func (c *Conn) Render(file interface{}, forms ...*forms.Form) {
// TODO: c.Tmpl["h"] = &helpers.Helpers{}
res := ""
switch file.(type) {
case string:
uri, _ := file.(string)
// add flash to the template context if it exists
c.addTemplateFlash()
res = mustache.RenderFile(uri, c.Tmpl)
case view:
v, _ := file.(view)
// add flash to the viewhelper view to be rendered
view := c.addViewFlash(v)
res = mustache.RenderFile(view.Uri(), view)
}
// if there are forms supplied, the user failed
// at providing valid input, so we must fill in the
// appropriate form values along with the error messages
for _, form := range forms {
defaultVals := make(map[string]string)
for name, field := range form.Fields {
defaultVals[name] = field.Value()
}
res = htmlfiller.Fill(res, defaultVals, form.Errors)
}
c.WriteString(res)
}
func (s *S) TestFill(c *C) {
defaultVals := make(map[string]string)
defaultVals["elem1"] = "val"
defaultVals["elem2"] = "opt2"
defaultVals["elem3"] = "val"
errors := make(map[string]string)
errors["elem1"] = "Invalid value"
errors["elem2"] = "Invalid option"
errors["elem3"] = "Invalid value"
html := `<form action="">
<span class="error_message" id="elem1_error"></span>
<input type="text" name="elem1"/>
<span class="error_message" id="elem2_error"></span>
<select name="elem2">
<option value="opt1">Option 1</option>
<option value="opt2">Option 2</option>
</select>
<span class="error_message" id="elem3_error"></span>
<textarea name="elem3"></textarea>
</form>`
obsHtml, _ := htmlfiller.Fill(html, defaultVals, errors)
expHtml := `<form action="">
<span class="error_message" id="elem1_error">Invalid value</span>
<input type="text" name="elem1" value="val"/>
<span class="error_message" id="elem2_error">Invalid option</span>
<select name="elem2">
<option value="opt1">Option 1</option>
<option value="opt2" selected="selected">Option 2</option>
</select>
<span class="error_message" id="elem3_error">Invalid value</span>
<textarea name="elem3">val</textarea>
</form>`
c.Check(obsHtml, Equals, expHtml)
html = `<form action="">
<span class="error_message" id="elem1_error"></span>
<input type="text" name="elem1" value="old"/>
<span class="error_message" id="elem2_error"></span>
<select name="elem2">
<option value="opt1" selected="selected">Option 1</option>
<option value="opt2">Option 2</option>
</select>
<span class="error_message" id="elem3_error"></span>
<textarea name="elem3">old</textarea>
</form>`
obsHtml, _ = htmlfiller.Fill(html, defaultVals, errors)
expHtml = `<form action="">
<span class="error_message" id="elem1_error">Invalid value</span>
<input type="text" name="elem1" value="val"/>
<span class="error_message" id="elem2_error">Invalid option</span>
<select name="elem2">
<option value="opt1">Option 1</option>
<option value="opt2" selected="selected">Option 2</option>
</select>
<span class="error_message" id="elem3_error">Invalid value</span>
<textarea name="elem3">val</textarea>
</form>`
c.Check(obsHtml, Equals, expHtml)
}