Added support for specifying number of initial rows to skip when creating a new project.

Fixed the height of the histogram images in range facets to eliminate jitters.

git-svn-id: http://google-refine.googlecode.com/svn/trunk@135 7d457c2a-affb-35e4-300a-418c747d4874

src/main/java/com/metaweb/gridworks/commands/edit/CreateProjectCommand.java

@@ -90,6 +90,8 @@ public class CreateProjectCommand extends Command {
 			String url = null;
 			
 			int limit = -1;
+			int skip = 0;
+			
 			if (options.containsKey("limit")) {
 				String s = options.getProperty("limit");
 				try {
@@ -97,6 +99,13 @@ public class CreateProjectCommand extends Command {
 				} catch (Exception e) {
 				}
 			}
+            if (options.containsKey("skip")) {
+                String s = options.getProperty("skip");
+                try {
+                    skip = Integer.parseInt(s);
+                } catch (Exception e) {
+                }
+            }
 			
 			while ((part = parser.readNextPart()) != null) {
 	            
@@ -108,14 +117,14 @@ public class CreateProjectCommand extends Command {
 					if (importer.takesReader()) {
 						Reader reader = new InputStreamReader(filePart.getInputStream());
 						try {
-							importer.read(reader, project, options, limit);
+							importer.read(reader, project, options, skip, limit);
 						} finally {
 							reader.close();
 						}
 					} else {
 						InputStream inputStream = filePart.getInputStream();
 						try {
-							importer.read(inputStream, project, options, limit);
+							importer.read(inputStream, project, options, skip, limit);
 						} finally {
 							inputStream.close();
 						}
@@ -126,7 +135,7 @@ public class CreateProjectCommand extends Command {
 					if (paramName.equals("raw-text")) {
 						StringReader reader = new StringReader(paramPart.getStringValue());
 						try {
-							new TsvCsvImporter().read(reader, project, options, limit);
+							new TsvCsvImporter().read(reader, project, options, skip, limit);
 						} finally {
 							reader.close();
 						}
@@ -139,7 +148,7 @@ public class CreateProjectCommand extends Command {
 			}
 			
 			if (url != null && url.length() > 0) {
-				internalImportURL(request, project, options, url, limit);
+				internalImportURL(request, project, options, url, skip, limit);
 			}
 		}
 	}
@@ -149,6 +158,7 @@ public class CreateProjectCommand extends Command {
 		Project				project,
 		Properties			options,
 		String				urlString,
+		int                 skip,
 		int					limit
 	) throws Exception {
 		URL url = new URL(urlString);
@@ -182,9 +192,9 @@ public class CreateProjectCommand extends Command {
 				Reader reader = new InputStreamReader(
 					inputStream, (encoding == null) ? "ISO-8859-1" : encoding);
 							
-				importer.read(reader, project, options, limit);
+				importer.read(reader, project, options, skip, limit);
 			} else {
-				importer.read(inputStream, project, options, limit);
+				importer.read(inputStream, project, options, skip, limit);
 			}
         } finally {
 			inputStream.close();

src/main/java/com/metaweb/gridworks/importers/ExcelImporter.java

@@ -29,14 +29,14 @@ public class ExcelImporter implements Importer {
 		return false;
 	}
 	
-	public void read(Reader reader, Project project, Properties options, int limit)
+	public void read(Reader reader, Project project, Properties options, int skip, int limit)
 			throws Exception {
 		
 		throw new NotImplementedException();
 	}
 
 	public void read(InputStream inputStream, Project project,
-			Properties options, int limit) throws Exception {
+			Properties options, int skip, int limit) throws Exception {
 		
         Workbook wb = _xmlBased ? 
         		new XSSFWorkbook(inputStream) : 
@@ -99,6 +99,7 @@ public class ExcelImporter implements Importer {
         /*
          *  Now process the data rows
          */
+        int rowsWithData = 0;
         for (; r <= lastRow; r++) {
             org.apache.poi.ss.usermodel.Row row = sheet.getRow(r);
             if (row == null) {
@@ -149,10 +150,14 @@ public class ExcelImporter implements Importer {
                 }
                 
                 if (hasData) {
-                	project.rows.add(newRow);
+                    rowsWithData++;
-                	if (limit > 0 && project.rows.size() >= limit) {
+                    
-                		break;
+                    if (skip <= 0 || rowsWithData > skip) {
-                	}
+                    	project.rows.add(newRow);
+                    	if (limit > 0 && project.rows.size() >= limit) {
+                    		break;
+                    	}
+                    }
                 }
             }
         }

src/main/java/com/metaweb/gridworks/importers/Importer.java

@@ -9,6 +9,6 @@ import com.metaweb.gridworks.model.Project;
 public interface Importer {
 	public boolean takesReader();
 	
-	public void read(Reader reader, Project project, Properties options, int limit) throws Exception;
+	public void read(Reader reader, Project project, Properties options, int skip, int limit) throws Exception;
-	public void read(InputStream inputStream, Project project, Properties options, int limit) throws Exception;
+	public void read(InputStream inputStream, Project project, Properties options, int skip, int limit) throws Exception;
 }

src/main/java/com/metaweb/gridworks/importers/TsvCsvImporter.java

@@ -13,7 +13,7 @@ import com.metaweb.gridworks.model.Row;
 
 public class TsvCsvImporter implements Importer {
 
-	public void read(Reader reader, Project project, Properties options, int limit)
+	public void read(Reader reader, Project project, Properties options, int skip, int limit)
 			throws Exception {
 		
 		LineNumberReader lnReader = new LineNumberReader(reader);
@@ -23,6 +23,7 @@ public class TsvCsvImporter implements Importer {
 			boolean 	first = true;
 			int 		cellCount = 1;
 			
+			int rowsWithData = 0;
 			while ((line = lnReader.readLine()) != null) {
 				if (line.trim().length() == 0) {
 					continue;
@@ -57,12 +58,16 @@ public class TsvCsvImporter implements Importer {
 					Row row = new Row(cellCount);
 					
 					if ((sep.charAt(0) == ',') ? ImporterUtilities.parseCSVIntoRow(row, line) : ImporterUtilities.parseTSVIntoRow(row, line)) {
-						project.rows.add(row);
+	                    rowsWithData++;
-						project.columnModel.setMaxCellIndex(Math.max(project.columnModel.getMaxCellIndex(), row.cells.size()));
+	                    
-						
+	                    if (skip <= 0 || rowsWithData > skip) {
-	                	if (limit > 0 && project.rows.size() >= limit) {
+    						project.rows.add(row);
-	                		break;
+    						project.columnModel.setMaxCellIndex(Math.max(project.columnModel.getMaxCellIndex(), row.cells.size()));
-	                	}
+    						
+    	                	if (limit > 0 && project.rows.size() >= limit) {
+    	                		break;
+    	                	}
+	                    }
 					}
 				}
 			}
@@ -72,7 +77,7 @@ public class TsvCsvImporter implements Importer {
 	}
 
 	public void read(InputStream inputStream, Project project,
-			Properties options, int limit) throws Exception {
+			Properties options, int skip, int limit) throws Exception {
 		
 		throw new NotImplementedException();
 	}

src/main/webapp/index.html

@@ -1,3 +1 @@
-<html>
<head>
    <title>Gridworks</title>
    <link rel="stylesheet" href="/styles/common.css" />
    <link rel="stylesheet" href="/styles/index.css" />
    
    <script type="text/javascript" src="externals/jquery-1.4.1.min.js"></script>
    <script type="text/javascript" src="externals/date.js"></script>
+<html>
<head>
    <title>Gridworks</title>
    <link rel="stylesheet" href="/styles/common.css" />
    <link rel="stylesheet" href="/styles/index.css" />
    
    <script type="text/javascript" src="externals/jquery-1.4.1.min.js"></script>
    <script type="text/javascript" src="externals/date.js"></script>
    
    <script type="text/javascript" src="scripts/util/string.js"></script>
    <script type="text/javascript" src="scripts/index.js"></script>
</head>
<body>
    <div id="header">
        <h1>Gridworks</h1>
    </div>
    
    <div id="body">
        <div id="projects"></div>
    
        <h2>New Project</h2>
        <p>Create a new project by uploading a tab-separated value or comma-separated value file.</p>
        
        <form id="file-upload-form" method="post" enctype="multipart/form-data" action="/command/create-project-from-upload">
            <table cellspacing="5">
                <tr><td>Project Name:</td><td><input type="text" size="30" id="project-name-input" name="project-name" /></td></tr>
                <tr style="display: none;"><td>Project Password:</td><td><input type="password" size="30" id="project-password-input" name="project-password" /><br/>optional, not protected, so use some password you don't care to reveal</td></tr>
                <tr><td>Upload File:</td><td>
                    <input type="file" id="project-file-input" name="project-file" size="50" />
                </td></tr>
                <tr><td>Skip:</td><td>
                    <input id="skip-input" name="skip" size="5" /> initial data rows
                </td></tr>
                <tr><td>Load up to:</td><td>
                    <input id="limit-input" name="limit" size="5" /> data rows
                </td></tr>
                <tr><td></td><td id="submit-container">
                    <input type="submit" value="Create Project" id="upload-file-button" />
                </td></tr>
            </table>
        </form>
    </div>
</body>
</html>
-    
-    <script type="text/javascript" src="scripts/util/string.js"></script>
    <script type="text/javascript" src="scripts/index.js"></script>
</head>
<body>
    <div id="header">
        <h1>Gridworks</h1>
    </div>
    
    <div id="body">
        <div id="projects"></div>
    
        <h2>New Project</h2>
        <p>Create a new project by uploading a tab-separated value or comma-separated value file.</p>
        
        <form id="file-upload-form" method="post" enctype="multipart/form-data" action="/command/create-project-from-upload">
            <table cellspacing="5">
                <tr><td>Project Name:</td><td><input type="text" size="30" id="project-name-input" name="project-name" /></td></tr>
                <tr style="display: none;"><td>Project Password:</td><td><input type="password" size="30" id="project-password-input" name="project-password" /><br/>optional, not protected, so use some password you don't care to reveal</td></tr>
                <tr><td>Upload File:</td><td>
                    <input type="file" id="project-file-input" name="project-file" size="50" />
                </td></tr>
                <tr><td>Load up to:</td><td>
                    <input id="limit-input" name="limit" size="5" /> rows
                </td></tr>
                <tr><td></td><td id="submit-container">
                    <input type="submit" value="Create Project" id="upload-file-button" />
                </td></tr>
            </table>
        </form>
    </div>
</body>
</html>

src/main/webapp/scripts/index.js

@@ -19,19 +19,15 @@ function onClickUploadFileButton(evt) {
         evt.preventDefault();
         return false;
     } else {
-        $("#file-upload-form").attr("action", "/command/create-project-from-upload?limit=" + $("#limit-input")[0].value);
+        $("#file-upload-form").attr("action", 
+            "/command/create-project-from-upload?" + [
+                "skip=" + $("#skip-input")[0].value,
+                "limit=" + $("#limit-input")[0].value
+            ].join("&"));
     }
 }
 
 function renderProjects(data) {
-    var container = $("#projects").empty();
-    
-    $('<h2></h2>').text("Projects").appendTo(container);
-    
-    var table = $('<table><tr><td></td><td>last modified</td></tr></table>')
-        .attr("cellspacing", "5")
-        .appendTo(container)[0];
-    
     var projects = [];
     for (var n in data.projects) {
         if (data.projects.hasOwnProperty(n)) {
@@ -41,16 +37,27 @@ function renderProjects(data) {
             projects.push(project);
         }
     }
-    projects.sort(function(a, b) { return b.date.getTime() - a.date.getTime(); });
     
-    for (var i = 0; i < projects.length; i++) {
+    if (projects.length > 0) {
-        var project = projects[i];
+        projects.sort(function(a, b) { return b.date.getTime() - a.date.getTime(); });
-        var tr = table.insertRow(table.rows.length);
-        var td0 = tr.insertCell(0);
-        var td1 = tr.insertCell(1);
         
-        $('<a></a>').text(project.name).attr("href", "/project.html?project=" + project.id).appendTo(td0);
+        var container = $("#projects").empty().show();
-        $('<span></span>').text(formatDate(project.date)).appendTo(td1);
+
+        $('<h2></h2>').text("Projects").appendTo(container);
+
+        var table = $('<table><tr><td></td><td>last modified</td></tr></table>')
+            .attr("cellspacing", "5")
+            .appendTo(container)[0];
+
+        for (var i = 0; i < projects.length; i++) {
+            var project = projects[i];
+            var tr = table.insertRow(table.rows.length);
+            var td0 = tr.insertCell(0);
+            var td1 = tr.insertCell(1);
+        
+            $('<a></a>').text(project.name).attr("href", "/project.html?project=" + project.id).appendTo(td0);
+            $('<span></span>').text(formatDate(project.date)).appendTo(td1);
+        }
     }
 }
 

src/main/webapp/styles/browsing.css

@@ -76,6 +76,7 @@ a.facet-choice-link:hover {
     overflow: hidden;
 }
 .facet-range-histogram img {
+    height: 50px;
     position: relative;
     left: -2px;
 }

src/main/webapp/styles/index.css

@@ -4,6 +4,7 @@
     border: 1px solid #ccc;
     background: #fffee0;
     padding: 20px;
+    display: none;
 }
 
 #file-upload-form > table > tbody > tr > td {