#include <gtk/gtk.h>

#include "xml/repr.h"

#include "macros.h"

#include "document.h"

#include "sp-object.h"

#include <glibmm/i18n.h>

#include <sigc++/functors/ptr_fun.h>

#include <sigc++/adaptors/bind.h>

#include "sp-attribute-widget.h"

using Inkscape::DocumentUndo;

static void sp_attribute_widget_object_modified ( SPObject *object,

guint flags,

SPAttributeWidget *spaw );

SPAttributeWidget::SPAttributeWidget () :

blocked(0),

hasobj(0),

_attribute(),

modified_connection()

{

src.object = NULL;

}

SPAttributeWidget::~SPAttributeWidget ()

{

if (hasobj)

{

if (src.object)

{

modified_connection.disconnect();

src.object = NULL;

}

}

else

{

if (src.repr)

{

src.repr = Inkscape::GC::release(src.repr);

}

}

}

void SPAttributeWidget::set_object(SPObject *object, const gchar *attribute)

{

if (hasobj) {

if (src.object) {

modified_connection.disconnect();

src.object = NULL;

}

} else {

if (src.repr) {

src.repr = Inkscape::GC::release(src.repr);

}

}

hasobj = true;

if (object) {

const gchar *val;

blocked = true;

src.object = object;

modified_connection = object->connectModified(sigc::bind<2>(sigc::ptr_fun(&sp_attribute_widget_object_modified), this));

_attribute = attribute;

val = object->getRepr()->attribute(attribute);

set_text (val ? val : (const gchar *) "");

blocked = false;

}

gtk_widget_set_sensitive (GTK_WIDGET(this), (src.object != NULL));

}

void SPAttributeWidget::set_repr(Inkscape::XML::Node *repr, const gchar *attribute)

{

if (hasobj) {

if (src.object) {

modified_connection.disconnect();

src.object = NULL;

}

} else {

if (src.repr) {

src.repr = Inkscape::GC::release(src.repr);

}

}

hasobj = false;

if (repr) {

const gchar *val;

blocked = true;

src.repr = Inkscape::GC::anchor(repr);

attribute = g_strdup (attribute);

val = repr->attribute(attribute);

set_text (val ? val : (const gchar *) "");

blocked = false;

}

gtk_widget_set_sensitive (GTK_WIDGET (this), (src.repr != NULL));

}

void SPAttributeWidget::on_changed (void)

{

if (!blocked)

{

Glib::ustring text1;

const gchar *text;

blocked = true;

text1 = get_text ();

text = text1.c_str();

if (!*text)

text = NULL;

if (hasobj && src.object) {

src.object->getRepr()->setAttribute(_attribute.c_str(), text, false);

DocumentUndo::done(src.object->document, SP_VERB_NONE,

_("Set attribute"));

} else if (src.repr) {

src.repr->setAttribute(_attribute.c_str(), text, false);

/* TODO: Warning! Undo will not be flushed in given case */

}

blocked = false;

}

}

static void sp_attribute_widget_object_modified ( SPObject */*object*/,

guint flags,

SPAttributeWidget *spaw )

{

if (flags && SP_OBJECT_MODIFIED_FLAG) {

const gchar *val;

Glib::ustring text;

Glib::ustring attr = spaw->get_attribute();

val = spaw->src.object->getRepr()->attribute(attr.c_str());

text = spaw->get_text();

if (val || !text.empty()) {

if (!val || text.empty() || (text == val)) {

/* We are different */

spaw->set_blocked(true);

spaw->set_text(val ? val : (const gchar *) "");

spaw->set_blocked(false);

} // end of if()

} // end of if()

} //end of if()

} // end of sp_attribute_widget_object_modified()

static void sp_attribute_table_object_modified (SPObject *object, guint flags, SPAttributeTable *spaw);

static void sp_attribute_table_entry_changed (Gtk::Editable *editable, SPAttributeTable *spat);

#define XPAD 4

#define YPAD 0

SPAttributeTable::SPAttributeTable () :

blocked(0),

hasobj(0),

table(0),

_attributes(),

_entries(),

modified_connection()

{

src.object = NULL;

}

SPAttributeTable::SPAttributeTable (SPObject *object, std::vector<Glib::ustring> &labels, std::vector<Glib::ustring> &attributes, GtkWidget* parent) :

blocked(0),

hasobj(0),

table(0),

_attributes(),

_entries(),

modified_connection()

{

src.object = NULL;

set_object(object, labels, attributes, parent);

}

SPAttributeTable::~SPAttributeTable ()

{

clear();

}

void SPAttributeTable::clear(void)

{

Gtk::Widget *w;

if (table)

{

std::vector<Widget*> ch = table->get_children();

for (int i = (ch.size())-1; i >=0 ; i--)

{

w = ch[i];

ch.pop_back();

if (w != NULL)

{

try

{

delete w;

}

catch(...)

{

}

}

}

ch.clear();

_attributes.clear();

_entries.clear();

delete table;

table = NULL;

}

if (hasobj) {

if (src.object) {

modified_connection.disconnect();

src.object = NULL;

}

} else {

if (src.repr) {

src.repr = Inkscape::GC::release(src.repr);

}

}

}

void SPAttributeTable::set_object(SPObject *object,

std::vector<Glib::ustring> &labels,

std::vector<Glib::ustring> &attributes,

GtkWidget* parent)

{

g_return_if_fail (parent);

g_return_if_fail (!object || SP_IS_OBJECT (object));

g_return_if_fail (!object || !labels.empty() || !attributes.empty());

g_return_if_fail (labels.size() == attributes.size());

clear();

hasobj = true;

if (object) {

blocked = true;

// Set up object

src.object = object;

modified_connection = object->connectModified(sigc::bind<2>(sigc::ptr_fun(&sp_attribute_table_object_modified), this));

// Create table

table = Gtk::manage(new Gtk::Table (attributes.size(), 2, false));

gtk_container_add (GTK_CONTAINER (parent),(GtkWidget*)table->gobj());

// Fill rows

_attributes = attributes;

for (guint i = 0; i < (attributes.size()); i++) {

Gtk::Label *ll;

Gtk::Entry *ee;

Gtk::Widget *w;

const gchar *val;

ll = new Gtk::Label (_(labels[i].c_str()));

w = (Gtk::Widget *) ll;

ll->show();

ll->set_alignment (1.0, 0.5);

table->attach (*w, 0, 1, i, i + 1,

Gtk::FILL,

(Gtk::EXPAND | Gtk::FILL),

XPAD, YPAD );

ee = new Gtk::Entry();

w = (Gtk::Widget *) ee;

ee->show();

val = object->getRepr()->attribute(attributes[i].c_str());

ee->set_text (val ? val : (const gchar *) "");

table->attach (*w, 1, 2, i, i + 1,

(Gtk::EXPAND | Gtk::FILL),

(Gtk::EXPAND | Gtk::FILL),

XPAD, YPAD );

_entries.push_back(w);

g_signal_connect ( w->gobj(), "changed",

G_CALLBACK (sp_attribute_table_entry_changed),

this );

}

/* Show table */

table->show ();

blocked = false;

}

}

void SPAttributeTable::set_repr (Inkscape::XML::Node *repr,

std::vector<Glib::ustring> &labels,

std::vector<Glib::ustring> &attributes,

GtkWidget* parent)

{

g_return_if_fail (!labels.empty() || !attributes.empty());

g_return_if_fail (labels.size() == attributes.size());

clear();

hasobj = false;

if (repr) {

blocked = true;

// Set up repr

src.repr = Inkscape::GC::anchor(repr);

// Create table

table = new Gtk::Table (attributes.size(), 2, false);

gtk_container_add (GTK_CONTAINER (parent),(GtkWidget*)table->gobj());

// Fill rows

_attributes = attributes;

for (guint i = 0; i < (attributes.size()); i++) {

Gtk::Label *ll;

Gtk::Entry *ee;

Gtk::Widget *w;

const gchar *val;

ll = new Gtk::Label (_(labels[i].c_str()));

w = (Gtk::Widget *) ll;

ll->show ();

ll->set_alignment (1.0, 0.5);

table->attach (*w, 0, 1, i, i + 1,

Gtk::FILL,

(Gtk::EXPAND | Gtk::FILL),

XPAD, YPAD );

ee = new Gtk::Entry();

w = (Gtk::Widget *) ee;

ee->show();

val = repr->attribute(attributes[i].c_str());

ee->set_text (val ? val : (const gchar *) "");

table->attach (*w, 1, 2, i, i + 1,

(Gtk::EXPAND | Gtk::FILL),

(Gtk::EXPAND | Gtk::FILL),

XPAD, YPAD );

_entries.push_back(w);

g_signal_connect ( w->gobj(), "changed",

G_CALLBACK (sp_attribute_table_entry_changed),

this );

}

/* Show table */

table->show ();

blocked = false;

}

}

static void sp_attribute_table_object_modified ( SPObject */*object*/,

guint flags,

SPAttributeTable *spat )

{

if (flags && SP_OBJECT_MODIFIED_FLAG)

{

guint i;

std::vector<Glib::ustring> attributes = spat->get_attributes();

std::vector<Gtk::Widget *> entries = spat->get_entries();

Gtk::Entry* e;

Glib::ustring text;

for (i = 0; i < (attributes.size()); i++) {

const gchar *val;

e = (Gtk::Entry*) entries[i];

val = spat->src.object->getRepr()->attribute(attributes[i].c_str());

text = e->get_text ();

if (val || !text.empty()) {

if (text != val) {

/* We are different */

spat->blocked = true;

e->set_text (val ? val : (const gchar *) "");

spat->blocked = false;

}

}

}

} // end of if()

} // end of sp_attribute_table_object_modified()

static void sp_attribute_table_entry_changed ( Gtk::Editable *editable,

SPAttributeTable *spat )

{

if (!spat->blocked)

{

guint i;

std::vector<Glib::ustring> attributes = spat->get_attributes();

std::vector<Gtk::Widget *> entries = spat->get_entries();

Gtk::Entry *e;

for (i = 0; i < (attributes.size()); i++) {

e = (Gtk::Entry *) entries[i];

if ((GtkWidget*) (editable) == (GtkWidget*) e->gobj()) {

spat->blocked = true;

Glib::ustring text = e->get_text ();

if (spat->hasobj && spat->src.object) {

spat->src.object->getRepr()->setAttribute(attributes[i].c_str(), text.c_str(), false);

DocumentUndo::done(spat->src.object->document, SP_VERB_NONE,

_("Set attribute"));

} else if (spat->src.repr) {

spat->src.repr->setAttribute(attributes[i].c_str(), text.c_str(), false);

/* TODO: Warning! Undo will not be flushed in given case */

}

spat->blocked = false;

return;

}

}

g_warning ("file %s: line %d: Entry signalled change, but there is no such entry", __FILE__, __LINE__);

} // end of if()

} // end of sp_attribute_table_entry_changed()