From 520a470b22ea53bd8b418aaac498a8672e2c0779 Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Sat, 07 Mar 2015 12:21:59 -0500
Subject: [PATCH] Add a checkbox to control whitespace diff preference on the compare page

---
 src/main/java/com/gitblit/wicket/pages/ComparePage.html |    2 ++
 src/main/java/com/gitblit/wicket/pages/ComparePage.java |   20 ++++++++++++++++++++
 2 files changed, 22 insertions(+), 0 deletions(-)

diff --git a/src/main/java/com/gitblit/wicket/pages/ComparePage.html b/src/main/java/com/gitblit/wicket/pages/ComparePage.html
index d7df717..74c9831 100644
--- a/src/main/java/com/gitblit/wicket/pages/ComparePage.html
+++ b/src/main/java/com/gitblit/wicket/pages/ComparePage.html
@@ -18,6 +18,7 @@
 					<select wicket:id="fromRef" class="span3" />
 					<i class="icon-arrow-right"></i>
 					<select wicket:id="toRef" class="span3" />
+                      <label style="padding:0px 5px;" class="checkbox"><input type="checkbox" wicket:id="ignoreWhitespaceCheckbox" /> <span wicket:id="ignoreWhitespaceLabel"></span></label>
 					<button class="btn" type="submit"><wicket:message key="gb.compare"></wicket:message></button>
 				</form>
 			</div>
@@ -26,6 +27,7 @@
 					<input wicket:id="fromId" type="text" class="span3" />
 					<i class="icon-arrow-right"></i>
 					<input wicket:id="toId" type="text" class="span3" />
+                    <label style="padding:0px 5px;" class="checkbox"><input type="checkbox" wicket:id="ignoreWhitespaceCheckbox" /> <span wicket:id="ignoreWhitespaceLabel"></span></label>
 					<button class="btn" type="submit"><wicket:message key="gb.compare"></wicket:message></button>
 				</form>
 			</div>
diff --git a/src/main/java/com/gitblit/wicket/pages/ComparePage.java b/src/main/java/com/gitblit/wicket/pages/ComparePage.java
index 76bf1c5..d171044 100644
--- a/src/main/java/com/gitblit/wicket/pages/ComparePage.java
+++ b/src/main/java/com/gitblit/wicket/pages/ComparePage.java
@@ -21,6 +21,7 @@
 
 import org.apache.wicket.PageParameters;
 import org.apache.wicket.markup.html.basic.Label;
+import org.apache.wicket.markup.html.form.CheckBox;
 import org.apache.wicket.markup.html.form.DropDownChoice;
 import org.apache.wicket.markup.html.form.TextField;
 import org.apache.wicket.markup.html.link.BookmarkablePageLink;
@@ -69,6 +70,8 @@
 
 	IModel<String> fromRefId = new Model<String>("");
 	IModel<String> toRefId = new Model<String>("");
+
+	IModel<Boolean> ignoreWhitespace = Model.of(true);
 
 	public ComparePage(PageParameters params) {
 		super(params);
@@ -214,6 +217,10 @@
 			comparison.add(new Label("diffText", diff.content).setEscapeModelStrings(false));
 		}
 
+		// set the default DiffComparator
+		DiffComparator diffComparator = WicketUtils.getDiffComparator(params);
+		ignoreWhitespace.setObject(DiffComparator.IGNORE_WHITESPACE == diffComparator);
+
 		//
 		// ref selection form
 		//
@@ -225,8 +232,13 @@
 			public void onSubmit() {
 				String from = ComparePage.this.fromRefId.getObject();
 				String to = ComparePage.this.toRefId.getObject();
+				boolean ignoreWS = ignoreWhitespace.getObject();
 
 				PageParameters params = WicketUtils.newRangeParameter(repositoryName, from, to);
+				if (ignoreWS) {
+					params.put("w", 1);
+				}
+
 				String relativeUrl = urlFor(ComparePage.class, params).toString();
 				String absoluteUrl = RequestUtils.toAbsolutePath(relativeUrl);
 				getRequestCycle().setRequestTarget(new RedirectRequestTarget(absoluteUrl));
@@ -247,6 +259,8 @@
 		}
 		refsForm.add(new DropDownChoice<String>("fromRef", fromRefId, refs).setEnabled(refs.size() > 0));
 		refsForm.add(new DropDownChoice<String>("toRef", toRefId, refs).setEnabled(refs.size() > 0));
+		refsForm.add(new Label("ignoreWhitespaceLabel", getString(DiffComparator.IGNORE_WHITESPACE.getTranslationKey())));
+		refsForm.add(new CheckBox("ignoreWhitespaceCheckbox", ignoreWhitespace));
 		add(refsForm);
 
 		//
@@ -260,8 +274,12 @@
 			public void onSubmit() {
 				String from = ComparePage.this.fromCommitId.getObject();
 				String to = ComparePage.this.toCommitId.getObject();
+				boolean ignoreWS = ignoreWhitespace.getObject();
 
 				PageParameters params = WicketUtils.newRangeParameter(repositoryName, from, to);
+				if (ignoreWS) {
+					params.put("w", 1);
+				}
 				String relativeUrl = urlFor(ComparePage.class, params).toString();
 				String absoluteUrl = RequestUtils.toAbsolutePath(relativeUrl);
 				getRequestCycle().setRequestTarget(new RedirectRequestTarget(absoluteUrl));
@@ -275,6 +293,8 @@
 		TextField<String> toIdField = new TextField<String>("toId", toCommitId);
 		WicketUtils.setInputPlaceholder(toIdField, getString("gb.to") + "...");
 		idsForm.add(toIdField);
+		idsForm.add(new Label("ignoreWhitespaceLabel", getString(DiffComparator.IGNORE_WHITESPACE.getTranslationKey())));
+		idsForm.add(new CheckBox("ignoreWhitespaceCheckbox", ignoreWhitespace));
 		add(idsForm);
 
 		r.close();

--
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