchWorkflowPage extends Component {
   constructor(...args) {
     super(...args);
-    this.state.browseDialogId = uuid.v4();
-    this.state.insertDialogId = uuid.v4();
-    this.state.insertManyDialogId = uuid.v4();
-    this.state.realBrowseDialogId = uuid.v4();
-    this.inputsTextArea = createRef();
+    this.browseDialogRef = createRef();
+    this.state.inputs = {};
   }
 
   componentDidMount() {
@@ -71,47 +31,64 @@ class WBLaunchWorkflowPage extends Component {
       '/arvados/v1/workflows/' + workflowUuid);
     prom = prom.then(xhr => this.setState({
       'workflow': xhr.response,
+      'workflowDefinition': parseDefinition(xhr.response.definition),
       'defaultProcessName': xhr.response.name + ' ' + (new Date().toISOString()),
-      'defaultProcessDescription': xhr.response.description,
-      'inputsFunctionText': '(() => {\n  return {\n' +
-        createInputsTemplate(xhr.response) +
-        '  };\n})()'
+      'defaultProcessDescription': xhr.response.description
     }));
   }
 
+  renderInput(inputSpec) {
+    const isFile = (inputSpec.type === 'File' || inputSpec.type === 'File[]' ||
+      (inputSpec.type.type === 'array' && inputSpec.type.items === 'File'));
+
+    const isDirectory = (inputSpec.type === 'Directory' || inputSpec.type === 'Directory[]' ||
+      (inputSpec.type.type === 'array' && inputSpec.type.items === 'Directory'));
+
+    const isArray = (inputSpec.type === 'File[]' || inputSpec.type === 'Directory[]' ||
+      inputSpec.type.type === 'array');
+
+    if (!isFile && !isDirectory)
+      return (
+        <input class="form-control w-100" type="text" placeholder={ inputSpec.doc }
+          value={ this.state.inputs[inputSpec.id] }
+          onchange={ e => (this.state.inputs[inputSpec.id] = e.target.value) }></input>
+      );
+
+    const button = (
+      <button class="btn btn-outline-primary"
+        onclick={ e => {
+          e.preventDefault();
+          this.browseDialogRef.current.show(isFile ? 'file' : 'directory', isArray,
+            v => {
+              this.state.inputs[inputSpec.id] = v.toString();
+              this.setState({});
+            });
+        } }>
+        Browse...
+      </button>
+    );
+
+    return (
+      <div class="input-group">
+        <input class="form-control w-100" type="text" placeholder={ inputSpec.doc }
+          value={ this.state.inputs[inputSpec.id] }
+          onchange={ e => (this.state.inputs[inputSpec.id] = e.target.value) }></input>
+        <div class="input-group-append">
+          { button }
+        </div>
+      </div>
+    );
+  }
+
   render({ app, workflowUuid },
-    { workflow, projectUuid, processName, processDescription,
-    defaultProcessName, defaultProcessDescription,
-    inputsFunctionText, browseDialogId,
-    insertDialogId, insertManyDialogId,
-    realBrowseDialogId, inputsPreview }) {
+    { workflow, workflowDefinition, projectUuid, processName, processDescription,
+    defaultProcessName, defaultProcessDescription }) {
 
     return (
       <div>
         <WBNavbarCommon app={ app } />
 
-        <WBToolboxDialog app={ app } id={ browseDialogId }
-          items={ app.state.toolboxItems } onAccepted={ value =>
-            this.setState({ 'projectUuid': value }) } />
-
-        <WBToolboxDialog app={ app } id={ insertDialogId }
-          items={ app.state.toolboxItems }
-          onAccepted={ value => {
-            const t = this.inputsTextArea.current;
-            const start = t.selectionStart;
-            const end = t.selectionEnd;
-            this.setState({
-              'inputsFunctionText': t.value.substr(0, start) + value +
-                t.value.substr(end)
-            });
-          } } />
-
-        <WBToolboxDialog app={ app } id={ insertManyDialogId }
-          items={ app.state.toolboxItems } selectMany={ true }
-          onAccepted={ values => alert(values) } />
-
-        <WBBrowseDialog app={ app } id={ realBrowseDialogId }
-          selectWhat="directory" />
+        <WBBrowseDialog app={ app } ref={ this.browseDialogRef } />
 
         { workflow ?
           (<form class="container-fluid">
@@ -138,17 +115,13 @@ class WBLaunchWorkflowPage extends Component {
                   <div class="input-group-append">
                     <button class="btn btn-primary" type="button"
                       id="button-addon2" onclick={ e => { e.preventDefault();
-                        $('#' + browseDialogId).modal(); } }>Browse</button>
+                        this.browseDialogRef.current.show('owner', false,
+                          projectUuid => this.setState({ projectUuid })); } }>Browse</button>
                   </div>
                 </div>
               </div>
             </div>
 
-            <div class="form-check">
-              <input type="checkbox" class="form-check-input" id="createSubproject" />
-              <label class="form-check-label" for="createSubproject">Create subproject</label>
-            </div>
-
             <div class="form-group">
               <label for="processName">Process Name</label>
               <input type="text" class="form-control" id="processName"
@@ -165,47 +138,11 @@ class WBLaunchWorkflowPage extends Component {
 
             <div class="form-group">
               <label for="inputs">Inputs</label>
-              <div>
-                <div class="mb-2">
-                  <button class="btn btn-primary mr-2" onclick={ e => {
-                    e.preventDefault();
-                    $('#' + insertDialogId).modal();
-                  } }>Insert</button>
-
-                  <button class="btn btn-primary mr-2" onclick={ e => {
-                    e.preventDefault();
-                    $('#' + insertManyDialogId).modal();
-                  } }>Insert Many</button>
-
-                  <button class="btn btn-primary mr-2" onclick={ e => {
-                    e.preventDefault();
-                    $('#' + realBrowseDialogId).modal();
-                  } }>Insert Browse</button>
-                </div>
-
-                <textarea class="form-control" ref={ this.inputsTextArea } id="inputs"
-                  style="font-family: monospace;" rows="20"
-                  value={ inputsFunctionText }
-                  onChange={ linkState(this, 'inputsFunctionText') }></textarea>
-
-                <div class="my-2">
-                  <button class="btn btn-primary" onclick={ e => {
-                    e.preventDefault();
-                    try {
-                      let inputsVal = eval(inputsFunctionText);
-                      inputsVal = uuidsToCwlObjects(inputsVal);
-                      this.setState({ 'inputsPreview': JSON.stringify(inputsVal, null, 2) });
-                    } catch (exc) {
-                      this.setState({ 'inputsPreview': exc });
-                    }
-                  } }>Preview</button>
-                </div>
-
-                <textarea class="form-control" readonly="readonly"
-                  style="font-family: monospace;" rows="10"
-                  value={ inputsPreview }></textarea>
-              </div>
-
+              <WBTable columns={ [ 'Name', 'Value'] }
+                rows={ workflowDefinition.$graph.find(a => (a.id === '#main')).inputs.map(it => [
+                  it.label || it.id,
+                  this.renderInput(it)
+                ]) } />
             </div>
           </form>) : <div>Loading...</div> }
       </div>